./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -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/goblint-regression/13-privatized_04-priv_multi_true.i -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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -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 [2024-10-16 21:06:00,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 21:06:00,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 21:06:00,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 21:06:00,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 21:06:00,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 21:06:00,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 21:06:00,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 21:06:00,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 21:06:00,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 21:06:00,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 21:06:00,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 21:06:00,635 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 21:06:00,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 21:06:00,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 21:06:00,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 21:06:00,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 21:06:00,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 21:06:00,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 21:06:00,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 21:06:00,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 21:06:00,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 21:06:00,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 21:06:00,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 21:06:00,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 21:06:00,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 21:06:00,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 21:06:00,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 21:06:00,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 21:06:00,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 21:06:00,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 21:06:00,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 21:06:00,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 21:06:00,642 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 21:06:00,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 21:06:00,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 21:06:00,642 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 21:06:00,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 21:06:00,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 21:06:00,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 21:06:00,643 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 21:06:00,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-10-16 21:06:00,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 21:06:00,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 21:06:00,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 21:06:00,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 21:06:00,859 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 21:06:00,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-10-16 21:06:02,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 21:06:02,286 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 21:06:02,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-10-16 21:06:02,303 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a29221c17/90c302ad73d049f287363eee433bf680/FLAG34062585d [2024-10-16 21:06:02,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a29221c17/90c302ad73d049f287363eee433bf680 [2024-10-16 21:06:02,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 21:06:02,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 21:06:02,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 21:06:02,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 21:06:02,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 21:06:02,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:06:02" (1/1) ... [2024-10-16 21:06:02,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749f4424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:02, skipping insertion in model container [2024-10-16 21:06:02,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:06:02" (1/1) ... [2024-10-16 21:06:02,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 21:06:02,787 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-10-16 21:06:02,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 21:06:02,959 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 21:06:02,968 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-10-16 21:06:03,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 21:06:03,038 INFO L204 MainTranslator]: Completed translation [2024-10-16 21:06:03,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03 WrapperNode [2024-10-16 21:06:03,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 21:06:03,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 21:06:03,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 21:06:03,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 21:06:03,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,082 INFO L138 Inliner]: procedures = 271, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-16 21:06:03,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 21:06:03,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 21:06:03,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 21:06:03,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 21:06:03,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 21:06:03,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 21:06:03,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 21:06:03,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 21:06:03,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (1/1) ... [2024-10-16 21:06:03,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 21:06:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:03,142 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) [2024-10-16 21:06:03,144 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 [2024-10-16 21:06:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-10-16 21:06:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-10-16 21:06:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-16 21:06:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-16 21:06:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 21:06:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-10-16 21:06:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-10-16 21:06:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-10-16 21:06:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-10-16 21:06:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 21:06:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 21:06:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 21:06:03,182 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 21:06:03,408 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 21:06:03,409 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 21:06:03,565 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 21:06:03,565 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 21:06:03,703 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 21:06:03,703 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-16 21:06:03,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:06:03 BoogieIcfgContainer [2024-10-16 21:06:03,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 21:06:03,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 21:06:03,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 21:06:03,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 21:06:03,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:06:02" (1/3) ... [2024-10-16 21:06:03,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfcdfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:06:03, skipping insertion in model container [2024-10-16 21:06:03,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:06:03" (2/3) ... [2024-10-16 21:06:03,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfcdfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:06:03, skipping insertion in model container [2024-10-16 21:06:03,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:06:03" (3/3) ... [2024-10-16 21:06:03,715 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-10-16 21:06:03,739 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 21:06:03,740 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-16 21:06:03,740 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 21:06:03,779 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 21:06:03,813 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 21:06:03,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 21:06:03,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:03,814 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) [2024-10-16 21:06:03,815 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 [2024-10-16 21:06:03,903 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 21:06:03,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork2 ======== [2024-10-16 21:06:03,921 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;@2fdd5b49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 21:06:03,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-16 21:06:05,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:05,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:05,129 INFO L85 PathProgramCache]: Analyzing trace with hash 758845637, now seen corresponding path program 1 times [2024-10-16 21:06:05,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:05,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300729516] [2024-10-16 21:06:05,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:05,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-16 21:06:05,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:05,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300729516] [2024-10-16 21:06:05,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300729516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:05,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:05,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:05,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058978389] [2024-10-16 