./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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-mult2.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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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 [2024-10-18 17:17:21,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 17:17:21,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 17:17:21,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 17:17:21,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 17:17:21,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 17:17:21,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 17:17:21,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 17:17:21,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 17:17:21,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 17:17:21,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 17:17:21,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 17:17:21,385 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 17:17:21,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 17:17:21,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 17:17:21,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 17:17:21,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 17:17:21,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 17:17:21,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 17:17:21,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 17:17:21,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 17:17:21,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 17:17:21,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 17:17:21,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 17:17:21,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 17:17:21,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 17:17:21,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 17:17:21,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 17:17:21,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 17:17:21,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 17:17:21,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:17:21,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 17:17:21,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 17:17:21,393 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 17:17:21,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 17:17:21,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 17:17:21,395 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 17:17:21,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 17:17:21,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 17:17:21,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 17:17:21,396 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 17:17:21,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 17:17:21,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 17:17:21,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 17:17:21,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 17:17:21,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 17:17:21,681 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 17:17:21,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-10-18 17:17:23,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 17:17:23,301 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 17:17:23,301 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-10-18 17:17:23,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9587066a8/e494c55133874cb5ad72779901ff60ef/FLAG418c9b43d [2024-10-18 17:17:23,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9587066a8/e494c55133874cb5ad72779901ff60ef [2024-10-18 17:17:23,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 17:17:23,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 17:17:23,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 17:17:23,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 17:17:23,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 17:17:23,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5353d0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23, skipping insertion in model container [2024-10-18 17:17:23,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 17:17:23,590 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-mult2.wvr.c[4151,4164] [2024-10-18 17:17:23,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:17:23,622 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 17:17:23,660 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-mult2.wvr.c[4151,4164] [2024-10-18 17:17:23,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:17:23,690 INFO L204 MainTranslator]: Completed translation [2024-10-18 17:17:23,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23 WrapperNode [2024-10-18 17:17:23,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 17:17:23,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 17:17:23,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 17:17:23,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 17:17:23,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,739 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 292 [2024-10-18 17:17:23,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 17:17:23,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 17:17:23,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 17:17:23,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 17:17:23,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 17:17:23,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 17:17:23,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 17:17:23,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 17:17:23,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (1/1) ... [2024-10-18 17:17:23,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:17:23,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:17:23,852 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) [2024-10-18 17:17:23,855 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 [2024-10-18 17:17:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 17:17:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 17:17:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 17:17:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 17:17:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 17:17:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 17:17:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 17:17:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 17:17:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 17:17:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-18 17:17:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-18 17:17:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 17:17:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 17:17:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 17:17:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 17:17:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 17:17:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 17:17:23,900 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 17:17:24,045 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 17:17:24,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 17:17:24,459 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 17:17:24,460 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 17:17:24,785 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 17:17:24,785 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-18 17:17:24,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:17:24 BoogieIcfgContainer [2024-10-18 17:17:24,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 17:17:24,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 17:17:24,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 17:17:24,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 17:17:24,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:17:23" (1/3) ... [2024-10-18 17:17:24,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d0cbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:17:24, skipping insertion in model container [2024-10-18 17:17:24,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:17:23" (2/3) ... [2024-10-18 17:17:24,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d0cbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:17:24, skipping insertion in model container [2024-10-18 17:17:24,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:17:24" (3/3) ... [2024-10-18 17:17:24,796 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-10-18 17:17:24,812 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 17:17:24,813 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 17:17:24,813 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 17:17:24,943 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-18 17:17:24,989 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 17:17:24,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 17:17:24,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:17:24,993 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) [2024-10-18 17:17:24,995 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 [2024-10-18 17:17:25,100 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 17:17:25,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:17:25,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 17:17:25,130 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;@4b1c8b10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 17:17:25,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 17:17:27,195 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)] === [2024-10-18 17:17:27,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:17:27,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1950910824, now seen corresponding path program 1 times [2024-10-18 17:17:27,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:17:27,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002849255] [2024-10-18 17:17:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:27,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-10-18 17:17:28,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:17:28,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002849255] [2024-10-18 17:17:28,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002849255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:17:28,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:17:28,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:17:28,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891941382] [2024-10-18 17:17:28,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:17:28,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:17:28,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:17:29,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:17:29,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:17:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:29,243 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:17:29,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-10-18 17:17:29,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:29,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:29,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 17:17:29,385 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)] === [2024-10-18 17:17:29,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:17:29,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1013830310, now seen corresponding path program 1 times [2024-10-18 17:17:29,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:17:29,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885340570] [2024-10-18 17:17:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:29,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-10-18 17:17:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:17:29,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885340570] [2024-10-18 17:17:29,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885340570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:17:29,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:17:29,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 17:17:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393082269] [2024-10-18 17:17:29,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:17:29,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:17:29,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:17:30,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:17:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:17:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:30,838 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:17:30,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 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) [2024-10-18 17:17:30,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:30,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:30,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:30,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:30,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 17:17:30,936 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)] === [2024-10-18 17:17:30,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:17:30,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1167136515, now seen corresponding path program 1 times [2024-10-18 17:17:30,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:17:30,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223395192] [2024-10-18 17:17:30,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:30,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-18 17:17:31,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:17:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223395192] [2024-10-18 17:17:31,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223395192] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:17:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238735096] [2024-10-18 17:17:31,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:31,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:17:31,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:17:31,352 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) [2024-10-18 17:17:31,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 17:17:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:31,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 17:17:31,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:17:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-18 17:17:31,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:17:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-18 17:17:31,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238735096] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:17:31,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:17:31,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-18 17:17:31,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436658776] [2024-10-18 17:17:31,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:17:31,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 17:17:31,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:17:32,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 17:17:32,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-18 17:17:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:32,899 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:17:32,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 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) [2024-10-18 17:17:32,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:32,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:32,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:33,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:33,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:33,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:17:33,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 17:17:33,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-18 17:17:33,258 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)] === [2024-10-18 17:17:33,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:17:33,259 INFO L85 PathProgramCache]: Analyzing trace with hash 241621691, now seen corresponding path program 2 times [2024-10-18 17:17:33,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:17:33,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168938372] [2024-10-18 17:17:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:33,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 61 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-18 17:17:33,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:17:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168938372] [2024-10-18 17:17:33,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168938372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:17:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501340827] [2024-10-18 17:17:33,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:17:33,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:17:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:17:33,714 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) [2024-10-18 17:17:33,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 17:17:33,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:17:33,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:17:33,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 17:17:33,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:17:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-18 17:17:33,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:17:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 59 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-18 17:17:34,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501340827] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:17:34,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:17:34,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2024-10-18 17:17:34,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688591940] [2024-10-18 17:17:34,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:17:34,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-18 17:17:34,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:17:35,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-18 17:17:35,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-10-18 17:17:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:35,076 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:17:35,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 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) [2024-10-18 17:17:35,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:35,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:35,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:17:35,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:17:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:17:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:17:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:17:35,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 17:17:35,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:17:35,461 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)] === [2024-10-18 17:17:35,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:17:35,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1566137798, now seen corresponding path program 3 times [2024-10-18 17:17:35,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:17:35,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537211529] [2024-10-18 17:17:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:35,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-18 17:17:36,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:17:36,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537211529] [2024-10-18 17:17:36,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537211529] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:17:36,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645100816] [2024-10-18 17:17:36,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:17:36,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:17:36,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:17:36,057 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) [2024-10-18 17:17:36,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 17:17:36,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-18 17:17:36,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:17:36,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 17:17:36,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:17:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 17:17:36,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:17:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 35 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 17:17:36,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645100816] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:17:36,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:17:36,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2024-10-18 17:17:36,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934733825] [2024-10-18 17:17:36,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:17:36,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 17:17:36,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:17:36,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:17:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1117177963, now seen corresponding path program 1 times [2024-10-18 17:17:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:37,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:17:37,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:17:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:17:37,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:17:37,600 INFO L85 PathProgramCache]: Analyzing trace with hash 789011552, now seen corresponding path program 1 times [2024-10-18 17:17:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:37,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:17:37,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:17:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:17:38,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:17:38,087 INFO L85 PathProgramCache]: Analyzing trace with hash -181724649, now seen corresponding path program 1 times [2024-10-18 17:17:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:17:38,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:17:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:17:38,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:17:38,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1338404133, now seen corresponding path program 1 times [2024-10-18 17:17:38,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 17:17:39,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 17:17:39,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:17:39,761 INFO L85 PathProgramCache]: Analyzing trace with hash -127462395, now seen corresponding path program 1 times [2024-10-18 17:17:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 17:17:39,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:40,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 17:17:40,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:17:40,630 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 [2024-10-18 17:17:48,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2113594706, now seen corresponding path program 1 times [2024-10-18 17:17:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-18 17:17:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:17:48,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:17:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:17:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-18 17:17:49,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:17:49,775 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 [2024-10-18 17:18:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash -2013653973, now seen corresponding path program 1 times [2024-10-18 17:18:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 17:18:07,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:07,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 17:18:07,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 17:18:07,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2024-10-18 17:18:07,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:07,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:07,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.571428571428571) internal successors, (138), 21 states have internal predecessors, (138), 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) [2024-10-18 17:18:07,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:07,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:07,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:07,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:07,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:08,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 17:18:08,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 17:18:08,778 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)] === [2024-10-18 17:18:08,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:08,779 INFO L85 PathProgramCache]: Analyzing trace with hash 709053162, now seen corresponding path program 4 times [2024-10-18 17:18:08,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:08,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121840320] [2024-10-18 17:18:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:08,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 146 proven. 155 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-18 17:18:09,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121840320] [2024-10-18 17:18:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121840320] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:18:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438175734] [2024-10-18 17:18:09,401 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:18:09,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:09,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:18:09,403 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) [2024-10-18 17:18:09,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 17:18:09,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:18:09,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:18:09,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-18 17:18:09,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:18:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 372 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:18:10,265 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:18:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 307 proven. 75 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-18 17:18:10,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438175734] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:18:10,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:18:10,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 40 [2024-10-18 17:18:10,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623185643] [2024-10-18 17:18:10,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:18:10,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-18 17:18:10,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:11,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:18:11,139 INFO L85 PathProgramCache]: Analyzing trace with hash 448786341, now seen corresponding path program 1 times [2024-10-18 17:18:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:11,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:11,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:11,626 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:18:11,627 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 40 treesize of output 20 [2024-10-18 17:18:13,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1690790280, now seen corresponding path program 1 times [2024-10-18 17:18:13,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:13,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:13,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:14,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:18:14,382 INFO L85 PathProgramCache]: Analyzing trace with hash -874896355, now seen corresponding path program 1 times [2024-10-18 17:18:14,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:14,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:18:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:18:14,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:18:15,006 INFO L85 PathProgramCache]: Analyzing trace with hash -168076438, now seen corresponding path program 1 times [2024-10-18 17:18:15,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:18:15,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:15,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:18:15,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:18:15,558 INFO L85 PathProgramCache]: Analyzing trace with hash -329340769, now seen corresponding path program 1 times [2024-10-18 17:18:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:15,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:18:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:15,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:18:16,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:18:16,362 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 [2024-10-18 17:18:17,229 INFO L85 PathProgramCache]: Analyzing trace with hash -19468117, now seen corresponding path program 1 times [2024-10-18 17:18:17,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 17:18:17,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:17,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 17:18:18,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:18:18,273 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 [2024-10-18 17:18:21,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1529183954, now seen corresponding path program 1 times [2024-10-18 17:18:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:21,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 17:18:21,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 17:18:22,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:18:22,145 INFO L85 PathProgramCache]: Analyzing trace with hash -667148055, now seen corresponding path program 1 times [2024-10-18 17:18:22,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:22,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:22,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:23,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:18:23,207 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 [2024-10-18 17:18:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash 677211042, now seen corresponding path program 1 times [2024-10-18 17:18:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:25,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 17:18:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:18:27,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:18:27,264 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 [2024-10-18 17:18:30,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2035420891, now seen corresponding path program 1 times [2024-10-18 17:18:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:30,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 17:18:31,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:31,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 17:18:31,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-18 17:18:31,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=3074, Unknown=0, NotChecked=0, Total=3660 [2024-10-18 17:18:31,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:31,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:31,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 6.536585365853658) internal successors, (268), 40 states have internal predecessors, (268), 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) [2024-10-18 17:18:31,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:32,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:32,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 17:18:32,327 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,SelfDestructingSolverStorable30,SelfDestructingSolverStorable20,SelfDestructingSolverStorable31,SelfDestructingSolverStorable18,SelfDestructingSolverStorable29,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable32,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable36,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17,SelfDestructingSolverStorable28 [2024-10-18 17:18:32,328 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)] === [2024-10-18 17:18:32,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:32,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1548857898, now seen corresponding path program 5 times [2024-10-18 17:18:32,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:32,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989611054] [2024-10-18 17:18:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-10-18 17:18:32,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:32,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989611054] [2024-10-18 17:18:32,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989611054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:18:32,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:18:32,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:18:32,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198912262] [2024-10-18 17:18:32,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:18:32,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:18:32,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:32,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-18 17:18:32,870 INFO L85 PathProgramCache]: Analyzing trace with hash -436963573, now seen corresponding path program 1 times [2024-10-18 17:18:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:18:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:18:33,265 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:18:33,265 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 40 treesize of output 20 [2024-10-18 17:18:33,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2079758174, now seen corresponding path program 1 times [2024-10-18 17:18:33,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:33,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:18:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:33,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:18:34,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:18:34,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-18 17:18:34,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:34,967 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:34,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-10-18 17:18:35,122 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)] === [2024-10-18 17:18:35,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:35,123 INFO L85 PathProgramCache]: Analyzing trace with hash 865217921, now seen corresponding path program 6 times [2024-10-18 17:18:35,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:35,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518069365] [2024-10-18 17:18:35,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 17:18:35,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:35,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518069365] [2024-10-18 17:18:35,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518069365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:18:35,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:18:35,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:18:35,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551990054] [2024-10-18 17:18:35,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:18:35,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:18:35,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:35,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:18:35,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:18:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:35,326 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:35,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:18:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:35,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:35,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:35,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:35,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-18 17:18:35,684 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)] === [2024-10-18 17:18:35,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:35,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1623510829, now seen corresponding path program 7 times [2024-10-18 17:18:35,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:35,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767179067] [2024-10-18 17:18:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:35,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-18 17:18:36,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:36,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767179067] [2024-10-18 17:18:36,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767179067] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:18:36,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863408219] [2024-10-18 17:18:36,005 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 17:18:36,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:36,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:18:36,007 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) [2024-10-18 17:18:36,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 17:18:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:36,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-18 17:18:36,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:18:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-18 17:18:36,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:18:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-18 17:18:36,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863408219] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:18:36,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:18:36,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 14] total 22 [2024-10-18 17:18:36,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556448790] [2024-10-18 17:18:36,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:18:36,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-18 17:18:36,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:36,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 17:18:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1454580168, now seen corresponding path program 1 times [2024-10-18 17:18:37,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-18 17:18:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:37,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-18 17:18:38,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-18 17:18:38,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2024-10-18 17:18:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:38,179 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:38,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.045454545454546) internal successors, (155), 22 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:18:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:38,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:38,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:38,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:38,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:39,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 17:18:39,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45 [2024-10-18 17:18:39,487 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)] === [2024-10-18 17:18:39,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:39,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1929494488, now seen corresponding path program 8 times [2024-10-18 17:18:39,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:39,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415627322] [2024-10-18 17:18:39,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:39,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 17:18:40,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:40,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415627322] [2024-10-18 17:18:40,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415627322] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:18:40,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890320588] [2024-10-18 17:18:40,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:18:40,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:40,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:18:40,207 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) [2024-10-18 17:18:40,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 17:18:40,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:18:40,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:18:40,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 17:18:40,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:18:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-18 17:18:40,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:18:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-18 17:18:40,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890320588] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:18:40,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:18:40,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 6] total 21 [2024-10-18 17:18:40,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346648006] [2024-10-18 17:18:40,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:18:40,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 17:18:40,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:40,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 17:18:40,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-10-18 17:18:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:40,780 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:40,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.571428571428571) internal successors, (138), 21 states have internal predecessors, (138), 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) [2024-10-18 17:18:40,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:40,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:40,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:40,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:40,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:40,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:40,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:40,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:40,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:40,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 17:18:43,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 17:18:43,433 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,SelfDestructingSolverStorable46 [2024-10-18 17:18:43,433 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)] === [2024-10-18 17:18:43,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:43,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2083566110, now seen corresponding path program 9 times [2024-10-18 17:18:43,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:43,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389956848] [2024-10-18 17:18:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-18 17:18:43,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:43,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389956848] [2024-10-18 17:18:43,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389956848] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:18:43,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618216388] [2024-10-18 17:18:43,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:18:43,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:18:43,995 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) [2024-10-18 17:18:43,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 17:18:44,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-18 17:18:44,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:18:44,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-18 17:18:44,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:18:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-18 17:18:44,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:18:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 17:18:45,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618216388] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:18:45,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:18:45,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 12] total 33 [2024-10-18 17:18:45,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160969868] [2024-10-18 17:18:45,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:18:45,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-18 17:18:45,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-18 17:18:45,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2024-10-18 17:18:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:45,301 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:45,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.735294117647059) internal successors, (161), 33 states have internal predecessors, (161), 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) [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 17:18:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-18 17:18:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-10-18 17:18:52,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-18 17:18:52,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:52,956 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)] === [2024-10-18 17:18:52,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 241669680, now seen corresponding path program 10 times [2024-10-18 17:18:52,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:52,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823122273] [2024-10-18 17:18:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 39 proven. 49 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 17:18:53,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:53,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823122273] [2024-10-18 17:18:53,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823122273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:18:53,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765772601] [2024-10-18 17:18:53,307 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:18:53,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:53,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:18:53,309 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) [2024-10-18 17:18:53,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 17:18:53,503 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:18:53,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:18:53,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 17:18:53,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:18:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-18 17:18:53,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:18:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 57 proven. 42 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-18 17:18:54,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765772601] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:18:54,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:18:54,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2024-10-18 17:18:54,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131055576] [2024-10-18 17:18:54,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:18:54,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 17:18:54,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:54,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 17:18:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2024-10-18 17:18:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:54,102 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:54,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.925925925925926) internal successors, (187), 27 states have internal predecessors, (187), 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) [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-18 17:18:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-10-18 17:18:54,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:54,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-18 17:18:54,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-10-18 17:18:54,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:18:54,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 17:18:54,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-18 17:18:54,463 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)] === [2024-10-18 17:18:54,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:18:54,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1307993968, now seen corresponding path program 11 times [2024-10-18 17:18:54,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:18:54,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130695598] [2024-10-18 17:18:54,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:18:54,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:18:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:18:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 20 proven. 65 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-18 17:18:55,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:18:55,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130695598] [2024-10-18 17:18:55,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130695598] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:18:55,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119699748] [2024-10-18 17:18:55,329 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 17:18:55,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:18:55,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:18:55,331 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) [2024-10-18 17:18:55,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 17:18:55,905 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-10-18 17:18:55,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:18:55,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-18 17:18:55,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:18:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 29 proven. 64 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:18:56,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:18:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 29 proven. 64 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-18 17:18:57,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119699748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:18:57,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:18:57,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-10-18 17:18:57,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935258905] [2024-10-18 17:18:57,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:18:57,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-18 17:18:57,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:18:57,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-18 17:18:57,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1497, Unknown=0, NotChecked=0, Total=1806 [2024-10-18 17:18:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:18:57,104 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:18:57,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.837209302325581) internal successors, (208), 42 states have internal predecessors, (208), 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) [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:18:57,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:13,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-18 17:19:13,838 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,SelfDestructingSolverStorable49 [2024-10-18 17:19:13,839 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)] === [2024-10-18 17:19:13,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:19:13,839 INFO L85 PathProgramCache]: Analyzing trace with hash -576653289, now seen corresponding path program 12 times [2024-10-18 17:19:13,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:19:13,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328099783] [2024-10-18 17:19:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 399 proven. 271 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-10-18 17:19:14,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:19:14,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328099783] [2024-10-18 17:19:14,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328099783] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:19:14,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44043076] [2024-10-18 17:19:14,644 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 17:19:14,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:19:14,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:19:14,646 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) [2024-10-18 17:19:14,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 17:19:15,089 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-18 17:19:15,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:19:15,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-18 17:19:15,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:19:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 106 proven. 96 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2024-10-18 17:19:15,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:19:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2024-10-18 17:19:15,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44043076] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:19:15,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:19:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 8] total 25 [2024-10-18 17:19:15,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689749421] [2024-10-18 17:19:15,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:19:15,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 17:19:15,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:19:15,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:19:15,917 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 [2024-10-18 17:19:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash 251099035, now seen corresponding path program 1 times [2024-10-18 17:19:16,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 155 proven. 269 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-10-18 17:19:17,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 155 proven. 269 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-10-18 17:19:18,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:19:18,068 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 [2024-10-18 17:19:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash -160013628, now seen corresponding path program 1 times [2024-10-18 17:19:25,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 69 proven. 284 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-18 17:19:26,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:26,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 69 proven. 284 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-18 17:19:27,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 17:19:27,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2024-10-18 17:19:27,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:27,925 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:19:27,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.4) internal successors, (160), 25 states have internal predecessors, (160), 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) [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:27,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:27,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:27,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:29,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-18 17:19:29,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:19:29,421 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)] === [2024-10-18 17:19:29,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:19:29,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1070054919, now seen corresponding path program 13 times [2024-10-18 17:19:29,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:19:29,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970704011] [2024-10-18 17:19:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:29,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 411 proven. 286 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-10-18 17:19:30,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:19:30,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970704011] [2024-10-18 17:19:30,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970704011] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:19:30,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280260284] [2024-10-18 17:19:30,191 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 17:19:30,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:19:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:19:30,193 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) [2024-10-18 17:19:30,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 17:19:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:30,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-18 17:19:30,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:19:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 642 proven. 21 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-18 17:19:30,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:19:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 563 proven. 100 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-18 17:19:31,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280260284] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:19:31,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:19:31,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-10-18 17:19:31,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9571264] [2024-10-18 17:19:31,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:19:31,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-18 17:19:31,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:19:32,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-18 17:19:32,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1330, Unknown=0, NotChecked=0, Total=1722 [2024-10-18 17:19:32,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:32,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:19:32,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.476190476190476) internal successors, (272), 42 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:32,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:32,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:32,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:19:32,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-18 17:19:32,609 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,SelfDestructingSolverStorable55 [2024-10-18 17:19:32,609 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)] === [2024-10-18 17:19:32,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:19:32,610 INFO L85 PathProgramCache]: Analyzing trace with hash -462194426, now seen corresponding path program 14 times [2024-10-18 17:19:32,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:19:32,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277671252] [2024-10-18 17:19:32,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 462 proven. 285 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-18 17:19:33,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:19:33,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277671252] [2024-10-18 17:19:33,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277671252] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:19:33,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136538978] [2024-10-18 17:19:33,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:19:33,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:19:33,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:19:33,490 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) [2024-10-18 17:19:33,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 17:19:33,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:19:33,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:19:33,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-18 17:19:33,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:19:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 704 proven. 28 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-10-18 17:19:34,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:19:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 600 proven. 132 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-10-18 17:19:34,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136538978] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:19:34,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:19:34,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2024-10-18 17:19:34,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122951244] [2024-10-18 17:19:34,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:19:34,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-18 17:19:34,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:19:35,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-18 17:19:35,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=504, Invalid=1752, Unknown=0, NotChecked=0, Total=2256 [2024-10-18 17:19:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:35,724 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:19:35,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.458333333333333) 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) [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:19:35,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:19:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:36,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-18 17:19:36,207 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,SelfDestructingSolverStorable56 [2024-10-18 17:19:36,208 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)] === [2024-10-18 17:19:36,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:19:36,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1201611673, now seen corresponding path program 15 times [2024-10-18 17:19:36,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:19:36,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450896325] [2024-10-18 17:19:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 528 proven. 262 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-18 17:19:37,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:19:37,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450896325] [2024-10-18 17:19:37,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450896325] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:19:37,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288448801] [2024-10-18 17:19:37,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:19:37,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:19:37,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:19:37,025 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) [2024-10-18 17:19:37,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 17:19:37,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-18 17:19:37,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:19:37,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 17:19:37,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:19:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 126 proven. 5 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2024-10-18 17:19:37,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:19:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2024-10-18 17:19:37,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288448801] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:19:37,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:19:37,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 8, 8] total 31 [2024-10-18 17:19:37,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122875758] [2024-10-18 17:19:37,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:19:37,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-18 17:19:37,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:19:37,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:19:37,970 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 [2024-10-18 17:19:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash -97868610, now seen corresponding path program 1 times [2024-10-18 17:19:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:42,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:19:43,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:19:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:19:43,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:19:43,957 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 [2024-10-18 17:19:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash -363376991, now seen corresponding path program 1 times [2024-10-18 17:19:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:53,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 411 proven. 104 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:19:54,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 411 proven. 104 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:19:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-18 17:19:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2024-10-18 17:19:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:55,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:19:55,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.258064516129032) internal successors, (194), 31 states have internal predecessors, (194), 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) [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:19:55,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:55,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:19:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:19:56,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-18 17:19:56,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-10-18 17:19:56,877 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)] === [2024-10-18 17:19:56,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:19:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1662940046, now seen corresponding path program 16 times [2024-10-18 17:19:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:19:56,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971465047] [2024-10-18 17:19:56,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:19:56,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:19:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:19:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 555 proven. 216 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-10-18 17:19:57,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:19:57,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971465047] [2024-10-18 17:19:57,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971465047] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:19:57,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846135734] [2024-10-18 17:19:57,849 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:19:57,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:19:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:19:57,851 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) [2024-10-18 17:19:57,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 17:19:58,140 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:19:58,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:19:58,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-18 17:19:58,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:19:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 750 proven. 55 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 17:19:59,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:20:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 668 proven. 137 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 17:20:00,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846135734] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:20:00,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:20:00,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 24] total 68 [2024-10-18 17:20:00,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045156726] [2024-10-18 17:20:00,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:20:00,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-18 17:20:00,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:20:00,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:20:00,879 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 [2024-10-18 17:20:03,574 INFO L85 PathProgramCache]: Analyzing trace with hash 907621549, now seen corresponding path program 1 times [2024-10-18 17:20:03,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:03,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:03,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:20:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:04,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:20:04,612 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 [2024-10-18 17:20:14,253 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 39 DAG size of output: 18 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 17:20:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash -32846250, now seen corresponding path program 1 times [2024-10-18 17:20:14,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:14,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:20:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:14,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-18 17:20:14,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=3814, Unknown=0, NotChecked=0, Total=4556 [2024-10-18 17:20:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:20:14,987 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:20:14,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.676470588235294) internal successors, (454), 68 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) [2024-10-18 17:20:14,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:14,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:14,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:20:14,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:14,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:20:14,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:20:14,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:20:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:20:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:20:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:20:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:20:15,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-18 17:20:15,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:20:15,493 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)] === [2024-10-18 17:20:15,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:20:15,494 INFO L85 PathProgramCache]: Analyzing trace with hash -552321055, now seen corresponding path program 17 times [2024-10-18 17:20:15,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:20:15,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162531494] [2024-10-18 17:20:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:15,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:20:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 693 proven. 99 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-18 17:20:16,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:20:16,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162531494] [2024-10-18 17:20:16,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162531494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:20:16,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868343853] [2024-10-18 17:20:16,582 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 17:20:16,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:20:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:20:16,583 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) [2024-10-18 17:20:16,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-18 17:20:22,626 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-10-18 17:20:22,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:20:22,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-18 17:20:22,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:20:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 647 proven. 145 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-18 17:20:23,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:20:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 483 proven. 309 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-18 17:20:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868343853] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:20:24,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:20:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 66 [2024-10-18 17:20:24,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041334802] [2024-10-18 17:20:24,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:20:24,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-18 17:20:24,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:20:24,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:20:24,733 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 [2024-10-18 17:20:27,593 INFO L85 PathProgramCache]: Analyzing trace with hash -322613558, now seen corresponding path program 1 times [2024-10-18 17:20:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:27,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:27,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:20:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:28,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:20:28,693 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 [2024-10-18 17:20:36,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1109641453, now seen corresponding path program 1 times [2024-10-18 17:20:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:36,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:20:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-18 17:20:36,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=887, Invalid=3403, Unknown=0, NotChecked=0, Total=4290 [2024-10-18 17:20:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:20:36,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:20:36,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.045454545454546) internal successors, (399), 66 states have internal predecessors, (399), 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) [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:20:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:20:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:20:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:20:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:20:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:20:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:20:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:20:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:20:37,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-18 17:20:37,452 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,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66 [2024-10-18 17:20:37,453 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)] === [2024-10-18 17:20:37,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:20:37,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1289231790, now seen corresponding path program 18 times [2024-10-18 17:20:37,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:20:37,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482988726] [2024-10-18 17:20:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:37,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:20:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 82 proven. 412 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-10-18 17:20:38,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:20:38,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482988726] [2024-10-18 17:20:38,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482988726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:20:38,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503881547] [2024-10-18 17:20:38,992 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 17:20:38,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:20:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:20:38,994 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) [2024-10-18 17:20:38,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-18 17:20:48,676 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-10-18 17:20:48,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:20:48,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-18 17:20:48,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:20:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 78 proven. 693 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-18 17:20:49,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:20:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 47 proven. 414 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-10-18 17:20:50,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503881547] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:20:50,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:20:50,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 30, 16] total 53 [2024-10-18 17:20:50,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534926111] [2024-10-18 17:20:50,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:20:50,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-18 17:20:50,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:20:50,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:20:50,830 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 [2024-10-18 17:20:52,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1764505887, now seen corresponding path program 1 times [2024-10-18 17:20:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:20:52,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:20:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:52,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:20:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:20:53,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:20:53,396 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 [2024-10-18 17:21:04,285 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 39 DAG size of output: 18 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 17:21:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1613916086, now seen corresponding path program 1 times [2024-10-18 17:21:04,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:21:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:21:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:21:04,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:21:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:21:05,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-18 17:21:05,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=2370, Unknown=0, NotChecked=0, Total=2862 [2024-10-18 17:21:05,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:05,198 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:21:05,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.666666666666667) internal successors, (306), 53 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:05,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:05,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:05,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:16,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-18 17:21:17,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-10-18 17:21:17,074 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)] === [2024-10-18 17:21:17,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:21:17,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1044025416, now seen corresponding path program 19 times [2024-10-18 17:21:17,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:21:17,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848340801] [2024-10-18 17:21:17,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:21:17,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:21:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:21:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 665 proven. 303 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:21:18,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:21:18,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848340801] [2024-10-18 17:21:18,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848340801] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:21:18,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416500201] [2024-10-18 17:21:18,248 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 17:21:18,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:21:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:21:18,249 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) [2024-10-18 17:21:18,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-18 17:21:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:21:18,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-18 17:21:18,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:21:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 906 proven. 66 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-18 17:21:19,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:21:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 731 proven. 241 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-18 17:21:20,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416500201] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:21:20,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:21:20,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2024-10-18 17:21:20,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999755271] [2024-10-18 17:21:20,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:21:20,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-10-18 17:21:20,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:21:23,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-10-18 17:21:23,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=4020, Unknown=0, NotChecked=0, Total=5112 [2024-10-18 17:21:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:23,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:21:23,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.666666666666667) internal successors, (480), 72 states have internal predecessors, (480), 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) [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:23,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:23,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:23,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-18 17:21:23,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:21:23,752 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)] === [2024-10-18 17:21:23,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:21:23,752 INFO L85 PathProgramCache]: Analyzing trace with hash -620738661, now seen corresponding path program 20 times [2024-10-18 17:21:23,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:21:23,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672780090] [2024-10-18 17:21:23,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:21:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:21:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:21:24,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 855 proven. 136 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-18 17:21:24,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:21:24,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672780090] [2024-10-18 17:21:24,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672780090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:21:24,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251057402] [2024-10-18 17:21:24,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:21:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:21:24,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:21:24,912 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) [2024-10-18 17:21:24,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-18 17:21:25,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:21:25,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:21:25,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 17:21:25,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:21:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 913 proven. 78 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-18 17:21:26,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:21:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 745 proven. 246 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-18 17:21:27,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251057402] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:21:27,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:21:27,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 78 [2024-10-18 17:21:27,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631640261] [2024-10-18 17:21:27,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:21:27,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-10-18 17:21:27,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:21:27,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-10-18 17:21:27,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1274, Invalid=4732, Unknown=0, NotChecked=0, Total=6006 [2024-10-18 17:21:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:27,835 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:21:27,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.512820512820513) internal successors, (508), 78 states have internal predecessors, (508), 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) [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:28,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-18 17:21:28,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:21:28,300 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)] === [2024-10-18 17:21:28,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:21:28,300 INFO L85 PathProgramCache]: Analyzing trace with hash -688817496, now seen corresponding path program 21 times [2024-10-18 17:21:28,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:21:28,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630753322] [2024-10-18 17:21:28,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:21:28,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:21:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:21:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 97 proven. 186 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-10-18 17:21:29,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:21:29,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630753322] [2024-10-18 17:21:29,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630753322] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:21:29,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597921455] [2024-10-18 17:21:29,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:21:29,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:21:29,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:21:29,705 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) [2024-10-18 17:21:29,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-18 17:21:37,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-10-18 17:21:37,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:21:37,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-18 17:21:37,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:21:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 61 proven. 852 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-10-18 17:21:39,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:21:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 61 proven. 282 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-10-18 17:21:40,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597921455] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:21:40,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:21:40,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 43, 12] total 62 [2024-10-18 17:21:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409753882] [2024-10-18 17:21:40,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:21:40,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-18 17:21:40,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:21:40,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-18 17:21:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=3406, Unknown=0, NotChecked=0, Total=3906 [2024-10-18 17:21:40,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:40,604 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:21:40,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.523809523809524) internal successors, (285), 62 states have internal predecessors, (285), 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) [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:40,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:40,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:40,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:21:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:21:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:21:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:21:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:21:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-10-18 17:21:57,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-18 17:21:57,374 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,SelfDestructingSolverStorable72 [2024-10-18 17:21:57,374 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)] === [2024-10-18 17:21:57,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:21:57,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1353383108, now seen corresponding path program 22 times [2024-10-18 17:21:57,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:21:57,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177049800] [2024-10-18 17:21:57,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:21:57,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:21:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:21:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 961 proven. 102 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-18 17:21:58,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:21:58,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177049800] [2024-10-18 17:21:58,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177049800] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:21:58,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406269975] [2024-10-18 17:21:58,502 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:21:58,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:21:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:21:58,503 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) [2024-10-18 17:21:58,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-18 17:21:58,869 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:21:58,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:21:58,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 17:21:58,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:21:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 985 proven. 78 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-18 17:21:59,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:22:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 829 proven. 234 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-18 17:22:01,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406269975] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:22:01,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:22:01,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 77 [2024-10-18 17:22:01,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670337886] [2024-10-18 17:22:01,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:22:01,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-10-18 17:22:01,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:22:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-10-18 17:22:01,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1262, Invalid=4744, Unknown=0, NotChecked=0, Total=6006 [2024-10-18 17:22:01,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:22:01,598 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:22:01,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.615384615384615) internal successors, (516), 77 states have internal predecessors, (516), 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) [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-10-18 17:22:01,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-10-18 17:22:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:22:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:22:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-10-18 17:22:02,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 17:22:02,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-18 17:22:02,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:22:02,306 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)] === [2024-10-18 17:22:02,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:22:02,306 INFO L85 PathProgramCache]: Analyzing trace with hash 225917826, now seen corresponding path program 23 times [2024-10-18 17:22:02,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:22:02,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064684318] [2024-10-18 17:22:02,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:22:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:22:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:22:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 255 proven. 915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:22:35,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:22:35,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064684318] [2024-10-18 17:22:35,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064684318] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:22:35,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352700425] [2024-10-18 17:22:35,781 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 17:22:35,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:22:35,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:22:35,782 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) [2024-10-18 17:22:35,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-18 17:22:42,717 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-10-18 17:22:42,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:22:42,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 300 conjuncts are in the unsatisfiable core [2024-10-18 17:22:42,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:23:25,138 INFO L349 Elim1Store]: treesize reduction 2304, result has 14.8 percent of original size [2024-10-18 17:23:25,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 563 treesize of output 531 [2024-10-18 17:23:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 123 proven. 1046 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:23:25,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:26:24,073 WARN L286 SmtUtils]: Spent 2.22m on a formula simplification. DAG size of input: 3379 DAG size of output: 2431 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-18 17:26:24,074 INFO L349 Elim1Store]: treesize reduction 4428, result has 73.6 percent of original size [2024-10-18 17:26:24,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 52 select indices, 52 select index equivalence classes, 0 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 1326 case distinctions, treesize of input 813 treesize of output 12525 [2024-10-18 17:26:37,858 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 922 DAG size of output: 922 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-18 17:26:47,300 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 914 DAG size of output: 914 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-18 17:27:51,862 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 901 DAG size of output: 901 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15