./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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/chl-name-comparator-trans.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 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 08:40:45,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 08:40:45,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 08:40:45,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 08:40:45,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 08:40:45,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 08:40:45,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 08:40:45,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 08:40:45,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 08:40:45,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 08:40:45,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 08:40:45,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 08:40:45,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 08:40:45,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 08:40:45,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 08:40:45,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 08:40:45,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 08:40:45,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 08:40:45,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 08:40:45,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 08:40:45,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 08:40:45,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 08:40:45,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 08:40:45,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 08:40:45,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 08:40:45,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 08:40:45,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 08:40:45,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 08:40:45,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 08:40:45,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 08:40:45,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 08:40:45,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 08:40:45,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 08:40:45,127 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 08:40:45,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 08:40:45,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 08:40:45,128 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 08:40:45,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 08:40:45,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 08:40:45,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 08:40:45,128 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 08:40:45,132 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 -> 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 08:40:45,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 08:40:45,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 08:40:45,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 08:40:45,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 08:40:45,357 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 08:40:45,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c [2024-10-17 08:40:46,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 08:40:46,831 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 08:40:46,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-trans.wvr.c [2024-10-17 08:40:46,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9557caa80/1ab28f9d26e94cdbaf1b76d735e84873/FLAG30642c7e9 [2024-10-17 08:40:47,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9557caa80/1ab28f9d26e94cdbaf1b76d735e84873 [2024-10-17 08:40:47,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 08:40:47,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 08:40:47,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 08:40:47,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 08:40:47,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 08:40:47,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd72948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47, skipping insertion in model container [2024-10-17 08:40:47,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 08:40:47,521 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/chl-name-comparator-trans.wvr.c[4827,4840] [2024-10-17 08:40:47,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 08:40:47,545 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 08:40:47,565 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/chl-name-comparator-trans.wvr.c[4827,4840] [2024-10-17 08:40:47,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 08:40:47,581 INFO L204 MainTranslator]: Completed translation [2024-10-17 08:40:47,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47 WrapperNode [2024-10-17 08:40:47,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 08:40:47,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 08:40:47,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 08:40:47,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 08:40:47,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,616 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 304 [2024-10-17 08:40:47,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 08:40:47,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 08:40:47,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 08:40:47,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 08:40:47,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 08:40:47,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 08:40:47,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 08:40:47,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 08:40:47,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (1/1) ... [2024-10-17 08:40:47,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 08:40:47,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:47,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 08:40:47,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 08:40:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 08:40:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 08:40:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 08:40:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 08:40:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 08:40:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 08:40:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 08:40:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 08:40:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 08:40:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 08:40:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 08:40:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 08:40:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 08:40:47,731 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 08:40:47,829 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 08:40:47,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 08:40:48,238 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 08:40:48,238 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 08:40:48,494 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 08:40:48,495 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-17 08:40:48,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 08:40:48 BoogieIcfgContainer [2024-10-17 08:40:48,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 08:40:48,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 08:40:48,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 08:40:48,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 08:40:48,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 08:40:47" (1/3) ... [2024-10-17 08:40:48,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c25534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 08:40:48, skipping insertion in model container [2024-10-17 08:40:48,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:40:47" (2/3) ... [2024-10-17 08:40:48,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c25534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 08:40:48, skipping insertion in model container [2024-10-17 08:40:48,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 08:40:48" (3/3) ... [2024-10-17 08:40:48,501 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2024-10-17 08:40:48,513 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 08:40:48,514 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 08:40:48,514 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 08:40:48,550 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-17 08:40:48,579 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 08:40:48,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 08:40:48,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:48,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 08:40:48,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 08:40:48,670 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 08:40:48,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:48,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 08:40:48,688 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;@1e8881ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 08:40:48,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 08:40:49,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:49,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:49,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1729807633, now seen corresponding path program 1 times [2024-10-17 08:40:49,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:49,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463794589] [2024-10-17 08:40:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:40:49,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:49,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463794589] [2024-10-17 08:40:49,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463794589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 08:40:49,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 08:40:49,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 08:40:49,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661328098] [2024-10-17 08:40:49,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 08:40:49,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 08:40:49,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:49,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 08:40:49,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 08:40:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:49,650 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:49,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:49,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 08:40:49,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:49,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:49,705 INFO L85 PathProgramCache]: Analyzing trace with hash 811799476, now seen corresponding path program 1 times [2024-10-17 08:40:49,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:49,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472083228] [2024-10-17 08:40:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:49,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:40:49,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:49,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472083228] [2024-10-17 08:40:49,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472083228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 08:40:49,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 08:40:49,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 08:40:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617247445] [2024-10-17 08:40:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 08:40:49,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 08:40:49,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:49,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 08:40:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 08:40:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:49,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:49,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:50,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 08:40:50,012 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:50,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:50,014 INFO L85 PathProgramCache]: Analyzing trace with hash -101227613, now seen corresponding path program 1 times [2024-10-17 08:40:50,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:50,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084155467] [2024-10-17 08:40:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:40:50,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:50,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084155467] [2024-10-17 08:40:50,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084155467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:40:50,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981687430] [2024-10-17 08:40:50,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:50,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:50,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:40:50,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 08:40:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:50,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-17 08:40:50,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:40:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:40:50,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:40:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:40:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981687430] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:40:50,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:40:50,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-17 08:40:50,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788926129] [2024-10-17 08:40:50,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:40:50,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 08:40:50,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:50,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 08:40:50,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-10-17 08:40:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,285 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:50,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:50,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:50,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 08:40:50,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-17 08:40:50,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:50,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash 413999555, now seen corresponding path program 2 times [2024-10-17 08:40:50,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:50,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524825092] [2024-10-17 08:40:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524825092] [2024-10-17 08:40:50,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524825092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 08:40:50,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 08:40:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-17 08:40:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249026931] [2024-10-17 08:40:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 08:40:50,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 08:40:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:50,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 08:40:50,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 08:40:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,776 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:50,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:50,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:50,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:50,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:50,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-17 08:40:50,875 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:50,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:50,876 INFO L85 PathProgramCache]: Analyzing trace with hash 715982958, now seen corresponding path program 1 times [2024-10-17 08:40:50,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:50,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951453341] [2024-10-17 08:40:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:50,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:51,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:51,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951453341] [2024-10-17 08:40:51,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951453341] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:40:51,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395422778] [2024-10-17 08:40:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:51,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:51,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:51,072 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:40:51,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 08:40:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:51,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-17 08:40:51,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:40:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:51,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:40:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:51,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395422778] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:40:51,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:40:51,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-17 08:40:51,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689615843] [2024-10-17 08:40:51,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:40:51,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 08:40:51,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 08:40:51,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-17 08:40:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:51,538 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:51,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:51,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:51,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:51,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:51,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:51,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:51,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-17 08:40:51,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:51,874 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:51,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:51,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1386229353, now seen corresponding path program 1 times [2024-10-17 08:40:51,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:51,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603512614] [2024-10-17 08:40:51,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:52,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:52,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603512614] [2024-10-17 08:40:52,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603512614] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:40:52,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665782288] [2024-10-17 08:40:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:52,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:52,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:52,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:40:52,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 08:40:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:52,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-17 08:40:52,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:40:53,064 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 135 treesize of output 87 [2024-10-17 08:40:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:53,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:40:54,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:40:54,249 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 225 treesize of output 121 [2024-10-17 08:40:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:54,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665782288] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:40:54,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:40:54,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-10-17 08:40:54,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239814812] [2024-10-17 08:40:54,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:40:54,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-17 08:40:54,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:54,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-17 08:40:54,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2024-10-17 08:40:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:54,628 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:54,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:54,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:40:55,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-17 08:40:56,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:56,068 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:56,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:56,069 INFO L85 PathProgramCache]: Analyzing trace with hash -315307404, now seen corresponding path program 2 times [2024-10-17 08:40:56,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:56,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67009286] [2024-10-17 08:40:56,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:56,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:40:57,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:57,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67009286] [2024-10-17 08:40:57,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67009286] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:40:57,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141409759] [2024-10-17 08:40:57,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 08:40:57,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:57,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:57,091 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:40:57,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 08:40:57,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 08:40:57,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:40:57,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-17 08:40:57,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:40:57,542 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 136 treesize of output 92 [2024-10-17 08:40:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:57,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:40:57,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:40:57,957 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 87 treesize of output 47 [2024-10-17 08:40:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:58,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141409759] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:40:58,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:40:58,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 10] total 30 [2024-10-17 08:40:58,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987785850] [2024-10-17 08:40:58,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:40:58,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-17 08:40:58,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:40:58,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-17 08:40:58,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2024-10-17 08:40:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:58,097 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:40:58,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:40:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:58,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:58,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:40:58,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:40:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:40:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:40:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:40:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:40:59,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:40:59,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 08:40:59,208 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,SelfDestructingSolverStorable6 [2024-10-17 08:40:59,209 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:40:59,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:40:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1879302078, now seen corresponding path program 3 times [2024-10-17 08:40:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:40:59,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622120491] [2024-10-17 08:40:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:40:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:40:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:40:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:40:59,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:40:59,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622120491] [2024-10-17 08:40:59,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622120491] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:40:59,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784851986] [2024-10-17 08:40:59,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 08:40:59,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:40:59,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:40:59,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:40:59,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 08:40:59,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-17 08:40:59,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:40:59,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-17 08:40:59,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:40:59,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-17 08:40:59,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-17 08:40:59,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-17 08:41:00,120 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 157 treesize of output 105 [2024-10-17 08:41:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 08:41:00,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:00,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784851986] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:00,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:00,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 10] total 27 [2024-10-17 08:41:00,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228978887] [2024-10-17 08:41:00,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:00,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 08:41:00,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:00,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 08:41:00,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2024-10-17 08:41:00,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:00,660 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:00,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:00,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:00,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:00,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:00,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:00,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:00,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:00,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:00,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:01,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-17 08:41:01,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:01,710 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:41:01,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash -405710767, now seen corresponding path program 4 times [2024-10-17 08:41:01,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:01,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197156086] [2024-10-17 08:41:01,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:41:02,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:02,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197156086] [2024-10-17 08:41:02,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197156086] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:02,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145525749] [2024-10-17 08:41:02,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 08:41:02,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:02,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:02,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 08:41:02,661 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 08:41:02,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:02,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-17 08:41:02,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:03,053 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 200 treesize of output 110 [2024-10-17 08:41:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:03,367 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:03,885 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:03,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 94 [2024-10-17 08:41:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:04,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145525749] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:04,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:04,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 31 [2024-10-17 08:41:04,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533056085] [2024-10-17 08:41:04,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:04,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-17 08:41:04,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:04,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-17 08:41:04,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=837, Unknown=0, NotChecked=0, Total=930 [2024-10-17 08:41:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:04,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:04,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.161290322580645) internal successors, (98), 31 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:04,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:06,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-17 08:41:06,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 08:41:06,550 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,SelfDestructingSolverStorable8 [2024-10-17 08:41:06,551 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:41:06,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1365215918, now seen corresponding path program 5 times [2024-10-17 08:41:06,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:06,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547394891] [2024-10-17 08:41:06,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:06,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:41:07,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547394891] [2024-10-17 08:41:07,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547394891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394664511] [2024-10-17 08:41:07,484 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 08:41:07,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:07,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:07,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 08:41:07,593 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-10-17 08:41:07,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:07,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-17 08:41:07,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:07,905 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 146 treesize of output 80 [2024-10-17 08:41:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:07,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:08,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:08,271 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 150 treesize of output 78 [2024-10-17 08:41:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:08,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394664511] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:08,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:08,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 12] total 37 [2024-10-17 08:41:08,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680422006] [2024-10-17 08:41:08,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:08,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-17 08:41:08,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:08,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-17 08:41:08,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1208, Unknown=0, NotChecked=0, Total=1332 [2024-10-17 08:41:08,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:08,716 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:08,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.810810810810811) internal successors, (104), 37 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:08,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-17 08:41:08,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 08:41:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:11,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 08:41:11,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:11,586 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:41:11,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:11,587 INFO L85 PathProgramCache]: Analyzing trace with hash -198778756, now seen corresponding path program 6 times [2024-10-17 08:41:11,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:11,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206123276] [2024-10-17 08:41:11,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:11,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:41:12,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:12,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206123276] [2024-10-17 08:41:12,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206123276] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:12,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409903862] [2024-10-17 08:41:12,306 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 08:41:12,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:12,311 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:12,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 08:41:12,418 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-10-17 08:41:12,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:12,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-17 08:41:12,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:12,706 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 124 treesize of output 80 [2024-10-17 08:41:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:12,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:13,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:13,132 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 61 treesize of output 37 [2024-10-17 08:41:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:13,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409903862] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:13,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:13,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 33 [2024-10-17 08:41:13,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862710775] [2024-10-17 08:41:13,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:13,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-17 08:41:13,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:13,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-17 08:41:13,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2024-10-17 08:41:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:13,436 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:13,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0303030303030303) internal successors, (100), 33 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:15,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 08:41:15,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:15,249 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:41:15,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:15,250 INFO L85 PathProgramCache]: Analyzing trace with hash -330501621, now seen corresponding path program 7 times [2024-10-17 08:41:15,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:15,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086340141] [2024-10-17 08:41:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:15,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:41:17,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:17,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086340141] [2024-10-17 08:41:17,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086340141] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:17,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470252622] [2024-10-17 08:41:17,366 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 08:41:17,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:17,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:17,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:17,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-17 08:41:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:17,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-17 08:41:17,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:18,198 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 185 treesize of output 101 [2024-10-17 08:41:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:18,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:19,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:19,053 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 163 treesize of output 91 [2024-10-17 08:41:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:19,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470252622] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:19,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:19,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 14] total 43 [2024-10-17 08:41:19,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447587048] [2024-10-17 08:41:19,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:19,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-17 08:41:19,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:19,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-17 08:41:19,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1636, Unknown=0, NotChecked=0, Total=1806 [2024-10-17 08:41:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:19,616 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:19,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.558139534883721) internal successors, (110), 43 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 08:41:23,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-17 08:41:23,474 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,SelfDestructingSolverStorable11 [2024-10-17 08:41:23,475 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:41:23,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1433323141, now seen corresponding path program 8 times [2024-10-17 08:41:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:23,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492426113] [2024-10-17 08:41:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:23,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492426113] [2024-10-17 08:41:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492426113] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456884203] [2024-10-17 08:41:23,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 08:41:23,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:23,578 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:23,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 08:41:23,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 08:41:23,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:23,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-17 08:41:23,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:23,724 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 08:41:23,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456884203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 08:41:23,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 08:41:23,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-10-17 08:41:23,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099873235] [2024-10-17 08:41:23,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 08:41:23,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 08:41:23,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:23,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 08:41:23,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-17 08:41:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:23,726 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:23,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:23,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 08:41:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:24,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-17 08:41:24,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:24,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-17 08:41:24,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:24,457 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 08:41:24,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:24,458 INFO L85 PathProgramCache]: Analyzing trace with hash -937233482, now seen corresponding path program 9 times [2024-10-17 08:41:24,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:24,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209194207] [2024-10-17 08:41:24,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:24,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:24,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209194207] [2024-10-17 08:41:24,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209194207] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:24,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750836502] [2024-10-17 08:41:24,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 08:41:24,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:24,571 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:24,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 08:41:24,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-17 08:41:24,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:24,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-17 08:41:24,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:24,803 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 08:41:24,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750836502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 08:41:24,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 08:41:24,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-10-17 08:41:24,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650030161] [2024-10-17 08:41:24,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 08:41:24,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 08:41:24,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 08:41:24,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-17 08:41:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:24,805 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:24,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:24,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:24,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 08:41:24,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-17 08:41:24,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:24,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:25,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:25,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:25,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-17 08:41:25,582 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,SelfDestructingSolverStorable13 [2024-10-17 08:41:25,583 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 1 more)] === [2024-10-17 08:41:25,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 748777067, now seen corresponding path program 1 times [2024-10-17 08:41:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:25,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679800667] [2024-10-17 08:41:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:25,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:26,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:26,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679800667] [2024-10-17 08:41:26,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679800667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:26,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266251815] [2024-10-17 08:41:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:26,046 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:26,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-17 08:41:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:26,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-17 08:41:26,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:26,292 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 126 treesize of output 82 [2024-10-17 08:41:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:26,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:27,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:27,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 20 [2024-10-17 08:41:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:27,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266251815] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:27,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:27,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2024-10-17 08:41:27,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506825519] [2024-10-17 08:41:27,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:27,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-17 08:41:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:27,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-17 08:41:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2024-10-17 08:41:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:27,111 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:27,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:27,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:27,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:27,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:28,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-17 08:41:28,269 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,SelfDestructingSolverStorable14 [2024-10-17 08:41:28,269 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 1 more)] === [2024-10-17 08:41:28,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:28,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1822886930, now seen corresponding path program 2 times [2024-10-17 08:41:28,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:28,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055347870] [2024-10-17 08:41:28,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:28,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:28,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:28,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055347870] [2024-10-17 08:41:28,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055347870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:28,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445140647] [2024-10-17 08:41:28,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 08:41:28,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:28,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:28,906 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:28,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-17 08:41:29,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 08:41:29,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:29,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-17 08:41:29,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:29,297 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 114 treesize of output 74 [2024-10-17 08:41:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 08:41:29,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:30,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:30,006 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 80 treesize of output 48 [2024-10-17 08:41:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:30,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445140647] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:30,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:30,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 11] total 31 [2024-10-17 08:41:30,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702708708] [2024-10-17 08:41:30,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:30,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-17 08:41:30,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:30,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-17 08:41:30,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=839, Unknown=0, NotChecked=0, Total=930 [2024-10-17 08:41:30,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:30,273 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:30,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.3548387096774195) internal successors, (104), 31 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:30,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:33,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-10-17 08:41:33,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-17 08:41:33,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-17 08:41:33,527 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 1 more)] === [2024-10-17 08:41:33,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:33,528 INFO L85 PathProgramCache]: Analyzing trace with hash 298093909, now seen corresponding path program 3 times [2024-10-17 08:41:33,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:33,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169471296] [2024-10-17 08:41:33,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:33,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 08:41:33,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:33,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169471296] [2024-10-17 