21:06:05,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:05,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:05,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:05,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:05,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:05,509 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:05,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-10-16 21:06:05,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:05,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 21:06:05,856 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:05,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:05,856 INFO L85 PathProgramCache]: Analyzing trace with hash 809496849, now seen corresponding path program 1 times [2024-10-16 21:06:05,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:05,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671677622] [2024-10-16 21:06:05,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:05,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-16 21:06:06,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:06,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671677622] [2024-10-16 21:06:06,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671677622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:06,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:06,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:06,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768996635] [2024-10-16 21:06:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:06,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:06,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:06,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:06,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,080 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:06,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-16 21:06:06,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-16 21:06:06,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:06,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:06,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1520581357, now seen corresponding path program 1 times [2024-10-16 21:06:06,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:06,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640611528] [2024-10-16 21:06:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:06,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-16 21:06:06,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:06,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640611528] [2024-10-16 21:06:06,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640611528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:06,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:06,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:06,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094063337] [2024-10-16 21:06:06,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:06,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:06,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:06,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:06,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:06,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-16 21:06:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-16 21:06:06,538 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:06,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:06,539 INFO L85 PathProgramCache]: Analyzing trace with hash 487937830, now seen corresponding path program 2 times [2024-10-16 21:06:06,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:06,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995259404] [2024-10-16 21:06:06,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:06,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-16 21:06:06,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:06,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995259404] [2024-10-16 21:06:06,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995259404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:06,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:06,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:06,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483669627] [2024-10-16 21:06:06,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:06,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:06,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:06,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:06,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,639 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:06,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-16 21:06:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-16 21:06:06,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:06,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash -106841261, now seen corresponding path program 2 times [2024-10-16 21:06:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:06,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446825944] [2024-10-16 21:06:06,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-16 21:06:06,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:06,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446825944] [2024-10-16 21:06:06,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446825944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:06,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:06,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188408769] [2024-10-16 21:06:06,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:06,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:06,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:06,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:06,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:06,872 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:06,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 21:06:06,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:06,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-16 21:06:08,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:08,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:08,197 INFO L85 PathProgramCache]: Analyzing trace with hash -579610683, now seen corresponding path program 1 times [2024-10-16 21:06:08,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:08,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360008912] [2024-10-16 21:06:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:08,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-16 21:06:08,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:08,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360008912] [2024-10-16 21:06:08,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360008912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:08,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:08,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-16 21:06:08,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121234932] [2024-10-16 21:06:08,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:08,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 21:06:08,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:08,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 21:06:08,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-16 21:06:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:08,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:08,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 21:06:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:08,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-16 21:06:08,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:08,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:08,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1481949911, now seen corresponding path program 1 times [2024-10-16 21:06:08,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:08,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142124394] [2024-10-16 21:06:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:08,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-16 21:06:08,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:08,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142124394] [2024-10-16 21:06:08,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142124394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:08,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:08,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 21:06:08,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031419041] [2024-10-16 21:06:08,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:08,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 21:06:08,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:08,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 21:06:08,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-16 21:06:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:08,691 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:08,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-16 21:06:08,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:08,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:08,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:09,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:09,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-16 21:06:09,058 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:09,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1575464623, now seen corresponding path program 2 times [2024-10-16 21:06:09,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:09,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947752492] [2024-10-16 21:06:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 244 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-10-16 21:06:09,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:09,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947752492] [2024-10-16 21:06:09,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947752492] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:06:09,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967307807] [2024-10-16 21:06:09,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 21:06:09,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:09,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:09,309 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) [2024-10-16 21:06:09,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 21:06:09,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 21:06:09,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 21:06:09,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-16 21:06:09,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:06:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-10-16 21:06:09,602 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 21:06:09,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967307807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:09,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 21:06:09,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-16 21:06:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491618168] [2024-10-16 21:06:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:09,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 21:06:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 21:06:09,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-16 21:06:09,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:09,605 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:09,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-10-16 21:06:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:09,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:09,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:09,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:09,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:09,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:09,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-16 21:06:09,870 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,SelfDestructingSolverStorable7 [2024-10-16 21:06:09,870 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:09,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash -726290004, now seen corresponding path program 1 times [2024-10-16 21:06:09,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:09,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188555558] [2024-10-16 21:06:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:09,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 21:06:10,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:10,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188555558] [2024-10-16 21:06:10,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188555558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:10,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:10,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-16 21:06:10,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673098918] [2024-10-16 21:06:10,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:10,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 21:06:10,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:10,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 21:06:10,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-16 21:06:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:10,034 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:10,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2024-10-16 21:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 21:06:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:10,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-16 21:06:10,467 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:10,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1012482869, now seen corresponding path program 1 times [2024-10-16 21:06:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:10,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690581913] [2024-10-16 21:06:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-16 21:06:10,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:10,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690581913] [2024-10-16 21:06:10,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690581913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:10,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:10,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:10,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546118621] [2024-10-16 21:06:10,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:10,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 21:06:10,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:10,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 21:06:10,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-16 21:06:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:10,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:10,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 21:06:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:10,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-16 21:06:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:11,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-16 21:06:11,761 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:11,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1347585195, now seen corresponding path program 1 times [2024-10-16 21:06:11,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785364767] [2024-10-16 21:06:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 907 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2024-10-16 21:06:11,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:11,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785364767] [2024-10-16 21:06:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785364767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:11,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-16 21:06:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091474907] [2024-10-16 21:06:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:11,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 21:06:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:11,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 21:06:11,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-16 21:06:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:11,942 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:11,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:11,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-16 21:06:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:12,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-16 21:06:12,052 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-16 21:06:12,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:12,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1891132109, now seen corresponding path program 2 times [2024-10-16 21:06:12,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:12,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893644488] [2024-10-16 21:06:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:12,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-10-16 21:06:12,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:12,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893644488] [2024-10-16 21:06:12,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893644488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:12,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:12,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521147898] [2024-10-16 21:06:12,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:12,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 21:06:12,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 21:06:12,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-16 21:06:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:12,554 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:12,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:12,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:12,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-16 21:06:12,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:12,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:12,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-16 21:06:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 21:06:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:16,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-16 21:06:16,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-16 21:06:16,068 INFO L414 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1] [2024-10-16 21:06:16,071 INFO L312 ceAbstractionStarter]: Result for error location disposeThread1of1ForFork2 was SAFE (1/2) [2024-10-16 21:06:16,074 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 21:06:16,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 21:06:16,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:16,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 21:06:16,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-16 21:06:16,126 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 21:06:16,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 21:06:16,126 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;@2fdd5b49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 21:06:16,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 21:06:16,738 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)] === [2024-10-16 21:06:16,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:16,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1224123986, now seen corresponding path program 1 times [2024-10-16 21:06:16,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:16,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453528797] [2024-10-16 21:06:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 21:06:16,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:16,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453528797] [2024-10-16 21:06:16,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453528797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:16,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:16,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:16,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121788725] [2024-10-16 21:06:16,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:16,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:16,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:16,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:16,775 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:16,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-16 21:06:16,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:16,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:16,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-16 21:06:16,999 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)] === [2024-10-16 21:06:16,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:16,999 INFO L85 PathProgramCache]: Analyzing trace with hash -943926102, now seen corresponding path program 1 times [2024-10-16 21:06:16,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:16,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138953658] [2024-10-16 21:06:17,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 21:06:17,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:17,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138953658] [2024-10-16 21:06:17,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138953658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:17,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:17,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 21:06:17,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430526185] [2024-10-16 21:06:17,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:17,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 21:06:17,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:17,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 21:06:17,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-16 21:06:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:17,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:17,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-10-16 21:06:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:17,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-16 21:06:17,433 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)] === [2024-10-16 21:06:17,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1893016411, now seen corresponding path program 1 times [2024-10-16 21:06:17,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:17,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364941479] [2024-10-16 21:06:17,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-16 21:06:17,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:17,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364941479] [2024-10-16 21:06:17,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364941479] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:17,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:17,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:06:17,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091714247] [2024-10-16 21:06:17,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:17,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:06:17,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:17,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:06:17,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:06:17,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:17,503 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:17,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-10-16 21:06:17,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:17,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-16 21:06:17,625 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)] === [2024-10-16 21:06:17,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:17,626 INFO L85 PathProgramCache]: Analyzing trace with hash -571744892, now seen corresponding path program 2 times [2024-10-16 21:06:17,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:17,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591731799] [2024-10-16 21:06:17,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:17,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 21:06:17,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:17,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591731799] [2024-10-16 21:06:17,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591731799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:17,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:17,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 21:06:17,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044139314] [2024-10-16 21:06:17,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:17,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 21:06:17,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:17,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 21:06:17,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-16 21:06:17,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:17,709 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:17,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-10-16 21:06:17,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:17,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:17,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:17,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-16 21:06:17,991 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)] === [2024-10-16 21:06:17,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:17,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1302543547, now seen corresponding path program 1 times [2024-10-16 21:06:17,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:17,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112209431] [2024-10-16 21:06:17,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-16 21:06:18,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:18,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112209431] [2024-10-16 21:06:18,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112209431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:18,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:06:18,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-16 21:06:18,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284944362] [2024-10-16 21:06:18,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:18,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 21:06:18,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:18,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 21:06:18,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-16 21:06:18,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:18,246 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:18,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2024-10-16 21:06:18,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:18,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 21:06:18,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:18,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:18,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:18,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-16 21:06:18,618 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)] === [2024-10-16 21:06:18,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:18,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1954216049, now seen corresponding path program 1 times [2024-10-16 21:06:18,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:18,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885123015] [2024-10-16 21:06:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:18,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-16 21:06:18,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885123015] [2024-10-16 21:06:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885123015] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:06:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876889257] [2024-10-16 21:06:18,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:18,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:18,939 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) [2024-10-16 21:06:18,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 21:06:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:19,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-16 21:06:19,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:06:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-16 21:06:19,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 21:06:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-16 21:06:19,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876889257] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 21:06:19,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 21:06:19,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-16 21:06:19,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674605943] [2024-10-16 21:06:19,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 21:06:19,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-16 21:06:19,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:19,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-16 21:06:19,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-16 21:06:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:19,322 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:19,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.09090909090909) internal successors, (243), 11 states have internal predecessors, (243), 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) [2024-10-16 21:06:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:19,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 21:06:19,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-16 21:06:19,733 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)] === [2024-10-16 21:06:19,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:19,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1232462854, now seen corresponding path program 2 times [2024-10-16 21:06:19,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:19,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821537279] [2024-10-16 21:06:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:19,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-16 21:06:20,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:20,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821537279] [2024-10-16 21:06:20,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821537279] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:06:20,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746919809] [2024-10-16 21:06:20,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 21:06:20,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:20,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:20,513 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) [2024-10-16 21:06:20,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-16 21:06:20,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 21:06:20,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 21:06:20,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-16 21:06:20,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:06:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-16 21:06:21,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 21:06:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-16 21:06:21,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746919809] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 21:06:21,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 21:06:21,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-10-16 21:06:21,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002549546] [2024-10-16 21:06:21,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 21:06:21,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-16 21:06:21,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:21,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-16 21:06:21,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-16 21:06:21,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:21,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:21,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 30.523809523809526) internal successors, (641), 21 states have internal predecessors, (641), 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) [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:21,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-16 21:06:21,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-16 21:06:22,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:22,035 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)] === [2024-10-16 21:06:22,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:22,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1305103568, now seen corresponding path program 3 times [2024-10-16 21:06:22,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:22,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115213161] [2024-10-16 21:06:22,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 1314 proven. 5526 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-16 21:06:23,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:23,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115213161] [2024-10-16 21:06:23,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115213161] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:06:23,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295205032] [2024-10-16 21:06:23,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 21:06:23,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:23,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:23,688 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) [2024-10-16 21:06:23,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-16 21:06:23,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-16 21:06:23,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 21:06:24,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 21:06:24,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:06:25,331 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 11 treesize of output 7 [2024-10-16 21:06:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-16 21:06:25,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-16 21:06:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-16 21:06:25,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-16 21:06:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-16 21:06:25,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 21:06:25,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-16 21:06:25,488 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-10-16 21:06:25,490 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 33 treesize of output 25 [2024-10-16 21:06:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-16 21:06:26,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295205032] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 21:06:26,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 21:06:26,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 4, 4] total 27 [2024-10-16 21:06:26,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66125317] [2024-10-16 21:06:26,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 21:06:26,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-16 21:06:26,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:26,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-16 21:06:26,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=471, Unknown=1, NotChecked=0, Total=702 [2024-10-16 21:06:26,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:26,070 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:26,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 29.814814814814813) internal successors, (805), 27 states have internal predecessors, (805), 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) [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-16 21:06:26,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:27,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-16 21:06:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-16 21:06:27,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-16 21:06:27,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:27,808 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)] === [2024-10-16 21:06:27,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:27,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1507367222, now seen corresponding path program 1 times [2024-10-16 21:06:27,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:27,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454615912] [2024-10-16 21:06:27,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5873 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 21:06:29,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:29,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454615912] [2024-10-16 21:06:29,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454615912] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:06:29,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636137210] [2024-10-16 21:06:29,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:29,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:29,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:29,331 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) [2024-10-16 21:06:29,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-16 21:06:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:29,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-16 21:06:29,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:06:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5112 proven. 0 refuted. 0 times theorem prover too weak. 1253 trivial. 0 not checked. [2024-10-16 21:06:30,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 21:06:30,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636137210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:30,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 21:06:30,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [22] total 23 [2024-10-16 21:06:30,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443776812] [2024-10-16 21:06:30,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:30,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-16 21:06:30,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:30,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-16 21:06:30,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=272, Unknown=0, NotChecked=0, Total=506 [2024-10-16 21:06:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:30,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:30,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 32.69230769230769) internal successors, (425), 13 states have internal predecessors, (425), 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) [2024-10-16 21:06:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:30,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-16 21:06:30,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-16 21:06:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 21:06:34,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-16 21:06:35,007 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,SelfDestructingSolverStorable20 [2024-10-16 21:06:35,007 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)] === [2024-10-16 21:06:35,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:06:35,007 INFO L85 PathProgramCache]: Analyzing trace with hash -486239128, now seen corresponding path program 2 times [2024-10-16 21:06:35,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:06:35,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386051789] [2024-10-16 21:06:35,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:06:35,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:06:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:06:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-16 21:06:35,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:06:35,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386051789] [2024-10-16 21:06:35,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386051789] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:06:35,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164288089] [2024-10-16 21:06:35,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 21:06:35,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:06:35,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:06:35,624 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) [2024-10-16 21:06:35,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-16 21:06:36,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 21:06:36,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 21:06:36,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-16 21:06:36,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:06:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-16 21:06:36,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 21:06:36,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164288089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:06:36,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 21:06:36,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-10-16 21:06:36,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208579996] [2024-10-16 21:06:36,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:06:36,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 21:06:36,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:06:36,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 21:06:36,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-16 21:06:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:06:36,123 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:06:36,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-10-16 21:06:36,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:36,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 21:06:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.