./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 13:39:21,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 13:39:21,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 13:39:21,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 13:39:21,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 13:39:21,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 13:39:21,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 13:39:21,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 13:39:21,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 13:39:21,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 13:39:21,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 13:39:21,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 13:39:21,785 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 13:39:21,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 13:39:21,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 13:39:21,786 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 13:39:21,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 13:39:21,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 13:39:21,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 13:39:21,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 13:39:21,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 13:39:21,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 13:39:21,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 13:39:21,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 13:39:21,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 13:39:21,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 13:39:21,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 13:39:21,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 13:39:21,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 13:39:21,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 13:39:21,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:39:21,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 13:39:21,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 13:39:21,793 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 13:39:21,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 13:39:21,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 13:39:21,794 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 13:39:21,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 13:39:21,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 13:39:21,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 13:39:21,795 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 13:39:21,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 13:39:22,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 13:39:22,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 13:39:22,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 13:39:22,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 13:39:22,098 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 13:39:22,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2024-10-18 13:39:23,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 13:39:23,703 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 13:39:23,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2024-10-18 13:39:23,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/950583531/3bc67d4465b348008d03781ef4d62d30/FLAG4e4acc11a [2024-10-18 13:39:23,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/950583531/3bc67d4465b348008d03781ef4d62d30 [2024-10-18 13:39:23,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 13:39:23,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 13:39:23,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 13:39:23,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 13:39:23,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 13:39:23,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:39:23" (1/1) ... [2024-10-18 13:39:23,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19af3ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:23, skipping insertion in model container [2024-10-18 13:39:23,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:39:23" (1/1) ... [2024-10-18 13:39:23,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 13:39:23,988 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3463,3476] [2024-10-18 13:39:23,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:39:24,008 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 13:39:24,032 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3463,3476] [2024-10-18 13:39:24,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:39:24,051 INFO L204 MainTranslator]: Completed translation [2024-10-18 13:39:24,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24 WrapperNode [2024-10-18 13:39:24,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 13:39:24,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 13:39:24,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 13:39:24,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 13:39:24,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,094 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 239 [2024-10-18 13:39:24,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 13:39:24,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 13:39:24,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 13:39:24,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 13:39:24,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 13:39:24,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 13:39:24,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 13:39:24,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 13:39:24,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (1/1) ... [2024-10-18 13:39:24,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:39:24,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:24,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 13:39:24,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 13:39:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 13:39:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 13:39:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 13:39:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 13:39:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 13:39:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 13:39:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 13:39:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 13:39:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 13:39:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 13:39:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 13:39:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 13:39:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 13:39:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 13:39:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 13:39:24,226 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 13:39:24,323 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 13:39:24,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 13:39:24,686 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 13:39:24,687 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 13:39:25,041 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 13:39:25,041 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 13:39:25,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:39:25 BoogieIcfgContainer [2024-10-18 13:39:25,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 13:39:25,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 13:39:25,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 13:39:25,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 13:39:25,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 01:39:23" (1/3) ... [2024-10-18 13:39:25,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e0ee61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:39:25, skipping insertion in model container [2024-10-18 13:39:25,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:24" (2/3) ... [2024-10-18 13:39:25,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e0ee61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:39:25, skipping insertion in model container [2024-10-18 13:39:25,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:39:25" (3/3) ... [2024-10-18 13:39:25,051 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2024-10-18 13:39:25,068 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 13:39:25,069 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 13:39:25,069 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 13:39:25,122 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 13:39:25,172 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 13:39:25,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 13:39:25,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:25,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 13:39:25,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 13:39:25,268 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 13:39:25,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:25,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 13:39:25,299 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;@27d8f8be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 13:39:25,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 13:39:25,978 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)] === [2024-10-18 13:39:25,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:25,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1977988543, now seen corresponding path program 1 times [2024-10-18 13:39:25,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:25,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998038035] [2024-10-18 13:39:25,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:25,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:26,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998038035] [2024-10-18 13:39:26,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998038035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:39:26,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 13:39:26,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 13:39:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229005963] [2024-10-18 