./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 12:29:56,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 12:29:57,069 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 12:29:57,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 12:29:57,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 12:29:57,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 12:29:57,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 12:29:57,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 12:29:57,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 12:29:57,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 12:29:57,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 12:29:57,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 12:29:57,116 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 12:29:57,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 12:29:57,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 12:29:57,118 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 12:29:57,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 12:29:57,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 12:29:57,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 12:29:57,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 12:29:57,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 12:29:57,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 12:29:57,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 12:29:57,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 12:29:57,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 12:29:57,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 12:29:57,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 12:29:57,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 12:29:57,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 12:29:57,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 12:29:57,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:29:57,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 12:29:57,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 12:29:57,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 12:29:57,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 12:29:57,125 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 12:29:57,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 12:29:57,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 12:29:57,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 12:29:57,126 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 12:29:57,126 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 12:29:57,127 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 12:29:57,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 12:29:57,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 12:29:57,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 12:29:57,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 12:29:57,381 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 12:29:57,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2024-10-22 12:29:58,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 12:29:58,967 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 12:29:58,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2024-10-22 12:29:58,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ccda792e1/958615d5114f4b0dad36f8cab91bdcc9/FLAG653aecfa1 [2024-10-22 12:29:58,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ccda792e1/958615d5114f4b0dad36f8cab91bdcc9 [2024-10-22 12:29:58,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 12:29:58,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 12:29:58,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 12:29:58,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 12:29:59,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 12:29:59,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:29:58" (1/1) ... [2024-10-22 12:29:59,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ce7f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59, skipping insertion in model container [2024-10-22 12:29:59,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:29:58" (1/1) ... [2024-10-22 12:29:59,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 12:29:59,213 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2592,2605] [2024-10-22 12:29:59,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:29:59,231 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 12:29:59,255 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2592,2605] [2024-10-22 12:29:59,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:29:59,285 INFO L204 MainTranslator]: Completed translation [2024-10-22 12:29:59,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59 WrapperNode [2024-10-22 12:29:59,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 12:29:59,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-22 12:29:59,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-22 12:29:59,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-22 12:29:59,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,319 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-10-22 12:29:59,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-22 12:29:59,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-22 12:29:59,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-22 12:29:59,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-22 12:29:59,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-22 12:29:59,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-22 12:29:59,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-22 12:29:59,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-22 12:29:59,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (1/1) ... [2024-10-22 12:29:59,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:29:59,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:29:59,369 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) [2024-10-22 12:29:59,371 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 [2024-10-22 12:29:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-22 12:29:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-22 12:29:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-22 12:29:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-22 12:29:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-22 12:29:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-22 12:29:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-22 12:29:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-22 12:29:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-22 12:29:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-22 12:29:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-22 12:29:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-22 12:29:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-22 12:29:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-22 12:29:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-22 12:29:59,409 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-22 12:29:59,486 INFO L238 CfgBuilder]: Building ICFG [2024-10-22 12:29:59,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-22 12:29:59,659 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-22 12:29:59,660 INFO L287 CfgBuilder]: Performing block encoding [2024-10-22 12:29:59,835 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-22 12:29:59,836 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-22 12:29:59,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:29:59 BoogieIcfgContainer [2024-10-22 12:29:59,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-22 12:29:59,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-22 12:29:59,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-22 12:29:59,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-22 12:29:59,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:29:58" (1/3) ... [2024-10-22 12:29:59,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8441e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:29:59, skipping insertion in model container [2024-10-22 12:29:59,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:29:59" (2/3) ... [2024-10-22 12:29:59,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8441e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:29:59, skipping insertion in model container [2024-10-22 12:29:59,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:29:59" (3/3) ... [2024-10-22 12:29:59,843 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2024-10-22 12:29:59,856 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-22 12:29:59,857 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-22 12:29:59,857 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-22 12:29:59,932 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-22 12:29:59,993 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:29:59,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 12:29:59,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:29:59,998 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) [2024-10-22 12:29:59,999 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 [2024-10-22 12:30:00,028 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 12:30:00,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-22 12:30:00,052 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;@315b171f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:30:00,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-22 12:30:00,736 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:00,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:00,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1864329771, now seen corresponding path program 1 times [2024-10-22 12:30:00,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595840919] [2024-10-22 12:30:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-22 12:30:01,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:01,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595840919] [2024-10-22 12:30:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595840919] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977023139] [2024-10-22 12:30:01,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:01,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:01,235 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) [2024-10-22 12:30:01,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-22 12:30:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:01,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-22 12:30:01,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-22 12:30:01,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 12:30:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977023139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:30:01,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 12:30:01,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-10-22 12:30:01,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929813637] [2024-10-22 12:30:01,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:30:01,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-22 12:30:01,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:01,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-22 12:30:01,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-22 12:30:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:01,391 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:01,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:30:01,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:01,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:01,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-22 12:30:01,662 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,SelfDestructingSolverStorable0 [2024-10-22 12:30:01,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:01,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash -594937579, now seen corresponding path program 1 times [2024-10-22 12:30:01,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:01,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561457869] [2024-10-22 12:30:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-22 12:30:01,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:01,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561457869] [2024-10-22 12:30:01,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561457869] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:01,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853062987] [2024-10-22 12:30:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:01,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:01,846 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) [2024-10-22 12:30:01,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-22 12:30:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:01,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-22 12:30:01,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-22 12:30:02,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-22 12:30:02,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853062987] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:02,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:02,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-22 12:30:02,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188409044] [2024-10-22 12:30:02,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:02,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-22 12:30:02,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-22 12:30:02,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-22 12:30:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:02,118 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:02,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:30:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:02,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-22 12:30:02,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:02,485 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:02,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash 101514709, now seen corresponding path program 2 times [2024-10-22 12:30:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:02,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63639458] [2024-10-22 12:30:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-22 12:30:02,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63639458] [2024-10-22 12:30:02,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63639458] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620887302] [2024-10-22 12:30:02,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:30:02,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:02,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:02,648 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) [2024-10-22 12:30:02,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-22 12:30:02,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:30:02,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:02,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-22 12:30:02,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-22 12:30:02,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-22 12:30:02,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620887302] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:02,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:02,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-22 12:30:02,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872038572] [2024-10-22 12:30:02,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:02,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-22 12:30:02,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:02,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-22 12:30:02,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-22 12:30:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:02,884 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:02,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 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) [2024-10-22 12:30:02,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:02,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:02,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:03,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-22 12:30:03,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:03,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:03,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash -809816532, now seen corresponding path program 3 times [2024-10-22 12:30:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:03,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191732951] [2024-10-22 12:30:03,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:30:03,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191732951] [2024-10-22 12:30:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191732951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590249072] [2024-10-22 12:30:03,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:30:03,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:03,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:03,437 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) [2024-10-22 12:30:03,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-22 12:30:03,503 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-22 12:30:03,503 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:03,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-22 12:30:03,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:03,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:03,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590249072] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:03,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:03,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-10-22 12:30:03,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663947538] [2024-10-22 12:30:03,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:03,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-22 12:30:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:03,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-22 12:30:03,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2024-10-22 12:30:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:03,888 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:03,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:30:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:04,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-22 12:30:04,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:04,255 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash 637507116, now seen corresponding path program 4 times [2024-10-22 12:30:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:04,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995779423] [2024-10-22 12:30:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-22 12:30:04,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:04,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995779423] [2024-10-22 12:30:04,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995779423] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:04,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405153061] [2024-10-22 12:30:04,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:30:04,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:04,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:04,458 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) [2024-10-22 12:30:04,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-22 12:30:04,525 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:30:04,525 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:04,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-22 12:30:04,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-22 12:30:04,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-22 12:30:04,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405153061] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:04,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:04,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 25 [2024-10-22 12:30:04,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149109198] [2024-10-22 12:30:04,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:04,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-22 12:30:04,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:04,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-22 12:30:04,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-10-22 12:30:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:04,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:04,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.56) internal successors, (89), 25 states have internal predecessors, (89), 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) [2024-10-22 12:30:04,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:04,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:04,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:04,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:04,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:05,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-22 12:30:05,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:05,896 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:05,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:05,897 INFO L85 PathProgramCache]: Analyzing trace with hash -963989801, now seen corresponding path program 5 times [2024-10-22 12:30:05,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:05,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132629020] [2024-10-22 12:30:05,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-22 12:30:06,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:06,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132629020] [2024-10-22 12:30:06,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132629020] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:06,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88835981] [2024-10-22 12:30:06,169 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:30:06,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:06,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:06,171 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) [2024-10-22 12:30:06,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-22 12:30:06,316 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-22 12:30:06,317 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:06,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-22 12:30:06,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-22 12:30:06,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-22 12:30:06,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88835981] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:06,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:06,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2024-10-22 12:30:06,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274056201] [2024-10-22 12:30:06,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:06,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-22 12:30:06,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:06,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-22 12:30:06,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2024-10-22 12:30:06,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:06,798 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:06,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.6571428571428575) internal successors, (163), 34 states have internal predecessors, (163), 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) [2024-10-22 12:30:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:06,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-22 12:30:07,170 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,SelfDestructingSolverStorable5 [2024-10-22 12:30:07,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:07,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:07,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1914711529, now seen corresponding path program 6 times [2024-10-22 12:30:07,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:07,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657994228] [2024-10-22 12:30:07,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 59 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:07,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657994228] [2024-10-22 12:30:07,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657994228] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118208107] [2024-10-22 12:30:07,767 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 12:30:07,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:07,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:07,770 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) [2024-10-22 12:30:07,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-22 12:30:07,893 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-22 12:30:07,893 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:07,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-22 12:30:07,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-22 12:30:08,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 106 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-22 12:30:08,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118208107] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:08,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:08,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 53 [2024-10-22 12:30:08,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956123779] [2024-10-22 12:30:08,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:08,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-22 12:30:08,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:08,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-22 12:30:08,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=2464, Unknown=0, NotChecked=0, Total=2862 [2024-10-22 12:30:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:08,655 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:08,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.962962962962963) internal successors, (160), 53 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:30:08,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:08,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:08,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:08,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:08,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:08,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:08,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:08,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-22 12:30:09,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:09,141 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:09,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1322314025, now seen corresponding path program 7 times [2024-10-22 12:30:09,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:09,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048539517] [2024-10-22 12:30:09,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:09,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 127 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:09,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:09,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048539517] [2024-10-22 12:30:09,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048539517] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:09,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529673026] [2024-10-22 12:30:09,474 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 12:30:09,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:09,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:09,479 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) [2024-10-22 12:30:09,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-22 12:30:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:09,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-22 12:30:09,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 105 proven. 37 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-22 12:30:09,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-22 12:30:10,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529673026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:10,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:10,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-10-22 12:30:10,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824357683] [2024-10-22 12:30:10,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:10,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-22 12:30:10,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:10,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-22 12:30:10,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=1755, Unknown=0, NotChecked=0, Total=2162 [2024-10-22 12:30:10,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:10,252 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:10,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.723404255319149) internal successors, (175), 46 states have internal predecessors, (175), 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) [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:10,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:10,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:10,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:10,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-22 12:30:10,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:10,598 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:10,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:10,599 INFO L85 PathProgramCache]: Analyzing trace with hash -137860585, now seen corresponding path program 8 times [2024-10-22 12:30:10,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:10,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897178734] [2024-10-22 12:30:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 78 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:30:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:10,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897178734] [2024-10-22 12:30:10,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897178734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:10,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564062820] [2024-10-22 12:30:10,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:30:10,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:10,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:10,985 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) [2024-10-22 12:30:10,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-22 12:30:11,066 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:30:11,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:11,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-22 12:30:11,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 117 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-22 12:30:11,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-22 12:30:12,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564062820] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:12,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:12,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 55 [2024-10-22 12:30:12,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428957553] [2024-10-22 12:30:12,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:12,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-22 12:30:12,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:12,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-22 12:30:12,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=600, Invalid=2480, Unknown=0, NotChecked=0, Total=3080 [2024-10-22 12:30:12,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:12,022 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:12,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.142857142857143) internal successors, (176), 55 states have internal predecessors, (176), 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) [2024-10-22 12:30:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:12,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:12,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:12,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:12,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:12,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:12,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:12,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:12,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-22 12:30:12,359 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,SelfDestructingSolverStorable8 [2024-10-22 12:30:12,360 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:12,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:12,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2074509609, now seen corresponding path program 9 times [2024-10-22 12:30:12,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:12,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560020886] [2024-10-22 12:30:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 21 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:12,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560020886] [2024-10-22 12:30:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560020886] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188075304] [2024-10-22 12:30:12,699 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:30:12,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:12,701 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) [2024-10-22 12:30:12,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-22 12:30:12,871 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-22 12:30:12,871 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:12,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-22 12:30:12,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 96 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:30:13,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 142 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:30:14,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188075304] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:14,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:14,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 22] total 60 [2024-10-22 12:30:14,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472516549] [2024-10-22 12:30:14,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:14,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-10-22 12:30:14,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:14,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-10-22 12:30:14,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=3094, Unknown=0, NotChecked=0, Total=3660 [2024-10-22 12:30:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:14,023 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:14,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.540983606557377) internal successors, (216), 60 states have internal predecessors, (216), 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) [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:14,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:14,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-22 12:30:14,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:14,922 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:14,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1577854633, now seen corresponding path program 10 times [2024-10-22 12:30:14,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:14,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641778982] [2024-10-22 12:30:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:15,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:15,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641778982] [2024-10-22 12:30:15,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641778982] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:15,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943274880] [2024-10-22 12:30:15,417 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:30:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:15,419 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) [2024-10-22 12:30:15,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-22 12:30:15,540 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:30:15,540 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:15,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-22 12:30:15,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-22 12:30:16,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-22 12:30:17,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943274880] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:17,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:17,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 34, 27] total 82 [2024-10-22 12:30:17,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723430534] [2024-10-22 12:30:17,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:17,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-10-22 12:30:17,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:17,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-10-22 12:30:17,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=882, Invalid=5760, Unknown=0, NotChecked=0, Total=6642 [2024-10-22 12:30:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:17,556 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:17,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 3.8536585365853657) internal successors, (316), 82 states have internal predecessors, (316), 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) [2024-10-22 12:30:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:22,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-22 12:30:22,466 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,SelfDestructingSolverStorable10 [2024-10-22 12:30:22,467 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:22,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash 66816188, now seen corresponding path program 11 times [2024-10-22 12:30:22,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:22,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7595460] [2024-10-22 12:30:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 589 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:24,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:24,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7595460] [2024-10-22 12:30:24,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7595460] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:24,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511558534] [2024-10-22 12:30:24,348 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:30:24,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:24,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:24,350 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) [2024-10-22 12:30:24,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-22 12:30:24,865 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-22 12:30:24,865 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:24,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-22 12:30:24,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 962 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:26,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 962 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:27,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511558534] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:27,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:27,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 30, 30] total 118 [2024-10-22 12:30:27,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306410492] [2024-10-22 12:30:27,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:27,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-10-22 12:30:27,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:27,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-10-22 12:30:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1879, Invalid=12163, Unknown=0, NotChecked=0, Total=14042 [2024-10-22 12:30:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:27,786 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:27,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 3.9327731092436973) internal successors, (468), 118 states have internal predecessors, (468), 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) [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:28,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-22 12:30:28,247 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,SelfDestructingSolverStorable11 [2024-10-22 12:30:28,248 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:28,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:28,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1645396156, now seen corresponding path program 12 times [2024-10-22 12:30:28,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:28,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523262875] [2024-10-22 12:30:28,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:28,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 136 proven. 979 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:29,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:29,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523262875] [2024-10-22 12:30:29,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523262875] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:29,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917849812] [2024-10-22 12:30:29,116 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 12:30:29,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:29,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:29,117 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) [2024-10-22 12:30:29,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-22 12:30:30,111 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-10-22 12:30:30,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:30,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-22 12:30:30,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 754 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:31,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 962 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917849812] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:33,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:33,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 111 [2024-10-22 12:30:33,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468354288] [2024-10-22 12:30:33,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:33,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-10-22 12:30:33,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:33,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-10-22 12:30:33,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1498, Invalid=10934, Unknown=0, NotChecked=0, Total=12432 [2024-10-22 12:30:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:33,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:33,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.330357142857143) internal successors, (485), 111 states have internal predecessors, (485), 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) [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:33,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:35,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:35,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:35,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-22 12:30:35,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:35,251 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:35,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:35,251 INFO L85 PathProgramCache]: Analyzing trace with hash 941419633, now seen corresponding path program 13 times [2024-10-22 12:30:35,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:35,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463052320] [2024-10-22 12:30:35,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:35,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1642 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:39,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:39,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463052320] [2024-10-22 12:30:39,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463052320] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:39,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523620199] [2024-10-22 12:30:39,192 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 12:30:39,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:39,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:39,193 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:30:39,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-22 12:30:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:39,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-22 12:30:39,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1318 proven. 223 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-10-22 12:30:41,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1370 proven. 171 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-10-22 12:30:43,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523620199] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:43,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:43,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 41, 41] total 164 [2024-10-22 12:30:43,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985189593] [2024-10-22 12:30:43,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:43,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-10-22 12:30:43,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:43,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-10-22 12:30:43,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4130, Invalid=22930, Unknown=0, NotChecked=0, Total=27060 [2024-10-22 12:30:43,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:43,388 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:43,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.775757575757576) internal successors, (458), 164 states have internal predecessors, (458), 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) [2024-10-22 12:30:43,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:43,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:43,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:30:43,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-22 12:30:43,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:43,962 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:43,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash 228085681, now seen corresponding path program 14 times [2024-10-22 12:30:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:43,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932939006] [2024-10-22 12:30:43,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1642 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:30:47,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:47,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932939006] [2024-10-22 12:30:47,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932939006] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:47,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650908438] [2024-10-22 12:30:47,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:30:47,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:47,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:47,382 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:30:47,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-22 12:30:47,536 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:30:47,537 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:30:47,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-22 12:30:47,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:30:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1378 proven. 217 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-10-22 12:30:49,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:30:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1405 proven. 190 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-10-22 12:30:52,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650908438] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:30:52,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:30:52,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 43, 43] total 169 [2024-10-22 12:30:52,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889734643] [2024-10-22 12:30:52,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:30:52,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-10-22 12:30:52,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:30:52,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-10-22 12:30:52,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4383, Invalid=24347, Unknown=0, NotChecked=0, Total=28730 [2024-10-22 12:30:52,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:52,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:30:52,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 2.7470588235294118) internal successors, (467), 169 states have internal predecessors, (467), 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) [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:52,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:52,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:52,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:30:52,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:30:52,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:30:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:30:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:30:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:30:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:30:52,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-22 12:30:52,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-22 12:30:52,557 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:30:52,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:30:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash -410430351, now seen corresponding path program 15 times [2024-10-22 12:30:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:30:52,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405196314] [2024-10-22 12:30:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:30:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:30:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:30:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1829 proven. 330 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-22 12:30:53,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:30:53,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405196314] [2024-10-22 12:30:53,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405196314] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:30:53,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351849971] [2024-10-22 12:30:53,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:30:53,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:30:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:30:53,814 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:30:53,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-22 12:30:59,999 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-10-22 12:30:59,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:31:00,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-22 12:31:00,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:31:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1950 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:31:01,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:31:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1950 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:31:02,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351849971] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:31:02,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:31:02,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44, 44] total 130 [2024-10-22 12:31:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777270447] [2024-10-22 12:31:02,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:31:02,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-10-22 12:31:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:31:02,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-10-22 12:31:02,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2949, Invalid=14081, Unknown=0, NotChecked=0, Total=17030 [2024-10-22 12:31:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:31:02,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:31:02,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.893129770992366) internal successors, (641), 130 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:31:02,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:31:02,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:31:02,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:02,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:02,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:02,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:31:02,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:31:02,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:31:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:31:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:31:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:31:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:31:03,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-22 12:31:03,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-22 12:31:03,268 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:31:03,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:31:03,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1270409137, now seen corresponding path program 16 times [2024-10-22 12:31:03,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:31:03,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686962005] [2024-10-22 12:31:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:31:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:31:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:31:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1756 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:31:05,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:31:05,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686962005] [2024-10-22 12:31:05,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686962005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:31:05,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209727463] [2024-10-22 12:31:05,633 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:31:05,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:31:05,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:31:05,635 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:31:05,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-22 12:31:05,779 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:31:05,779 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:31:05,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-22 12:31:05,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:31:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 104 proven. 1851 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-22 12:31:09,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:31:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1341 proven. 614 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-22 12:31:12,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209727463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:31:12,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:31:12,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 48] total 179 [2024-10-22 12:31:12,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137275394] [2024-10-22 12:31:12,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:31:12,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-10-22 12:31:12,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:31:12,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-10-22 12:31:12,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4736, Invalid=27126, Unknown=0, NotChecked=0, Total=31862 [2024-10-22 12:31:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:31:12,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:31:12,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 3.4916201117318435) internal successors, (625), 179 states have internal predecessors, (625), 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) [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:31:12,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:31:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:31:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:31:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:31:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:31:25,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-22 12:31:25,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-22 12:31:25,542 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:31:25,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:31:25,542 INFO L85 PathProgramCache]: Analyzing trace with hash -961820644, now seen corresponding path program 17 times [2024-10-22 12:31:25,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:31:25,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405032743] [2024-10-22 12:31:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:31:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:31:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:31:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 2996 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:31:31,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:31:31,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405032743] [2024-10-22 12:31:31,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405032743] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:31:31,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728300485] [2024-10-22 12:31:31,041 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:31:31,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:31:31,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:31:31,042 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:31:31,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-22 12:31:55,114 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2024-10-22 12:31:55,114 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:31:55,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-10-22 12:31:55,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:31:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 3407 proven. 253 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-22 12:31:58,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:32:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 3407 proven. 253 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-22 12:32:00,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728300485] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:32:00,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:32:00,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 48, 48] total 204 [2024-10-22 12:32:00,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076580153] [2024-10-22 12:32:00,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:32:00,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-10-22 12:32:00,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:32:00,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-10-22 12:32:00,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6458, Invalid=35362, Unknown=0, NotChecked=0, Total=41820 [2024-10-22 12:32:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:32:00,735 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:32:00,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.7365853658536587) internal successors, (766), 204 states have internal predecessors, (766), 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) [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:32:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:32:00,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:32:01,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:32:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:32:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:32:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:32:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:32:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:32:01,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-22 12:32:01,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-22 12:32:01,257 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:32:01,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:32:01,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1390036132, now seen corresponding path program 18 times [2024-10-22 12:32:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:32:01,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789185677] [2024-10-22 12:32:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:32:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:32:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:32:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 2996 proven. 863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:32:07,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:32:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789185677] [2024-10-22 12:32:07,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789185677] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:32:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100630261] [2024-10-22 12:32:07,430 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 12:32:07,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:32:07,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:32:07,432 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:32:07,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-22 12:32:59,816 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2024-10-22 12:32:59,816 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:32:59,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-22 12:32:59,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:33:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 3582 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:33:03,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:33:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 3582 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:33:07,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100630261] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:33:07,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:33:07,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 55, 55] total 221 [2024-10-22 12:33:07,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149827807] [2024-10-22 12:33:07,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:33:07,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-10-22 12:33:07,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:33:07,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-10-22 12:33:07,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6981, Invalid=42081, Unknown=0, NotChecked=0, Total=49062 [2024-10-22 12:33:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:33:07,032 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:33:07,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 3.9144144144144146) internal successors, (869), 221 states have internal predecessors, (869), 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) [2024-10-22 12:33:07,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:33:07,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:33:07,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:07,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:33:07,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:33:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:33:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:33:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:33:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:33:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:07,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-22 12:33:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:33:07,506 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:33:07,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:33:07,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1177982948, now seen corresponding path program 19 times [2024-10-22 12:33:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:33:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497624929] [2024-10-22 12:33:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:33:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:33:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:33:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 3106 proven. 941 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:33:11,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:33:11,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497624929] [2024-10-22 12:33:11,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497624929] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:33:11,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028295094] [2024-10-22 12:33:11,296 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 12:33:11,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:33:11,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:33:11,298 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:33:11,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-22 12:33:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:33:11,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-10-22 12:33:11,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:33:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2759 proven. 553 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-10-22 12:33:14,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:33:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2847 proven. 465 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-10-22 12:33:18,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028295094] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:33:18,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:33:18,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 65, 65] total 215 [2024-10-22 12:33:18,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083638157] [2024-10-22 12:33:18,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:33:18,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-10-22 12:33:18,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:33:18,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-10-22 12:33:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8835, Invalid=37605, Unknown=0, NotChecked=0, Total=46440 [2024-10-22 12:33:18,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:33:18,112 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:33:18,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 3.0555555555555554) internal successors, (660), 215 states have internal predecessors, (660), 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) [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:33:18,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:33:18,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:33:18,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:33:18,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:18,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:33:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:18,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-22 12:33:18,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:33:18,576 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:33:18,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:33:18,576 INFO L85 PathProgramCache]: Analyzing trace with hash 498867036, now seen corresponding path program 20 times [2024-10-22 12:33:18,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:33:18,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226267595] [2024-10-22 12:33:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:33:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:33:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:33:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 435 proven. 3644 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:33:20,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:33:20,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226267595] [2024-10-22 12:33:20,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226267595] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:33:20,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663463089] [2024-10-22 12:33:20,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:33:20,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:33:20,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:33:20,990 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:33:20,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-22 12:33:21,216 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:33:21,217 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:33:21,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-10-22 12:33:21,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:33:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 2839 proven. 541 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-22 12:33:24,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:33:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 2884 proven. 496 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-22 12:33:28,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663463089] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:33:28,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:33:28,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 67, 67] total 195 [2024-10-22 12:33:28,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825784913] [2024-10-22 12:33:28,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:33:28,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-10-22 12:33:28,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:33:28,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-10-22 12:33:28,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5483, Invalid=32737, