./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.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-more-buffer-series.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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --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 23:13:49,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 23:13:49,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 23:13:49,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 23:13:49,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 23:13:49,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 23:13:49,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 23:13:49,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 23:13:49,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 23:13:49,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 23:13:49,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 23:13:49,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 23:13:49,544 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 23:13:49,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 23:13:49,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 23:13:49,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 23:13:49,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 23:13:49,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 23:13:49,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 23:13:49,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 23:13:49,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 23:13:49,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 23:13:49,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 23:13:49,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 23:13:49,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 23:13:49,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 23:13:49,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 23:13:49,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 23:13:49,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 23:13:49,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 23:13:49,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 23:13:49,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 23:13:49,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 23:13:49,556 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 23:13:49,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 23:13:49,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 23:13:49,561 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 23:13:49,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 23:13:49,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 23:13:49,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 23:13:49,562 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 23:13:49,562 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 -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c 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 23:13:49,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 23:13:49,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 23:13:49,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 23:13:49,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 23:13:49,843 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 23:13:49,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-10-17 23:13:51,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 23:13:51,596 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 23:13:51,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-10-17 23:13:51,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ef318bdd/fa976ef666ff4ae7b7291008ff82dd61/FLAG5bc629641 [2024-10-17 23:13:51,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ef318bdd/fa976ef666ff4ae7b7291008ff82dd61 [2024-10-17 23:13:51,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 23:13:51,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 23:13:51,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 23:13:51,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 23:13:51,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 23:13:51,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:51,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759925f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51, skipping insertion in model container [2024-10-17 23:13:51,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:51,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 23:13:51,874 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2024-10-17 23:13:51,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 23:13:51,902 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 23:13:51,931 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2024-10-17 23:13:51,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 23:13:51,950 INFO L204 MainTranslator]: Completed translation [2024-10-17 23:13:51,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51 WrapperNode [2024-10-17 23:13:51,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 23:13:51,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 23:13:51,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 23:13:51,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 23:13:51,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:51,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:51,993 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 340 [2024-10-17 23:13:51,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 23:13:51,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 23:13:51,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 23:13:51,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 23:13:52,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 23:13:52,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 23:13:52,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 23:13:52,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 23:13:52,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (1/1) ... [2024-10-17 23:13:52,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 23:13:52,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:13:52,079 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 23:13:52,081 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 23:13:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 23:13:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 23:13:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 23:13:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 23:13:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 23:13:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 23:13:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 23:13:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 23:13:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 23:13:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-17 23:13:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-17 23:13:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 23:13:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 23:13:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 23:13:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 23:13:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 23:13:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 23:13:52,128 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 23:13:52,236 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 23:13:52,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 23:13:52,742 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 23:13:52,742 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 23:13:53,109 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 23:13:53,109 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-17 23:13:53,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:13:53 BoogieIcfgContainer [2024-10-17 23:13:53,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 23:13:53,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 23:13:53,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 23:13:53,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 23:13:53,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:13:51" (1/3) ... [2024-10-17 23:13:53,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e03642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:13:53, skipping insertion in model container [2024-10-17 23:13:53,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:13:51" (2/3) ... [2024-10-17 23:13:53,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e03642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:13:53, skipping insertion in model container [2024-10-17 23:13:53,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:13:53" (3/3) ... [2024-10-17 23:13:53,118 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-10-17 23:13:53,135 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 23:13:53,135 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 23:13:53,135 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 23:13:53,196 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 23:13:53,242 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 23:13:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 23:13:53,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:13:53,246 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 23:13:53,248 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 23:13:53,356 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 23:13:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:13:53,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 23:13:53,385 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;@5dd4959a, 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 23:13:53,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-17 23:13:55,883 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 2 more)] === [2024-10-17 23:13:56,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:13:56,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-10-17 23:13:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1420801966, now seen corresponding path program 1 times [2024-10-17 23:13:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:13:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:13:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:13:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 23:13:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:13:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:13:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:13:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 23:13:57,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 23:13:57,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 23:13:57,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 23:13:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:13:57,227 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:13:57,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 23:13:57,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:13:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:13:57,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-17 23:13:57,386 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 2 more)] === [2024-10-17 23:13:57,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:13:57,771 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 96 treesize of output 51 [2024-10-17 23:13:59,132 INFO L85 PathProgramCache]: Analyzing trace with hash 361563005, now seen corresponding path program 1 times [2024-10-17 23:13:59,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:13:59,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:13:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:13:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 23:13:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:13:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:13:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 23:14:00,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 23:14:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 23:14:00,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-17 23:14:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:00,089 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:00,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:14:00,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:00,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:00,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-17 23:14:00,212 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 2 more)] === [2024-10-17 23:14:00,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:14:00,527 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 96 treesize of output 51 [2024-10-17 23:14:02,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1182281797, now seen corresponding path program 1 times [2024-10-17 23:14:02,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:02,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:14:03,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:03,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:14:03,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:03,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1363875847, now seen corresponding path program 1 times [2024-10-17 23:14:03,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:03,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505206605] [2024-10-17 23:14:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-17 23:14:04,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:04,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505206605] [2024-10-17 23:14:04,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505206605] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:04,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644231926] [2024-10-17 23:14:04,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:04,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:04,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:04,229 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 23:14:04,231 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 23:14:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:04,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 23:14:04,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-17 23:14:04,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-17 23:14:04,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644231926] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:04,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:04,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-17 23:14:04,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435502680] [2024-10-17 23:14:04,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:04,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-17 23:14:04,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-17 23:14:04,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-17 23:14:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:04,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:04,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 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 23:14:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:04,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:04,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:04,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:04,957 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 23:14:05,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-17 23:14:05,139 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 2 more)] === [2024-10-17 23:14:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1880881066, now seen corresponding path program 1 times [2024-10-17 23:14:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:05,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 23:14:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 23:14:05,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:05,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1496274402, now seen corresponding path program 2 times [2024-10-17 23:14:05,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:05,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003236808] [2024-10-17 23:14:05,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:05,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-17 23:14:06,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:06,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003236808] [2024-10-17 23:14:06,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003236808] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:06,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670336646] [2024-10-17 23:14:06,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:14:06,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:06,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:06,389 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 23:14:06,390 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 23:14:06,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:14:06,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:06,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-17 23:14:06,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-17 23:14:06,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-17 23:14:07,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670336646] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:07,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:07,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-10-17 23:14:07,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015353997] [2024-10-17 23:14:07,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:07,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-17 23:14:07,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:07,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-17 23:14:07,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-10-17 23:14:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:07,175 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:07,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 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 23:14:07,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:07,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:07,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:07,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:08,072 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 23:14:08,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-17 23:14:08,259 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 2 more)] === [2024-10-17 23:14:08,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:14:08,707 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 96 treesize of output 51 [2024-10-17 23:14:14,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1368103326, now seen corresponding path program 1 times [2024-10-17 23:14:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 23:14:14,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:14,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 23:14:15,426 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-10-17 23:14:15,426 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 20 treesize of output 4 [2024-10-17 23:14:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2069984025, now seen corresponding path program 1 times [2024-10-17 23:14:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-17 23:14:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:15,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-17 23:14:16,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1786620969, now seen corresponding path program 3 times [2024-10-17 23:14:16,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:16,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180668476] [2024-10-17 23:14:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 185 proven. 37 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-10-17 23:14:16,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:16,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180668476] [2024-10-17 23:14:16,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180668476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:16,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269041454] [2024-10-17 23:14:16,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:14:16,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:16,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:16,951 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 23:14:16,952 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 23:14:17,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-17 23:14:17,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:17,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 23:14:17,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-10-17 23:14:17,377 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 23:14:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269041454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:14:17,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 23:14:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-10-17 23:14:17,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101870215] [2024-10-17 23:14:17,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:14:17,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 23:14:17,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:17,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 23:14:17,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-17 23:14:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:17,379 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:17,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:14:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:17,766 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 23:14:17,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:17,948 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 2 more)] === [2024-10-17 23:14:18,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:18,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1342693702, now seen corresponding path program 1 times [2024-10-17 23:14:18,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:18,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875608929] [2024-10-17 23:14:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 185 proven. 37 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-10-17 23:14:18,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875608929] [2024-10-17 23:14:18,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875608929] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:18,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903560708] [2024-10-17 23:14:18,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:18,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:18,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:18,817 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 23:14:18,821 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 23:14:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:19,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-17 23:14:19,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-10-17 23:14:19,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 23:14:19,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903560708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:14:19,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 23:14:19,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-10-17 23:14:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354002420] [2024-10-17 23:14:19,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:14:19,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 23:14:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:19,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 23:14:19,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-17 23:14:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:19,107 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:19,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:14:19,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:19,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:19,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:19,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-17 23:14:19,533 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,SelfDestructingSolverStorable15 [2024-10-17 23:14:19,533 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 2 more)] === [2024-10-17 23:14:19,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:19,534 INFO L85 PathProgramCache]: Analyzing trace with hash -251163828, now seen corresponding path program 2 times [2024-10-17 23:14:19,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:19,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453635828] [2024-10-17 23:14:19,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:19,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 23:14:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453635828] [2024-10-17 23:14:19,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453635828] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:19,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508482078] [2024-10-17 23:14:19,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:14:19,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:19,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:19,748 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 23:14:19,750 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 23:14:19,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:14:19,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:19,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-17 23:14:19,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 23:14:20,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 23:14:20,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508482078] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:20,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:20,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 21 [2024-10-17 23:14:20,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784655117] [2024-10-17 23:14:20,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:20,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-17 23:14:20,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:20,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-17 23:14:20,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2024-10-17 23:14:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:20,420 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:20,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.136363636363637) internal successors, (157), 21 states have internal predecessors, (157), 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 23:14:20,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:20,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:20,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:20,716 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 23:14:20,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-17 23:14:20,900 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 2 more)] === [2024-10-17 23:14:20,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:20,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1586357585, now seen corresponding path program 3 times [2024-10-17 23:14:20,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:20,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133084193] [2024-10-17 23:14:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:20,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-17 23:14:21,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:21,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133084193] [2024-10-17 23:14:21,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133084193] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:21,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522196822] [2024-10-17 23:14:21,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:14:21,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:21,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:21,325 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 23:14:21,326 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 23:14:21,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-17 23:14:21,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:21,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-17 23:14:21,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:21,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 23:14:21,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-17 23:14:21,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522196822] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:21,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:21,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 5] total 19 [2024-10-17 23:14:21,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761070002] [2024-10-17 23:14:21,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:21,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-17 23:14:21,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:21,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-17 23:14:21,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-10-17 23:14:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:21,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:21,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 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 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:21,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:22,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-17 23:14:23,085 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,SelfDestructingSolverStorable17 [2024-10-17 23:14:23,085 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 2 more)] === [2024-10-17 23:14:23,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:23,109 INFO L85 PathProgramCache]: Analyzing trace with hash 131771336, now seen corresponding path program 4 times [2024-10-17 23:14:23,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:23,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462683073] [2024-10-17 23:14:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:23,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:14:23,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462683073] [2024-10-17 23:14:23,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462683073] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:23,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452437162] [2024-10-17 23:14:23,376 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:14:23,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:23,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:23,378 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 23:14:23,379 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 23:14:23,529 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:14:23,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:23,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-17 23:14:23,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:14:23,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:14:24,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452437162] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:24,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:24,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-10-17 23:14:24,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464994679] [2024-10-17 23:14:24,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:24,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-17 23:14:24,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:24,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-17 23:14:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-10-17 23:14:24,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:24,018 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:24,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.708333333333333) internal successors, (137), 23 states have internal predecessors, (137), 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 23:14:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:24,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:24,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:24,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:24,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:24,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 23:14:24,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:24,430 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 2 more)] === [2024-10-17 23:14:24,514 INFO L85 PathProgramCache]: Analyzing trace with hash 575371592, now seen corresponding path program 1 times [2024-10-17 23:14:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 23:14:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:24,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 23:14:25,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:25,023 INFO L85 PathProgramCache]: Analyzing trace with hash 138987363, now seen corresponding path program 5 times [2024-10-17 23:14:25,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:25,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163043602] [2024-10-17 23:14:25,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:25,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-17 23:14:25,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:25,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163043602] [2024-10-17 23:14:25,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163043602] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:25,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252906196] [2024-10-17 23:14:25,353 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:14:25,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:25,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:25,355 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 23:14:25,356 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 23:14:25,493 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-10-17 23:14:25,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:25,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 23:14:25,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-17 23:14:25,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-17 23:14:25,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252906196] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:25,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:25,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 6] total 17 [2024-10-17 23:14:25,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290677976] [2024-10-17 23:14:25,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:25,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-17 23:14:25,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:25,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-17 23:14:25,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-17 23:14:25,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:25,808 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:25,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 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 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:25,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:29,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 23:14:29,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:29,873 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 2 more)] === [2024-10-17 23:14:30,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:30,729 INFO L85 PathProgramCache]: Analyzing trace with hash -954052517, now seen corresponding path program 6 times [2024-10-17 23:14:30,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:30,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581385379] [2024-10-17 23:14:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 660 proven. 373 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-10-17 23:14:31,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:31,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581385379] [2024-10-17 23:14:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581385379] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836660952] [2024-10-17 23:14:31,694 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 23:14:31,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:31,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:31,696 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 23:14:31,697 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 23:14:31,936 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-10-17 23:14:31,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:31,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 23:14:31,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 311 proven. 3 refuted. 0 times theorem prover too weak. 1370 trivial. 0 not checked. [2024-10-17 23:14:32,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 123 proven. 191 refuted. 0 times theorem prover too weak. 1370 trivial. 0 not checked. [2024-10-17 23:14:32,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836660952] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:32,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:32,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-10-17 23:14:32,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396577552] [2024-10-17 23:14:32,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:32,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-17 23:14:32,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:32,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-17 23:14:32,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-10-17 23:14:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:32,588 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:32,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 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 23:14:32,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:32,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:32,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:32,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:32,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:32,930 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 23:14:33,112 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,SelfDestructingSolverStorable22 [2024-10-17 23:14:33,112 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 2 more)] === [2024-10-17 23:14:33,556 INFO L349 Elim1Store]: treesize reduction 23, result has 51.1 percent of original size [2024-10-17 23:14:33,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 46 [2024-10-17 23:14:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1324639483, now seen corresponding path program 1 times [2024-10-17 23:14:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 5 proven. 163 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-17 23:14:34,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:34,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 5 proven. 163 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-17 23:14:35,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:14:35,193 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 96 treesize of output 51 [2024-10-17 23:14:36,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1885841819, now seen corresponding path program 1 times [2024-10-17 23:14:36,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:36,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-10-17 23:14:36,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:36,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-10-17 23:14:37,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:14:37,544 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 96 treesize of output 51 [2024-10-17 23:14:42,829 INFO L85 PathProgramCache]: Analyzing trace with hash 783868109, now seen corresponding path program 1 times [2024-10-17 23:14:42,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:42,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:43,683 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 10 proven. 163 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-10-17 23:14:43,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:43,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 10 proven. 163 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-10-17 23:14:44,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:44,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1638358456, now seen corresponding path program 7 times [2024-10-17 23:14:44,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:44,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763353222] [2024-10-17 23:14:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:44,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 664 proven. 509 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-10-17 23:14:45,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:45,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763353222] [2024-10-17 23:14:45,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763353222] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:45,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38353670] [2024-10-17 23:14:45,197 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 23:14:45,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:45,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:45,198 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 23:14:45,199 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 23:14:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:45,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-17 23:14:45,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 643 proven. 6 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-10-17 23:14:45,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 597 proven. 52 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-10-17 23:14:45,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38353670] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:45,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:45,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2024-10-17 23:14:45,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985920755] [2024-10-17 23:14:45,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:46,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 23:14:46,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:46,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 23:14:46,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-10-17 23:14:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:46,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:46,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.592592592592593) internal successors, (232), 27 states have internal predecessors, (232), 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 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:14:46,407 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 23:14:46,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-17 23:14:46,595 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 2 more)] === [2024-10-17 23:14:47,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:47,371 INFO L85 PathProgramCache]: Analyzing trace with hash 468391190, now seen corresponding path program 8 times [2024-10-17 23:14:47,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:47,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176741438] [2024-10-17 23:14:47,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:47,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 773 proven. 496 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-17 23:14:48,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:48,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176741438] [2024-10-17 23:14:48,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176741438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:48,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833130731] [2024-10-17 23:14:48,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:14:48,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:48,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:48,364 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 23:14:48,365 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 23:14:48,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:14:48,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:48,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-17 23:14:48,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 778 proven. 10 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2024-10-17 23:14:48,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 718 proven. 70 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2024-10-17 23:14:49,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833130731] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:49,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:49,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2024-10-17 23:14:49,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066701896] [2024-10-17 23:14:49,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:49,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-17 23:14:49,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:49,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-17 23:14:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2024-10-17 23:14:49,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:49,231 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:49,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.935483870967742) internal successors, (246), 31 states have internal predecessors, (246), 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 23:14:49,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:49,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:49,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:49,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:14:49,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:49,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:49,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:14:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:14:49,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-17 23:14:49,754 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,SelfDestructingSolverStorable30 [2024-10-17 23:14:49,754 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 2 more)] === [2024-10-17 23:14:50,215 INFO L349 Elim1Store]: treesize reduction 23, result has 51.1 percent of original size [2024-10-17 23:14:50,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 46 [2024-10-17 23:14:50,288 INFO L85 PathProgramCache]: Analyzing trace with hash -2038627311, now seen corresponding path program 1 times [2024-10-17 23:14:50,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 36 proven. 169 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-17 23:14:50,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:50,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 36 proven. 169 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-17 23:14:51,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1308846937, now seen corresponding path program 1 times [2024-10-17 23:14:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 7 proven. 168 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-17 23:14:52,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:52,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 7 proven. 168 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-17 23:14:53,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1510526883, now seen corresponding path program 9 times [2024-10-17 23:14:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372438079] [2024-10-17 23:14:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 747 proven. 591 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-10-17 23:14:54,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:54,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372438079] [2024-10-17 23:14:54,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372438079] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:54,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316446359] [2024-10-17 23:14:54,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:14:54,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:54,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:54,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:14:54,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-17 23:14:54,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-17 23:14:54,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:54,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-17 23:14:54,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 613 proven. 15 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-10-17 23:14:55,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:14:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 150 proven. 478 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-10-17 23:14:55,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316446359] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:14:55,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:14:55,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2024-10-17 23:14:55,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072837451] [2024-10-17 23:14:55,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:14:55,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-17 23:14:55,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:14:55,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-17 23:14:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2024-10-17 23:14:55,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:55,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:14:55,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.918918918918919) internal successors, (219), 37 states have internal predecessors, (219), 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 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:55,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:55,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:55,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:55,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:14:55,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:14:55,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:14:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:14:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:14:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:14:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:14:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:14:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:14:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:14:55,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-17 23:14:56,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2024-10-17 23:14:56,156 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:14:56,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:14:56,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-10-17 23:14:56,884 INFO L85 PathProgramCache]: Analyzing trace with hash -85589592, now seen corresponding path program 1 times [2024-10-17 23:14:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:56,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 7 proven. 168 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-10-17 23:14:57,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:57,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 7 proven. 168 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-10-17 23:14:58,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:14:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1567522294, now seen corresponding path program 10 times [2024-10-17 23:14:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:14:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500128532] [2024-10-17 23:14:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:14:58,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:14:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:14:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 937 proven. 481 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-10-17 23:14:59,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:14:59,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500128532] [2024-10-17 23:14:59,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500128532] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:14:59,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515278738] [2024-10-17 23:14:59,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:14:59,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:14:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:14:59,057 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:14:59,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-17 23:14:59,337 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:14:59,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:14:59,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-17 23:14:59,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:14:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 826 proven. 53 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2024-10-17 23:14:59,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:15:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 825 proven. 54 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2024-10-17 23:15:00,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515278738] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:15:00,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:15:00,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 43 [2024-10-17 23:15:00,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820195722] [2024-10-17 23:15:00,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:15:00,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-17 23:15:00,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:15:00,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-17 23:15:00,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=1503, Unknown=0, NotChecked=0, Total=1806 [2024-10-17 23:15:00,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:00,622 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:15:00,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.813953488372093) internal successors, (336), 43 states have internal predecessors, (336), 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 23:15:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:00,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:00,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:00,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:01,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-17 23:15:01,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2024-10-17 23:15:01,650 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:15:01,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:15:01,956 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 96 treesize of output 51 [2024-10-17 23:15:09,467 INFO L85 PathProgramCache]: Analyzing trace with hash -806029538, now seen corresponding path program 1 times [2024-10-17 23:15:09,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:09,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 72 proven. 80 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-17 23:15:10,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 72 proven. 80 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-17 23:15:11,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1294642075, now seen corresponding path program 1 times [2024-10-17 23:15:11,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:11,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 7 proven. 260 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-10-17 23:15:11,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:11,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 7 proven. 260 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-10-17 23:15:13,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:15:13,125 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 96 treesize of output 51 [2024-10-17 23:15:24,909 INFO L85 PathProgramCache]: Analyzing trace with hash -695828614, now seen corresponding path program 1 times [2024-10-17 23:15:24,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:24,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 76 proven. 260 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-10-17 23:15:25,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:25,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 76 proven. 260 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-10-17 23:15:26,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:15:26,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1890584808, now seen corresponding path program 11 times [2024-10-17 23:15:26,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:15:26,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221123021] [2024-10-17 23:15:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:26,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 937 proven. 488 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-10-17 23:15:27,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:15:27,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221123021] [2024-10-17 23:15:27,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221123021] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:15:27,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376801769] [2024-10-17 23:15:27,779 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:15:27,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:15:27,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:15:27,780 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:15:27,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-17 23:15:32,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-10-17 23:15:32,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:15:32,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-17 23:15:32,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:15:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 454 proven. 855 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-10-17 23:15:33,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:15:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 105 proven. 1550 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-17 23:15:34,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376801769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:15:34,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:15:34,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 32] total 54 [2024-10-17 23:15:34,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434555039] [2024-10-17 23:15:34,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:15:34,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-17 23:15:34,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:15:34,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-17 23:15:34,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2252, Unknown=0, NotChecked=0, Total=2862 [2024-10-17 23:15:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:34,531 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:15:34,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 8.648148148148149) internal successors, (467), 54 states have internal predecessors, (467), 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 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:34,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:34,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:36,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-17 23:15:36,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-17 23:15:36,275 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:15:36,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1765473117, now seen corresponding path program 1 times [2024-10-17 23:15:36,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:36,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 37 proven. 226 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-10-17 23:15:36,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:36,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 41 proven. 222 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-10-17 23:15:37,854 INFO L349 Elim1Store]: treesize reduction 43, result has 8.5 percent of original size [2024-10-17 23:15:37,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 20 [2024-10-17 23:15:40,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1367782708, now seen corresponding path program 1 times [2024-10-17 23:15:40,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 46 proven. 226 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-17 23:15:40,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 50 proven. 222 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-17 23:15:41,228 INFO L85 PathProgramCache]: Analyzing trace with hash 178819433, now seen corresponding path program 1 times [2024-10-17 23:15:41,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:41,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 25 proven. 171 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-10-17 23:15:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 25 proven. 171 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-10-17 23:15:42,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:15:42,218 INFO L85 PathProgramCache]: Analyzing trace with hash 706760421, now seen corresponding path program 12 times [2024-10-17 23:15:42,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:15:42,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121814526] [2024-10-17 23:15:42,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 102 proven. 428 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-10-17 23:15:42,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:15:42,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121814526] [2024-10-17 23:15:42,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121814526] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:15:42,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750938744] [2024-10-17 23:15:42,898 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 23:15:42,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:15:42,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:15:42,899 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:15:42,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-17 23:15:43,456 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-17 23:15:43,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:15:43,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-17 23:15:43,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:15:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 274 proven. 18 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-10-17 23:15:43,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:15:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 275 proven. 31 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-10-17 23:15:44,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750938744] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:15:44,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:15:44,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 11] total 36 [2024-10-17 23:15:44,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153391220] [2024-10-17 23:15:44,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:15:44,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-17 23:15:44,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:15:44,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-17 23:15:44,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-10-17 23:15:44,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:44,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:15:44,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.837837837837838) internal successors, (216), 36 states have internal predecessors, (216), 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 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:15:45,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-17 23:15:45,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-10-17 23:15:45,337 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:15:45,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1833992332, now seen corresponding path program 1 times [2024-10-17 23:15:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:45,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 106 proven. 243 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-10-17 23:15:46,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:46,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 106 proven. 243 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-10-17 23:15:46,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:15:46,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1746888593, now seen corresponding path program 13 times [2024-10-17 23:15:46,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:15:46,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594773964] [2024-10-17 23:15:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 102 proven. 435 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-10-17 23:15:47,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:15:47,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594773964] [2024-10-17 23:15:47,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594773964] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:15:47,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735660572] [2024-10-17 23:15:47,559 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 23:15:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:15:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:15:47,561 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:15:47,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-17 23:15:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:47,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-17 23:15:47,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:15:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 719 proven. 28 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-10-17 23:15:48,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:15:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 632 proven. 115 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-10-17 23:15:49,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735660572] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:15:49,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:15:49,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 48 [2024-10-17 23:15:49,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330206082] [2024-10-17 23:15:49,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:15:49,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-10-17 23:15:49,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:15:49,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-17 23:15:49,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=1878, Unknown=0, NotChecked=0, Total=2352 [2024-10-17 23:15:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:49,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:15:49,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.326530612244898) internal successors, (310), 48 states have internal predecessors, (310), 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 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:15:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:15:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:49,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-17 23:15:49,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-17 23:15:49,729 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:15:49,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:15:49,969 INFO L85 PathProgramCache]: Analyzing trace with hash 779093206, now seen corresponding path program 14 times [2024-10-17 23:15:49,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:15:49,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061624397] [2024-10-17 23:15:49,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:49,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:15:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 102 proven. 443 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-10-17 23:15:50,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:15:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061624397] [2024-10-17 23:15:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061624397] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:15:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705844424] [2024-10-17 23:15:50,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:15:50,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:15:50,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:15:50,734 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:15:50,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-17 23:15:51,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:15:51,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:15:51,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-17 23:15:51,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:15:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 771 proven. 36 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-10-17 23:15:51,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:15:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 675 proven. 132 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-10-17 23:15:52,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705844424] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:15:52,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:15:52,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 53 [2024-10-17 23:15:52,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187067233] [2024-10-17 23:15:52,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:15:52,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-17 23:15:52,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:15:52,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-17 23:15:52,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=2282, Unknown=0, NotChecked=0, Total=2862 [2024-10-17 23:15:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:52,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:15:52,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.148148148148148) internal successors, (332), 53 states have internal predecessors, (332), 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 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:52,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:52,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:15:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:15:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:15:52,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:15:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:15:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:15:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:15:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:15:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:15:52,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-17 23:15:53,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-10-17 23:15:53,106 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:15:53,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:15:53,436 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 96 treesize of output 51 [2024-10-17 23:15:59,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1135557101, now seen corresponding path program 1 times [2024-10-17 23:15:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:15:59,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:15:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 65 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-17 23:16:00,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 65 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-17 23:16:01,065 INFO L349 Elim1Store]: treesize reduction 43, result has 8.5 percent of original size [2024-10-17 23:16:01,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 20 [2024-10-17 23:16:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1919834454, now seen corresponding path program 1 times [2024-10-17 23:16:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:01,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 183 proven. 231 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-17 23:16:02,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:02,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 183 proven. 231 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-17 23:16:02,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1874616287, now seen corresponding path program 1 times [2024-10-17 23:16:02,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 180 proven. 232 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-17 23:16:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 180 proven. 232 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-17 23:16:03,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:16:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash 842207281, now seen corresponding path program 15 times [2024-10-17 23:16:03,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:16:03,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157595837] [2024-10-17 23:16:03,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 581 proven. 391 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-17 23:16:05,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:16:05,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157595837] [2024-10-17 23:16:05,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157595837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:16:05,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933195769] [2024-10-17 23:16:05,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:16:05,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:16:05,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:16:05,116 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:16:05,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-17 23:16:05,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-17 23:16:05,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:16:05,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 23:16:05,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:16:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2024-10-17 23:16:05,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 23:16:05,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933195769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:16:05,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 23:16:05,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [28] total 32 [2024-10-17 23:16:05,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212526359] [2024-10-17 23:16:05,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:16:05,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 23:16:05,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:16:05,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 23:16:05,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2024-10-17 23:16:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:05,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:16:05,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 23:16:05,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:05,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:05,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:05,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:05,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:05,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:05,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:06,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:06,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:06,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:06,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-17 23:16:06,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:16:06,726 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:16:06,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1210283042, now seen corresponding path program 1 times [2024-10-17 23:16:06,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:06,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 174 proven. 231 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-17 23:16:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:07,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 174 proven. 231 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-17 23:16:08,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:16:08,206 INFO L85 PathProgramCache]: Analyzing trace with hash -189506432, now seen corresponding path program 16 times [2024-10-17 23:16:08,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:16:08,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069643737] [2024-10-17 23:16:08,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:08,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 302 proven. 351 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-17 23:16:09,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:16:09,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069643737] [2024-10-17 23:16:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069643737] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:16:09,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507946089] [2024-10-17 23:16:09,056 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:16:09,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:16:09,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:16:09,058 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:16:09,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-17 23:16:09,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:16:09,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:16:09,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-17 23:16:09,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:16:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 625 proven. 45 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-17 23:16:10,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:16:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 546 proven. 124 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-17 23:16:10,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507946089] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:16:10,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:16:10,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 59 [2024-10-17 23:16:10,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690972891] [2024-10-17 23:16:10,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:16:10,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-10-17 23:16:10,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:16:10,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-10-17 23:16:10,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=2867, Unknown=0, NotChecked=0, Total=3540 [2024-10-17 23:16:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:10,938 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:16:10,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.5) internal successors, (390), 59 states have internal predecessors, (390), 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 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:10,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:10,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:10,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:10,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:10,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:10,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:16:11,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-17 23:16:11,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66 [2024-10-17 23:16:11,589 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:16:11,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:16:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1903349499, now seen corresponding path program 17 times [2024-10-17 23:16:11,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:16:11,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360490447] [2024-10-17 23:16:11,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 390 proven. 297 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-17 23:16:12,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:16:12,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360490447] [2024-10-17 23:16:12,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360490447] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:16:12,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321327516] [2024-10-17 23:16:12,636 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:16:12,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:16:12,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:16:12,638 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:16:12,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-17 23:16:12,918 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-10-17 23:16:12,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:16:12,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-17 23:16:12,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:16:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 504 proven. 90 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-10-17 23:16:13,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:16:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 414 proven. 96 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-10-17 23:16:13,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321327516] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:16:13,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:16:13,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 8] total 45 [2024-10-17 23:16:13,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307901477] [2024-10-17 23:16:13,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:16:13,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-17 23:16:13,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:16:13,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-17 23:16:13,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=1675, Unknown=0, NotChecked=0, Total=1980 [2024-10-17 23:16:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:13,687 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:16:13,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.488888888888889) internal successors, (337), 45 states have internal predecessors, (337), 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 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:16:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:16:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:16:20,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-17 23:16:20,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:16:20,739 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:16:21,433 INFO L349 Elim1Store]: treesize reduction 43, result has 8.5 percent of original size [2024-10-17 23:16:21,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 20 [2024-10-17 23:16:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1892184705, now seen corresponding path program 1 times [2024-10-17 23:16:21,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:21,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 210 proven. 607 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-10-17 23:16:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:23,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 210 proven. 607 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-10-17 23:16:24,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:16:24,725 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 96 treesize of output 51 [2024-10-17 23:16:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash -180025405, now seen corresponding path program 1 times [2024-10-17 23:16:25,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 94 proven. 626 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-10-17 23:16:27,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:27,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 94 proven. 626 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-10-17 23:16:29,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:16:29,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-10-17 23:16:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash 918548011, now seen corresponding path program 1 times [2024-10-17 23:16:29,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:29,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 258 proven. 2450 refuted. 0 times theorem prover too weak. 5252 trivial. 0 not checked. [2024-10-17 23:16:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 258 proven. 2450 refuted. 0 times theorem prover too weak. 5252 trivial. 0 not checked. [2024-10-17 23:16:37,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:16:37,333 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 96 treesize of output 51 [2024-10-17 23:16:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2122797813, now seen corresponding path program 1 times [2024-10-17 23:16:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7994 backedges. 258 proven. 2450 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2024-10-17 23:16:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:42,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7994 backedges. 258 proven. 2450 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2024-10-17 23:16:46,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:16:46,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1331278153, now seen corresponding path program 18 times [2024-10-17 23:16:46,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:16:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500579729] [2024-10-17 23:16:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:16:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:16:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:16:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22011 backedges. 4648 proven. 5714 refuted. 0 times theorem prover too weak. 11649 trivial. 0 not checked. [2024-10-17 23:16:50,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:16:50,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500579729] [2024-10-17 23:16:50,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500579729] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:16:50,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424639978] [2024-10-17 23:16:50,387 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 23:16:50,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:16:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:16:50,389 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:16:50,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-17 23:16:53,505 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-10-17 23:16:53,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:16:53,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-17 23:16:53,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:16:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 22011 backedges. 4802 proven. 164 refuted. 0 times theorem prover too weak. 17045 trivial. 0 not checked. [2024-10-17 23:16:54,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:16:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 22011 backedges. 1018 proven. 3948 refuted. 0 times theorem prover too weak. 17045 trivial. 0 not checked. [2024-10-17 23:16:56,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424639978] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:16:56,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:16:56,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20, 20] total 61 [2024-10-17 23:16:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351286292] [2024-10-17 23:16:56,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:16:56,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-10-17 23:16:56,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:16:56,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-10-17 23:16:56,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=484, Invalid=3176, Unknown=0, NotChecked=0, Total=3660 [2024-10-17 23:16:56,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:56,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:16:56,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 6.229508196721311) internal successors, (380), 61 states have internal predecessors, (380), 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 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:56,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:56,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:56,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:56,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:16:56,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:16:56,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:16:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:16:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:16:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:16:57,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-17 23:16:57,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-10-17 23:16:57,734 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:16:58,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:16:58,142 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 96 treesize of output 51 [2024-10-17 23:17:00,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2106715306, now seen corresponding path program 1 times [2024-10-17 23:17:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:00,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 362 proven. 608 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-10-17 23:17:02,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:02,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 362 proven. 608 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-10-17 23:17:03,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:17:03,971 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 96 treesize of output 51 [2024-10-17 23:17:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash 563225808, now seen corresponding path program 1 times [2024-10-17 23:17:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:04,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3479 backedges. 137 proven. 1392 refuted. 0 times theorem prover too weak. 1950 trivial. 0 not checked. [2024-10-17 23:17:07,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3479 backedges. 137 proven. 1392 refuted. 0 times theorem prover too weak. 1950 trivial. 0 not checked. [2024-10-17 23:17:09,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:17:09,754 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 96 treesize of output 51 [2024-10-17 23:17:17,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1878347669, now seen corresponding path program 1 times [2024-10-17 23:17:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:17,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:19,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5273 backedges. 139 proven. 1878 refuted. 0 times theorem prover too weak. 3256 trivial. 0 not checked. [2024-10-17 23:17:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:19,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5273 backedges. 139 proven. 1878 refuted. 0 times theorem prover too weak. 3256 trivial. 0 not checked. [2024-10-17 23:17:23,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:17:23,341 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 96 treesize of output 51 [2024-10-17 23:17:28,625 INFO L85 PathProgramCache]: Analyzing trace with hash 497481354, now seen corresponding path program 1 times [2024-10-17 23:17:28,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7954 backedges. 258 proven. 2483 refuted. 0 times theorem prover too weak. 5213 trivial. 0 not checked. [2024-10-17 23:17:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:32,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7954 backedges. 258 proven. 2483 refuted. 0 times theorem prover too weak. 5213 trivial. 0 not checked. [2024-10-17 23:17:36,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:17:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash 5652825, now seen corresponding path program 19 times [2024-10-17 23:17:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:17:36,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799453280] [2024-10-17 23:17:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:36,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22032 backedges. 4648 proven. 5946 refuted. 0 times theorem prover too weak. 11438 trivial. 0 not checked. [2024-10-17 23:17:40,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:17:40,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799453280] [2024-10-17 23:17:40,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799453280] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:17:40,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092060196] [2024-10-17 23:17:40,574 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 23:17:40,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:17:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:17:40,575 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:17:40,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-17 23:17:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:41,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 3257 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-17 23:17:41,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:17:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 22032 backedges. 7395 proven. 45 refuted. 0 times theorem prover too weak. 14592 trivial. 0 not checked. [2024-10-17 23:17:42,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:17:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22032 backedges. 7083 proven. 357 refuted. 0 times theorem prover too weak. 14592 trivial. 0 not checked. [2024-10-17 23:17:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092060196] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:17:43,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:17:43,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22, 22] total 67 [2024-10-17 23:17:43,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159720082] [2024-10-17 23:17:43,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:17:43,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-17 23:17:43,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:17:43,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-17 23:17:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=3795, Unknown=0, NotChecked=0, Total=4422 [2024-10-17 23:17:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:17:43,674 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:17:43,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.358208955223881) internal successors, (493), 67 states have internal predecessors, (493), 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 23:17:43,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:17:43,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:17:43,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:17:43,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:17:43,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:17:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:17:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:17:44,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-17 23:17:44,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2024-10-17 23:17:44,944 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:17:45,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:17:45,458 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 96 treesize of output 51 [2024-10-17 23:17:46,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1666841195, now seen corresponding path program 1 times [2024-10-17 23:17:46,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:46,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 387 proven. 628 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-10-17 23:17:47,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:17:47,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:17:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:17:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 387 proven. 628 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-10-17 23:17:49,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:17:49,670 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 96 treesize of output 51 [2024-10-17 23:18:04,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1679639317, now seen corresponding path program 1 times [2024-10-17 23:18:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:04,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 156 proven. 1040 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2024-10-17 23:18:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 156 proven. 1040 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2024-10-17 23:18:08,979 INFO L85 PathProgramCache]: Analyzing trace with hash -631025857, now seen corresponding path program 1 times [2024-10-17 23:18:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:08,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 7977 backedges. 258 proven. 2676 refuted. 0 times theorem prover too weak. 5043 trivial. 0 not checked. [2024-10-17 23:18:12,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:12,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7977 backedges. 258 proven. 2676 refuted. 0 times theorem prover too weak. 5043 trivial. 0 not checked. [2024-10-17 23:18:17,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:18:17,223 INFO L85 PathProgramCache]: Analyzing trace with hash 840181815, now seen corresponding path program 20 times [2024-10-17 23:18:17,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:18:17,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235695450] [2024-10-17 23:18:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22055 backedges. 4653 proven. 6364 refuted. 0 times theorem prover too weak. 11038 trivial. 0 not checked. [2024-10-17 23:18:21,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:18:21,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235695450] [2024-10-17 23:18:21,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235695450] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:18:21,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557918123] [2024-10-17 23:18:21,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:18:21,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:18:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:18:21,833 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:18:21,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-17 23:18:22,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:18:22,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:18:22,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 3275 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-17 23:18:22,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:18:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22055 backedges. 8248 proven. 91 refuted. 0 times theorem prover too weak. 13716 trivial. 0 not checked. [2024-10-17 23:18:24,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:18:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22055 backedges. 8110 proven. 229 refuted. 0 times theorem prover too weak. 13716 trivial. 0 not checked. [2024-10-17 23:18:25,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557918123] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:18:25,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:18:25,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 83 [2024-10-17 23:18:25,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106724696] [2024-10-17 23:18:25,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:18:25,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-10-17 23:18:25,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:18:25,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-10-17 23:18:25,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1420, Invalid=5552, Unknown=0, NotChecked=0, Total=6972 [2024-10-17 23:18:25,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:18:25,465 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:18:25,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.773809523809524) internal successors, (569), 83 states have internal predecessors, (569), 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 23:18:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:18:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:18:25,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:18:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:18:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:18:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:18:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:18:25,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:18:25,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:18:25,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:18:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:18:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:18:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:18:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:18:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:18:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-17 23:18:26,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-17 23:18:26,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:18:26,823 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:18:27,164 INFO L349 Elim1Store]: treesize reduction 43, result has 8.5 percent of original size [2024-10-17 23:18:27,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 20 [2024-10-17 23:18:29,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1954768973, now seen corresponding path program 1 times [2024-10-17 23:18:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 694 proven. 447 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-17 23:18:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:30,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 694 proven. 447 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-17 23:18:32,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:18:32,468 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 96 treesize of output 51 [2024-10-17 23:18:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash -89596957, now seen corresponding path program 1 times [2024-10-17 23:18:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:35,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 184 proven. 747 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-10-17 23:18:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:36,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 184 proven. 747 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-10-17 23:18:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash 58033483, now seen corresponding path program 1 times [2024-10-17 23:18:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5314 backedges. 151 proven. 2088 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2024-10-17 23:18:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:41,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5314 backedges. 151 proven. 2088 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2024-10-17 23:18:45,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:18:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash 232964796, now seen corresponding path program 21 times [2024-10-17 23:18:45,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:18:45,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809411700] [2024-10-17 23:18:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:18:45,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:18:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:18:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 22069 backedges. 4666 proven. 6833 refuted. 0 times theorem prover too weak. 10570 trivial. 0 not checked. [2024-10-17 23:18:50,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:18:50,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809411700] [2024-10-17 23:18:50,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809411700] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:18:50,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689941148] [2024-10-17 23:18:50,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:18:50,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:18:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:18:50,204 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:18:50,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-17 23:18:52,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-17 23:18:52,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:18:52,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-17 23:18:52,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:18:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 22069 backedges. 6229 proven. 257 refuted. 0 times theorem prover too weak. 15583 trivial. 0 not checked. [2024-10-17 23:18:54,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:18:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 22069 backedges. 1075 proven. 5411 refuted. 0 times theorem prover too weak. 15583 trivial. 0 not checked. [2024-10-17 23:18:55,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689941148] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:18:55,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:18:55,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 24, 24] total 75 [2024-10-17 23:18:55,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985753928] [2024-10-17 23:18:55,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:18:55,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-10-17 23:18:55,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:18:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-10-17 23:18:55,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=4868, Unknown=0, NotChecked=0, Total=5550 [2024-10-17 23:18:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:18:55,946 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:18:55,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.053333333333334) internal successors, (454), 75 states have internal predecessors, (454), 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 23:18:55,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:55,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:18:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-17 23:18:55,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:18:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:18:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-17 23:18:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 23:18:57,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-17 23:18:57,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99 [2024-10-17 23:18:57,433 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:18:58,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:18:58,033 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 96 treesize of output 51 [2024-10-17 23:19:03,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1689966922, now seen corresponding path program 1 times [2024-10-17 23:19:03,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:03,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 539 proven. 586 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-17 23:19:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 539 proven. 586 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-17 23:19:06,413 INFO L349 Elim1Store]: treesize reduction 43, result has 8.5 percent of original size [2024-10-17 23:19:06,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 20 [2024-10-17 23:19:08,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1898742455, now seen corresponding path program 1 times [2024-10-17 23:19:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 601 proven. 594 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-17 23:19:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:10,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 601 proven. 594 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-17 23:19:12,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:19:12,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-10-17 23:19:12,704 INFO L85 PathProgramCache]: Analyzing trace with hash -906553870, now seen corresponding path program 1 times [2024-10-17 23:19:12,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:12,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 8044 backedges. 266 proven. 2948 refuted. 0 times theorem prover too weak. 4830 trivial. 0 not checked. [2024-10-17 23:19:17,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:17,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8044 backedges. 266 proven. 2948 refuted. 0 times theorem prover too weak. 4830 trivial. 0 not checked. [2024-10-17 23:19:21,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:19:21,539 INFO L85 PathProgramCache]: Analyzing trace with hash -934781026, now seen corresponding path program 22 times [2024-10-17 23:19:21,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:19:21,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972789146] [2024-10-17 23:19:21,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:21,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 22095 backedges. 4687 proven. 7184 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-10-17 23:19:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:19:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972789146] [2024-10-17 23:19:26,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972789146] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:19:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442109450] [2024-10-17 23:19:26,598 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:19:26,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:19:26,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:19:26,600 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:19:26,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-17 23:19:27,453 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:19:27,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:19:27,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 3302 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-17 23:19:27,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:19:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 22095 backedges. 8777 proven. 66 refuted. 0 times theorem prover too weak. 13252 trivial. 0 not checked. [2024-10-17 23:19:28,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:19:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 22095 backedges. 8570 proven. 273 refuted. 0 times theorem prover too weak. 13252 trivial. 0 not checked. [2024-10-17 23:19:30,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442109450] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:19:30,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:19:30,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 26, 26] total 81 [2024-10-17 23:19:30,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412485688] [2024-10-17 23:19:30,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:19:30,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-10-17 23:19:30,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:19:30,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-10-17 23:19:30,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=5609, Unknown=0, NotChecked=0, Total=6480 [2024-10-17 23:19:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:19:30,358 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:19:30,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.197530864197531) internal successors, (583), 81 states have internal predecessors, (583), 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 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:19:30,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:19:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:19:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:19:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-17 23:19:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 23:19:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 23:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 23:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-17 23:19:31,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-17 23:19:31,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104,SelfDestructingSolverStorable105,SelfDestructingSolverStorable106,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-10-17 23:19:31,892 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 23:19:32,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:19:32,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-10-17 23:19:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2051911481, now seen corresponding path program 1 times [2024-10-17 23:19:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:32,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 710 proven. 476 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-17 23:19:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:34,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 710 proven. 476 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-17 23:19:36,613 INFO L349 Elim1Store]: treesize reduction 23, result has 51.1 percent of original size [2024-10-17 23:19:36,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 46 [2024-10-17 23:19:36,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1984553334, now seen corresponding path program 1 times [2024-10-17 23:19:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:36,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8071 backedges. 275 proven. 3131 refuted. 0 times theorem prover too weak. 4665 trivial. 0 not checked. [2024-10-17 23:19:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8071 backedges. 275 proven. 3131 refuted. 0 times theorem prover too weak. 4665 trivial. 0 not checked. [2024-10-17 23:19:45,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:19:45,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-10-17 23:19:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash 92528071, now seen corresponding path program 1 times [2024-10-17 23:19:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:45,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8072 backedges. 275 proven. 3131 refuted. 0 times theorem prover too weak. 4666 trivial. 0 not checked. [2024-10-17 23:19:50,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:50,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:19:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8072 backedges. 275 proven. 3131 refuted. 0 times theorem prover too weak. 4666 trivial. 0 not checked. [2024-10-17 23:19:55,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:19:55,228 INFO L85 PathProgramCache]: Analyzing trace with hash -28827204, now seen corresponding path program 23 times [2024-10-17 23:19:55,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:19:55,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035086836] [2024-10-17 23:19:55,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:19:55,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:19:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:20:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22123 backedges. 4717 proven. 7555 refuted. 0 times theorem prover too weak. 9851 trivial. 0 not checked. [2024-10-17 23:20:00,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:20:00,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035086836] [2024-10-17 23:20:00,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035086836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:20:00,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30087500] [2024-10-17 23:20:00,568 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:20:00,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:20:00,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:20:00,569 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:20:00,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process