13:39:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:39:26,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 13:39:26,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:26,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 13:39:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 13:39:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:26,666 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:26,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:26,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:26,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:26,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 13:39:26,779 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)] === [2024-10-18 13:39:26,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:26,779 INFO L85 PathProgramCache]: Analyzing trace with hash 520712243, now seen corresponding path program 1 times [2024-10-18 13:39:26,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:26,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977438399] [2024-10-18 13:39:26,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:26,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:39:26,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:26,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977438399] [2024-10-18 13:39:26,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977438399] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:39:26,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 13:39:26,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 13:39:26,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011833832] [2024-10-18 13:39:26,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:39:26,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 13:39:26,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:26,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 13:39:26,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 13:39:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:26,987 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:26,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:26,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:26,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:27,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 13:39:27,092 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)] === [2024-10-18 13:39:27,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:27,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1114007446, now seen corresponding path program 1 times [2024-10-18 13:39:27,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:27,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784949207] [2024-10-18 13:39:27,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:27,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:39:27,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784949207] [2024-10-18 13:39:27,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784949207] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467742651] [2024-10-18 13:39:27,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:27,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:27,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:27,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 13:39:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:27,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 13:39:27,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:39:27,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:39:27,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467742651] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:27,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:27,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-18 13:39:27,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224801532] [2024-10-18 13:39:27,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:27,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 13:39:27,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:27,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 13:39:27,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-18 13:39:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:27,874 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:27,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:27,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:27,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:27,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:28,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 13:39:28,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-18 13:39:28,259 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)] === [2024-10-18 13:39:28,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:28,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1397193250, now seen corresponding path program 2 times [2024-10-18 13:39:28,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:28,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794883608] [2024-10-18 13:39:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:28,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:39:28,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794883608] [2024-10-18 13:39:28,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794883608] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472463405] [2024-10-18 13:39:28,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:39:28,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:28,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:28,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:28,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 13:39:28,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:39:28,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:39:28,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-18 13:39:28,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:29,133 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 23 treesize of output 1 [2024-10-18 13:39:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:29,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:30,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:39:30,871 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 194 treesize of output 188 [2024-10-18 13:39:30,955 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 13:39:30,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35 treesize of output 26 [2024-10-18 13:39:31,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:39:31,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 123 treesize of output 101 [2024-10-18 13:39:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:31,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472463405] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:31,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:31,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 15] total 32 [2024-10-18 13:39:31,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719235138] [2024-10-18 13:39:31,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:31,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-18 13:39:31,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:31,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-18 13:39:31,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=886, Unknown=0, NotChecked=0, Total=1056 [2024-10-18 13:39:31,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:31,392 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:31,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.1515151515151514) internal successors, (104), 32 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) [2024-10-18 13:39:31,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:31,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:31,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:31,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:32,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 13:39:32,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:32,673 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)] === [2024-10-18 13:39:32,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:32,674 INFO L85 PathProgramCache]: Analyzing trace with hash 2135422848, now seen corresponding path program 3 times [2024-10-18 13:39:32,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:32,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14535150] [2024-10-18 13:39:32,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:32,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:39:34,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:34,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14535150] [2024-10-18 13:39:34,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14535150] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:34,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072883953] [2024-10-18 13:39:34,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:39:34,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:34,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:34,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:34,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 13:39:34,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 13:39:34,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:39:34,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 13:39:34,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:34,433 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 [2024-10-18 13:39:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-18 13:39:34,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:35,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:39:35,598 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 194 treesize of output 188 [2024-10-18 13:39:35,660 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 13:39:35,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35 treesize of output 26 [2024-10-18 13:39:35,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:39:35,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 123 treesize of output 101 [2024-10-18 13:39:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 13:39:35,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072883953] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:35,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:35,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 12] total 33 [2024-10-18 13:39:35,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868963747] [2024-10-18 13:39:35,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:35,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-18 13:39:35,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:35,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-18 13:39:35,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=979, Unknown=0, NotChecked=0, Total=1122 [2024-10-18 13:39:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:35,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:35,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.411764705882353) internal successors, (116), 33 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:35,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:35,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:35,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:35,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:35,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:37,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 13:39:37,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:37,274 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)] === [2024-10-18 13:39:37,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:37,275 INFO L85 PathProgramCache]: Analyzing trace with hash 108375667, now seen corresponding path program 1 times [2024-10-18 13:39:37,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:37,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931253290] [2024-10-18 13:39:37,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:37,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-18 13:39:37,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:37,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931253290] [2024-10-18 13:39:37,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931253290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:39:37,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 13:39:37,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 13:39:37,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368861538] [2024-10-18 13:39:37,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:39:37,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 13:39:37,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:37,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 13:39:37,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 13:39:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:37,425 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:37,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:37,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 13:39:37,599 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)] === [2024-10-18 13:39:37,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:37,599 INFO L85 PathProgramCache]: Analyzing trace with hash -260148482, now seen corresponding path program 1 times [2024-10-18 13:39:37,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:37,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269792338] [2024-10-18 13:39:37,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:37,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:40,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:40,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269792338] [2024-10-18 13:39:40,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269792338] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:40,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843475829] [2024-10-18 13:39:40,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:40,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:40,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:40,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:40,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 13:39:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:40,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 13:39:40,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:41,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:39:41,160 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 37 treesize of output 30 [2024-10-18 13:39:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 13:39:41,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:41,623 INFO L349 Elim1Store]: treesize reduction 4, result has 95.7 percent of original size [2024-10-18 13:39:41,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 101 [2024-10-18 13:39:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-18 13:39:42,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843475829] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:42,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:42,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16, 11] total 49 [2024-10-18 13:39:42,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961368747] [2024-10-18 13:39:42,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:42,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-18 13:39:42,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:42,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-18 13:39:42,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2024-10-18 13:39:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:42,280 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:42,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.66) internal successors, (133), 49 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:39:45,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 13:39:45,451 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 [2024-10-18 13:39:45,452 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)] === [2024-10-18 13:39:45,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:45,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2102876450, now seen corresponding path program 1 times [2024-10-18 13:39:45,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:45,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216300178] [2024-10-18 13:39:45,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 13:39:47,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:47,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216300178] [2024-10-18 13:39:47,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216300178] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:47,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563649844] [2024-10-18 13:39:47,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:47,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:47,493 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:47,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 13:39:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:47,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-18 13:39:47,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:47,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-10-18 13:39:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 13:39:47,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:47,965 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 13:39:47,966 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 24 treesize of output 11 [2024-10-18 13:39:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-18 13:39:48,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563649844] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:48,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:48,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 5] total 28 [2024-10-18 13:39:48,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399217928] [2024-10-18 13:39:48,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:48,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-18 13:39:48,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:48,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-18 13:39:48,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-10-18 13:39:48,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:48,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:48,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.9655172413793105) internal successors, (115), 28 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:48,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:48,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:48,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:48,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 13:39:48,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:48,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:48,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:39:48,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:39:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:39:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:39:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:49,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 13:39:49,737 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 [2024-10-18 13:39:49,737 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)] === [2024-10-18 13:39:49,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:49,738 INFO L85 PathProgramCache]: Analyzing trace with hash -766771962, now seen corresponding path program 2 times [2024-10-18 13:39:49,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:49,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880479363] [2024-10-18 13:39:49,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:49,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 57 proven. 146 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 13:39:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:50,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880479363] [2024-10-18 13:39:50,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880479363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:50,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443100254] [2024-10-18 13:39:50,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:39:50,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:50,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:50,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:50,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 13:39:50,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:39:50,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:39:50,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-18 13:39:50,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 167 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 13:39:51,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 138 proven. 65 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 13:39:51,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443100254] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:51,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:51,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 53 [2024-10-18 13:39:51,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499971004] [2024-10-18 13:39:51,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:51,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-18 13:39:51,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:51,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-18 13:39:53,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1660420981, now seen corresponding path program 1 times [2024-10-18 13:39:53,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:53,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 13:39:54,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:54,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 13:39:54,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-18 13:39:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=2595, Unknown=0, NotChecked=0, Total=3192 [2024-10-18 13:39:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:54,227 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:54,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.807017543859649) internal successors, (274), 57 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:54,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:39:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 13:39:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:39:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:39:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:39:55,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 13:39:55,482 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-18 13:39:55,483 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)] === [2024-10-18 13:39:55,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1848452285, now seen corresponding path program 3 times [2024-10-18 13:39:55,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:55,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676335735] [2024-10-18 13:39:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 24 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:59,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:59,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676335735] [2024-10-18 13:39:59,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676335735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:59,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697364940] [2024-10-18 13:39:59,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:39:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:59,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:59,697 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:39:59,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 13:40:00,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-18 13:40:00,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:40:00,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-18 13:40:00,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:40:00,328 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 [2024-10-18 13:40:00,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:40:00,588 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 34 treesize of output 30 [2024-10-18 13:40:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 44 proven. 51 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-18 13:40:00,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:40:15,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:40:15,629 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 159 treesize of output 157 [2024-10-18 13:40:15,667 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:40:15,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 32 [2024-10-18 13:40:15,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:40:15,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 86 treesize of output 80 [2024-10-18 13:40:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 44 proven. 16 refuted. 2 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-18 13:40:15,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697364940] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:40:15,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:40:15,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 14, 12] total 55 [2024-10-18 13:40:15,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825185689] [2024-10-18 13:40:15,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:40:15,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-18 13:40:15,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:40:15,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-18 13:40:15,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=2807, Unknown=7, NotChecked=0, Total=3080 [2024-10-18 13:40:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:40:15,849 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:40:15,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.0892857142857144) internal successors, (173), 55 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:40:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:40:18,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:40:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-18 13:40:18,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-18 13:40:18,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:40:18,391 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)] === [2024-10-18 13:40:18,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:40:18,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1675968779, now seen corresponding path program 4 times [2024-10-18 13:40:18,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:40:18,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121472860] [2024-10-18 13:40:18,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:40:18,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:40:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:40:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:40:37,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:40:37,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121472860] [2024-10-18 13:40:37,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121472860] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:40:37,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811398997] [2024-10-18 13:40:37,474 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:40:37,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:40:37,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:40:37,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:40:37,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 13:40:37,646 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:40:37,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:40:37,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-18 13:40:37,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:40:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 13:40:40,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:40:44,850 INFO L349 Elim1Store]: treesize reduction 218, result has 75.1 percent of original size [2024-10-18 13:40:44,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 217 treesize of output 719 [2024-10-18 13:41:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-18 13:41:13,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811398997] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:41:13,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:41:13,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 30, 23] total 93 [2024-10-18 13:41:13,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359826173] [2024-10-18 13:41:13,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:41:13,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-10-18 13:41:13,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:41:13,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-10-18 13:41:13,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=8168, Unknown=0, NotChecked=0, Total=8742 [2024-10-18 13:41:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:41:13,243 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:41:13,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 2.0638297872340425) internal successors, (194), 93 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-18 13:41:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:41:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:41:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:41:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:41:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-18 13:41:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-18 13:41:29,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 13:41:29,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:41:29,920 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)] === [2024-10-18 13:41:29,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:41:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1441733443, now seen corresponding path program 5 times [2024-10-18 13:41:29,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:41:29,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695079021] [2024-10-18 13:41:29,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:41:29,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:41:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat