./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/fib_safe-6.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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/pthread/fib_safe-6.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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 18:15:27,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 18:15:28,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 18:15:28,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 18:15:28,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 18:15:28,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 18:15:28,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 18:15:28,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 18:15:28,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 18:15:28,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 18:15:28,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 18:15:28,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 18:15:28,030 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 18:15:28,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 18:15:28,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 18:15:28,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 18:15:28,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 18:15:28,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 18:15:28,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 18:15:28,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 18:15:28,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 18:15:28,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 18:15:28,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 18:15:28,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 18:15:28,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 18:15:28,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 18:15:28,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 18:15:28,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 18:15:28,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 18:15:28,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 18:15:28,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:15:28,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 18:15:28,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 18:15:28,036 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 18:15:28,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 18:15:28,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 18:15:28,037 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 18:15:28,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 18:15:28,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 18:15:28,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 18:15:28,038 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 18:15:28,039 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 -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 18:15:28,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 18:15:28,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 18:15:28,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 18:15:28,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 18:15:28,344 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 18:15:28,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-6.i [2024-10-18 18:15:29,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 18:15:30,081 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 18:15:30,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-6.i [2024-10-18 18:15:30,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49a2dbc0c/fc6a8083576d43e2af8fd627170b34a7/FLAGdbb908ece [2024-10-18 18:15:30,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49a2dbc0c/fc6a8083576d43e2af8fd627170b34a7 [2024-10-18 18:15:30,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 18:15:30,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 18:15:30,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 18:15:30,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 18:15:30,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 18:15:30,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:15:30" (1/1) ... [2024-10-18 18:15:30,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e51dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:30, skipping insertion in model container [2024-10-18 18:15:30,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:15:30" (1/1) ... [2024-10-18 18:15:30,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 18:15:30,824 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-6.i[30241,30254] [2024-10-18 18:15:30,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:15:30,870 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 18:15:30,922 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-6.i[30241,30254] [2024-10-18 18:15:30,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:15:31,063 INFO L204 MainTranslator]: Completed translation [2024-10-18 18:15:31,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31 WrapperNode [2024-10-18 18:15:31,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 18:15:31,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 18:15:31,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 18:15:31,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 18:15:31,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,125 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-10-18 18:15:31,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 18:15:31,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 18:15:31,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 18:15:31,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 18:15:31,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 18:15:31,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 18:15:31,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 18:15:31,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 18:15:31,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (1/1) ... [2024-10-18 18:15:31,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:15:31,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:31,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 18:15:31,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 18:15:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-18 18:15:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-18 18:15:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-18 18:15:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-18 18:15:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 18:15:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 18:15:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 18:15:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 18:15:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 18:15:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 18:15:31,258 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 18:15:31,372 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 18:15:31,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 18:15:31,531 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 18:15:31,531 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 18:15:31,643 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 18:15:31,643 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-18 18:15:31,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:15:31 BoogieIcfgContainer [2024-10-18 18:15:31,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 18:15:31,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 18:15:31,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 18:15:31,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 18:15:31,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 06:15:30" (1/3) ... [2024-10-18 18:15:31,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2238c0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:15:31, skipping insertion in model container [2024-10-18 18:15:31,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:15:31" (2/3) ... [2024-10-18 18:15:31,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2238c0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:15:31, skipping insertion in model container [2024-10-18 18:15:31,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:15:31" (3/3) ... [2024-10-18 18:15:31,657 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i [2024-10-18 18:15:31,676 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 18:15:31,676 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 18:15:31,676 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 18:15:31,715 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:15:31,756 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:15:31,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:15:31,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:31,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 18:15:31,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 18:15:31,879 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:15:31,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:31,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:15:31,918 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;@11d9ad98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:15:31,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 18:15:32,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:32,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1703157173, now seen corresponding path program 1 times [2024-10-18 18:15:32,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:32,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054609115] [2024-10-18 18:15:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:33,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:33,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054609115] [2024-10-18 18:15:33,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054609115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:15:33,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:15:33,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:15:33,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656810756] [2024-10-18 18:15:33,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:15:33,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:15:33,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:15:33,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:15:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:33,061 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:33,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:15:33,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:33,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 18:15:33,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:33,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash 311074172, now seen corresponding path program 1 times [2024-10-18 18:15:33,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:33,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680349201] [2024-10-18 18:15:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:33,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:33,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680349201] [2024-10-18 18:15:33,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680349201] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:15:33,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726688018] [2024-10-18 18:15:33,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:33,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:33,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:15:33,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 18:15:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:33,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-18 18:15:33,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:15:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:33,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:15:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:33,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726688018] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:15:33,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:15:33,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-18 18:15:33,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142834451] [2024-10-18 18:15:33,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:15:33,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:15:33,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:33,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:15:33,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:15:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:33,548 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:33,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:15:33,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:33,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:33,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 18:15:33,868 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,SelfDestructingSolverStorable1 [2024-10-18 18:15:33,868 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:33,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:33,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1499777035, now seen corresponding path program 2 times [2024-10-18 18:15:33,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:33,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588359190] [2024-10-18 18:15:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:33,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:34,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:34,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588359190] [2024-10-18 18:15:34,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588359190] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:15:34,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691733138] [2024-10-18 18:15:34,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:15:34,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:34,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:34,060 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:15:34,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 18:15:34,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 18:15:34,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:15:34,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 18:15:34,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:15:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:34,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:15:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:34,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691733138] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:15:34,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:15:34,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-18 18:15:34,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031810370] [2024-10-18 18:15:34,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:15:34,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 18:15:34,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 18:15:34,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-18 18:15:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:34,333 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:34,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:15:34,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:34,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:34,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:34,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 18:15:34,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:34,673 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:34,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:34,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1238457173, now seen corresponding path program 3 times [2024-10-18 18:15:34,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:34,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789680380] [2024-10-18 18:15:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:35,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:35,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789680380] [2024-10-18 18:15:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789680380] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:15:35,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570593496] [2024-10-18 18:15:35,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 18:15:35,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:35,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:35,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:15:35,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 18:15:35,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-18 18:15:35,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:15:35,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 18:15:35,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:15:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:35,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:15:35,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570593496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:15:35,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:15:35,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2024-10-18 18:15:35,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802482788] [2024-10-18 18:15:35,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:15:35,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 18:15:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:35,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 18:15:35,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-18 18:15:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:35,409 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:35,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:15:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:35,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 18:15:35,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:35,817 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:35,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash -858179553, now seen corresponding path program 1 times [2024-10-18 18:15:35,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:35,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990855731] [2024-10-18 18:15:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:35,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:36,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:36,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990855731] [2024-10-18 18:15:36,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990855731] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:15:36,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981124203] [2024-10-18 18:15:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:36,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:36,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:15:36,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 18:15:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:36,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 18:15:36,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:15:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-18 18:15:36,391 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:15:36,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981124203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:15:36,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:15:36,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-10-18 18:15:36,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83023733] [2024-10-18 18:15:36,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:15:36,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 18:15:36,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:36,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 18:15:36,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2024-10-18 18:15:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:36,393 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:36,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 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) [2024-10-18 18:15:36,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:36,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:36,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:36,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:36,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:36,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:36,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 18:15:36,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:36,742 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:36,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:36,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1002281397, now seen corresponding path program 1 times [2024-10-18 18:15:36,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:36,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911940651] [2024-10-18 18:15:36,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:36,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:36,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:36,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911940651] [2024-10-18 18:15:36,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911940651] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:15:36,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214224921] [2024-10-18 18:15:36,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:36,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:36,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:36,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:15:36,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 18:15:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:37,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 18:15:37,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:15:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:37,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:15:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:37,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214224921] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:15:37,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:15:37,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2024-10-18 18:15:37,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764206779] [2024-10-18 18:15:37,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:15:37,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-18 18:15:37,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-18 18:15:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-10-18 18:15:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:37,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:37,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.647058823529412) internal successors, (96), 17 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:15:37,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:37,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:37,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:37,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:37,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:37,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:37,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:37,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:15:37,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 18:15:37,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:37,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:15:37,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:15:37,648 INFO L85 PathProgramCache]: Analyzing trace with hash 404632523, now seen corresponding path program 2 times [2024-10-18 18:15:37,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:15:37,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371462286] [2024-10-18 18:15:37,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:37,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:15:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:39,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:15:39,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371462286] [2024-10-18 18:15:39,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371462286] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:15:39,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052486626] [2024-10-18 18:15:39,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:15:39,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:15:39,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:15:39,564 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:15:39,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 18:15:39,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 18:15:39,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:15:39,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:15:39,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:15:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 28 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:41,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:15:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:15:44,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052486626] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:15:44,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:15:44,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:15:44,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775158958] [2024-10-18 18:15:44,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:15:44,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:15:44,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:15:44,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:15:44,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=910, Invalid=8402, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:15:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:44,281 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:15:44,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:15:44,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:15:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1033872500, now seen corresponding path program 1 times [2024-10-18 18:15:53,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:53,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:53,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:15:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1209574279, now seen corresponding path program 1 times [2024-10-18 18:15:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:55,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:55,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:15:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:56,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1900702590, now seen corresponding path program 1 times [2024-10-18 18:15:56,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:56,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:15:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1988020351, now seen corresponding path program 1 times [2024-10-18 18:15:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:15:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:15:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:15:56,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:15:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:02,313 INFO L85 PathProgramCache]: Analyzing trace with hash 191517219, now seen corresponding path program 1 times [2024-10-18 18:16:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:02,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:02,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:03,353 INFO L85 PathProgramCache]: Analyzing trace with hash 782353287, now seen corresponding path program 1 times [2024-10-18 18:16:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:03,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:03,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:03,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1772221139, now seen corresponding path program 1 times [2024-10-18 18:16:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:03,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:06,247 INFO L85 PathProgramCache]: Analyzing trace with hash -965739540, now seen corresponding path program 1 times [2024-10-18 18:16:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:06,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:16:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:16:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:16:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:16:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:16:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:16:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-10-18 18:16:09,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 18:16:09,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 18:16:09,931 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:16:09,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:16:09,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1656729717, now seen corresponding path program 3 times [2024-10-18 18:16:09,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:16:09,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869062419] [2024-10-18 18:16:09,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:09,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:16:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:16:11,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:16:11,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869062419] [2024-10-18 18:16:11,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869062419] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:16:11,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957556593] [2024-10-18 18:16:11,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 18:16:11,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:16:11,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:16:11,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:16:11,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 18:16:11,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-18 18:16:11,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:16:11,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:16:11,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:16:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 21 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:16:13,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:16:15,186 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:16:15,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957556593] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:16:15,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:16:15,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:16:15,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560782679] [2024-10-18 18:16:15,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:16:15,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:16:15,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:16:15,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:16:15,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=879, Invalid=8433, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:16:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:16:15,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:16:15,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-10-18 18:16:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:16:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1033872450, now seen corresponding path program 1 times [2024-10-18 18:16:22,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:22,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1209574229, now seen corresponding path program 1 times [2024-10-18 18:16:23,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:23,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:24,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1988020400, now seen corresponding path program 1 times [2024-10-18 18:16:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:24,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:24,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:26,109 INFO L85 PathProgramCache]: Analyzing trace with hash 191517268, now seen corresponding path program 1 times [2024-10-18 18:16:26,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:26,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:27,204 INFO L85 PathProgramCache]: Analyzing trace with hash 782353336, now seen corresponding path program 1 times [2024-10-18 18:16:27,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:27,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:27,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:27,994 INFO L85 PathProgramCache]: Analyzing trace with hash -965739496, now seen corresponding path program 1 times [2024-10-18 18:16:27,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:28,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:59,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1313171972, now seen corresponding path program 1 times [2024-10-18 18:16:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:16:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:16:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:16:59,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:16:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:17:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:17:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:17:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:17:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:17:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:17:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:17:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-10-18 18:17:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-10-18 18:17:06,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 18:17:07,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 18:17:07,030 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:17:07,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:17:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash 43248587, now seen corresponding path program 4 times [2024-10-18 18:17:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:17:07,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517468474] [2024-10-18 18:17:07,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:17:07,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:17:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:17:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:17:08,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:17:08,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517468474] [2024-10-18 18:17:08,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517468474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:17:08,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164116298] [2024-10-18 18:17:08,355 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 18:17:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:17:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:17:08,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:17:08,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 18:17:08,480 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 18:17:08,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:17:08,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:17:08,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:17:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 28 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:17:09,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:17:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:17:11,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164116298] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:17:11,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:17:11,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:17:11,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552490572] [2024-10-18 18:17:11,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:17:11,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:17:11,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:17:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:17:11,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=892, Invalid=8420, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:17:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:17:11,930 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:17:11,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-10-18 18:17:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-10-18 18:17:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-10-18 18:17:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-10-18 18:17:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-10-18 18:17:59,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 18:17:59,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:17:59,938 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:17:59,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:17:59,938 INFO L85 PathProgramCache]: Analyzing trace with hash 754733643, now seen corresponding path program 5 times [2024-10-18 18:17:59,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:17:59,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175632329] [2024-10-18 18:17:59,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:17:59,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:17:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:18:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:18:01,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:18:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175632329] [2024-10-18 18:18:01,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175632329] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:18:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139456532] [2024-10-18 18:18:01,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 18:18:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:18:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:18:01,144 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:18:01,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 18:18:01,218 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-10-18 18:18:01,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:18:01,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:18:01,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:18:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 21 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:18:02,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:18:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:18:04,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139456532] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:18:04,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:18:04,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:18:04,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027704446] [2024-10-18 18:18:04,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:18:04,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:18:04,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:18:04,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:18:04,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=916, Invalid=8396, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:18:04,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:18:04,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:18:04,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:18:04,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:18:04,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:18:04,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:18:04,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:18:04,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:18:04,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:18:04,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-10-18 18:18:04,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-10-18 18:18:04,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-10-18 18:18:04,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2024-10-18 18:19:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2024-10-18 18:19:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2024-10-18 18:19:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-10-18 18:19:43,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-18 18:19:43,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-18 18:19:43,656 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:19:43,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:19:43,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2117973377, now seen corresponding path program 6 times [2024-10-18 18:19:43,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:19:43,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623888412] [2024-10-18 18:19:43,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:19:43,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:19:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:19:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:19:44,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:19:44,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623888412] [2024-10-18 18:19:44,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623888412] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:19:44,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913274045] [2024-10-18 18:19:44,821 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 18:19:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:19:44,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:19:44,822 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:19:44,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 18:19:44,897 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-18 18:19:44,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:19:44,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:19:44,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:19:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 21 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:19:46,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:19:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:19:48,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913274045] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:19:48,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:19:48,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:19:48,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534035234] [2024-10-18 18:19:48,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:19:48,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:19:48,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:19:48,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:19:48,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=883, Invalid=8429, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:19:48,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:19:48,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:19:48,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:19:48,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2024-10-18 18:19:48,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2024-10-18 18:19:48,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 284 states. [2024-10-18 18:19:48,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-10-18 18:19:48,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 424 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2024-10-18 18:23:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2024-10-18 18:23:03,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-18 18:23:03,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:23:03,590 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:23:03,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:23:03,591 INFO L85 PathProgramCache]: Analyzing trace with hash -269820853, now seen corresponding path program 7 times [2024-10-18 18:23:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:23:03,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854972497] [2024-10-18 18:23:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:23:03,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:23:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:23:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:23:04,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:23:04,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854972497] [2024-10-18 18:23:04,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854972497] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:23:04,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697182486] [2024-10-18 18:23:04,803 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 18:23:04,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:23:04,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:23:04,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:23:04,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 18:23:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:23:04,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:23:04,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:23:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 28 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:23:06,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:23:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:23:08,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697182486] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:23:08,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:23:08,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:23:08,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420633431] [2024-10-18 18:23:08,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:23:08,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:23:08,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:23:08,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:23:08,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=919, Invalid=8393, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:23:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:23:08,403 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:23:08,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:23:08,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:23:08,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 385 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 424 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2024-10-18 18:23:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:24:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 463 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 436 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 333 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2024-10-18 18:24:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-10-18 18:24:56,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-18 18:24:56,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-18 18:24:56,950 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:24:56,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:24:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1212775371, now seen corresponding path program 8 times [2024-10-18 18:24:56,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:24:56,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493265845] [2024-10-18 18:24:56,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:24:56,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:24:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:24:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:24:58,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:24:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493265845] [2024-10-18 18:24:58,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493265845] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:24:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256159168] [2024-10-18 18:24:58,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:24:58,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:24:58,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:24:58,462 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:24:58,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 18:24:58,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 18:24:58,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:24:58,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:24:58,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:25:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 28 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:25:00,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:25:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:25:02,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256159168] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:25:02,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:25:02,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:25:02,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339057488] [2024-10-18 18:25:02,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:25:02,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:25:02,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:25:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:25:02,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=8409, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:25:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:25:02,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:25:02,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 463 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 436 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 333 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-10-18 18:25:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 412 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 448 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 364 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-10-18 18:26:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-10-18 18:26:50,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-18 18:26:50,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-18 18:26:50,682 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:26:50,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:26:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash 850109557, now seen corresponding path program 9 times [2024-10-18 18:26:50,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:26:50,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186840733] [2024-10-18 18:26:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:26:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:26:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:26:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:26:52,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:26:52,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186840733] [2024-10-18 18:26:52,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186840733] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:26:52,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719959463] [2024-10-18 18:26:52,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 18:26:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:26:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:26:52,072 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:26:52,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 18:26:52,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-18 18:26:52,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:26:52,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-18 18:26:52,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:26:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 21 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:26:53,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:26:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:26:55,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719959463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:26:55,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:26:55,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2024-10-18 18:26:55,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425852040] [2024-10-18 18:26:55,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:26:55,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-18 18:26:55,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:26:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-18 18:26:55,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1046, Invalid=8266, Unknown=0, NotChecked=0, Total=9312 [2024-10-18 18:26:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:26:55,517 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:26:55,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.051546391752577) internal successors, (199), 96 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 412 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 448 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 364 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 323 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-10-18 18:26:55,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15