08:41:33,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169471296] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:33,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700172213] [2024-10-17 08:41:33,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 08:41:33,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:33,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:33,954 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:33,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-17 08:41:34,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-17 08:41:34,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:34,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-17 08:41:34,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:34,254 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 150 treesize of output 98 [2024-10-17 08:41:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 08:41:34,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:34,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:34,685 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 169 treesize of output 89 [2024-10-17 08:41:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 08:41:34,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700172213] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:34,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:34,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 24 [2024-10-17 08:41:34,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741702602] [2024-10-17 08:41:34,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:34,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-17 08:41:34,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:34,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-17 08:41:34,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-10-17 08:41:34,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:34,782 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:34,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.0) internal successors, (96), 24 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:34,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-10-17 08:41:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-17 08:41:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 08:41:36,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-17 08:41:37,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-17 08:41:37,122 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 1 more)] === [2024-10-17 08:41:37,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash -922560076, now seen corresponding path program 4 times [2024-10-17 08:41:37,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:37,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019592148] [2024-10-17 08:41:37,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:37,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:41:37,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:37,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019592148] [2024-10-17 08:41:37,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019592148] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:37,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308985611] [2024-10-17 08:41:37,928 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 08:41:37,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:37,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:37,933 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:37,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-17 08:41:38,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 08:41:38,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:38,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-17 08:41:38,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:38,318 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 163 treesize of output 91 [2024-10-17 08:41:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:38,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:38,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:38,893 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 59 treesize of output 35 [2024-10-17 08:41:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:39,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308985611] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:39,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:39,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 11] total 34 [2024-10-17 08:41:39,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045195532] [2024-10-17 08:41:39,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:39,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-17 08:41:39,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:39,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-17 08:41:39,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1015, Unknown=0, NotChecked=0, Total=1122 [2024-10-17 08:41:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:39,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:39,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.235294117647059) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:39,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 08:41:39,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-17 08:41:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 08:41:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-17 08:41:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 08:41:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-17 08:41:42,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-17 08:41:42,838 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,SelfDestructingSolverStorable17 [2024-10-17 08:41:42,839 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 1 more)] === [2024-10-17 08:41:42,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:42,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1985661211, now seen corresponding path program 5 times [2024-10-17 08:41:42,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:42,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878973277] [2024-10-17 08:41:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:42,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 08:41:43,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:43,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878973277] [2024-10-17 08:41:43,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878973277] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:43,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346652738] [2024-10-17 08:41:43,427 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 08:41:43,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:43,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:43,429 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:43,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-17 08:41:43,590 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-10-17 08:41:43,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:43,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-17 08:41:43,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:43,873 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 151 treesize of output 85 [2024-10-17 08:41:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 08:41:44,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:44,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 08:41:44,319 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 168 treesize of output 88 [2024-10-17 08:41:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:44,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346652738] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:44,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:44,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 10] total 34 [2024-10-17 08:41:44,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152223564] [2024-10-17 08:41:44,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:44,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-17 08:41:44,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:44,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-17 08:41:44,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2024-10-17 08:41:44,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:44,517 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:44,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.6470588235294117) internal successors, (124), 34 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) [2024-10-17 08:41:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:44,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-17 08:41:44,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 08:41:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-17 08:41:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-17 08:41:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-17 08:41:46,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-17 08:41:46,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:46,645 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 1 more)] === [2024-10-17 08:41:46,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 08:41:46,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1267913122, now seen corresponding path program 6 times [2024-10-17 08:41:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 08:41:46,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503577751] [2024-10-17 08:41:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 08:41:46,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 08:41:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 08:41:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 08:41:47,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 08:41:47,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503577751] [2024-10-17 08:41:47,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503577751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 08:41:47,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929912565] [2024-10-17 08:41:47,859 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 08:41:47,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:41:47,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 08:41:47,860 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 08:41:47,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-17 08:41:47,983 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-10-17 08:41:47,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 08:41:47,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-10-17 08:41:47,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 08:41:48,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-17 08:41:48,970 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 236 treesize of output 152 [2024-10-17 08:41:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 08:41:50,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 08:41:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 08:41:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929912565] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 08:41:53,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 08:41:53,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 18] total 57 [2024-10-17 08:41:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189494397] [2024-10-17 08:41:53,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 08:41:53,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-17 08:41:53,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 08:41:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-17 08:41:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=2941, Unknown=0, NotChecked=0, Total=3192 [2024-10-17 08:41:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:53,188 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 08:41:53,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.263157894736842) internal successors, (129), 57 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-17 08:41:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-17 08:41:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:42:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 08:42:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 08:42:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 08:42:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:42:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 08:42:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 08:42:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-17 08:42:19,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-17 08:42:19,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-17 08:42:19,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-17 08:42:19,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 08:42:19,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-17 08:42:20,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 08:42:20,143 INFO L414 BasicCegarLoop]: Path program histogram: [9, 6, 2, 1, 1, 1] [2024-10-17 08:42:20,145 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 08:42:20,145 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 08:42:20,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 08:42:20 BasicIcfg [2024-10-17 08:42:20,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 08:42:20,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 08:42:20,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 08:42:20,148 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 08:42:20,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 08:40:48" (3/4) ... [2024-10-17 08:42:20,150 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 08:42:20,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-17 08:42:20,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-17 08:42:20,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-17 08:42:20,161 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 142 nodes and edges [2024-10-17 08:42:20,162 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-10-17 08:42:20,162 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-17 08:42:20,162 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-17 08:42:20,242 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 08:42:20,242 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 08:42:20,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 08:42:20,243 INFO L158 Benchmark]: Toolchain (without parser) took 93022.30ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 111.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 198.7MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,243 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 137.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 08:42:20,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.01ms. Allocated memory is still 180.4MB. Free memory was 111.2MB in the beginning and 144.5MB in the end (delta: -33.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.37ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 141.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,243 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,243 INFO L158 Benchmark]: RCFGBuilder took 855.06ms. Allocated memory is still 180.4MB. Free memory was 139.2MB in the beginning and 130.7MB in the end (delta: 8.6MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,244 INFO L158 Benchmark]: TraceAbstraction took 91651.13ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 129.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 209.5MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,244 INFO L158 Benchmark]: Witness Printer took 94.23ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-17 08:42:20,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 137.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.01ms. Allocated memory is still 180.4MB. Free memory was 111.2MB in the beginning and 144.5MB in the end (delta: -33.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.37ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 141.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.06ms. Allocated memory is still 180.4MB. Free memory was 139.2MB in the beginning and 130.7MB in the end (delta: 8.6MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 91651.13ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 129.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 209.5MB. Max. memory is 16.1GB. * Witness Printer took 94.23ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20963, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5654, dependent conditional: 5649, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15314, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15314, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15314, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 686, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 409, dependent conditional: 0, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15319, independent: 14677, independent conditional: 0, independent unconditional: 14677, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 637, unknown conditional: 0, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 632, Positive conditional cache size: 0, Positive unconditional cache size: 632, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14555, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 686, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 409, dependent conditional: 0, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15319, independent: 14677, independent conditional: 0, independent unconditional: 14677, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 637, unknown conditional: 0, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 632, Positive conditional cache size: 0, Positive unconditional cache size: 632, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14555 ], Independence queries for same thread: 5649, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 280, Number of trivial persistent sets: 220, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 759, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20963, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5654, dependent conditional: 5649, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15314, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15314, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15314, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 686, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 409, dependent conditional: 0, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15319, independent: 14677, independent conditional: 0, independent unconditional: 14677, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 637, unknown conditional: 0, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 632, Positive conditional cache size: 0, Positive unconditional cache size: 632, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14555, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 14555, independent unconditional: 754, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15319, independent: 15309, independent conditional: 0, independent unconditional: 15309, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 686, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 409, dependent conditional: 0, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15319, independent: 14677, independent conditional: 0, independent unconditional: 14677, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 637, unknown conditional: 0, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 632, Positive conditional cache size: 0, Positive unconditional cache size: 632, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14555 ], Independence queries for same thread: 5649 - PositiveResult [Line: 142]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 91.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 53.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 632, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 31.4s InterpolantComputationTime, 1355 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 1857 ConstructedInterpolants, 13 QuantifiedInterpolants, 33283 SizeOfPredicates, 445 NumberOfNonLiveVariables, 4847 ConjunctsInSsa, 482 ConjunctsInUnsatCore, 52 InterpolantComputations, 5 PerfectInterpolantSequences, 422/1117 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 08:42:20,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-17 08:42:20,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE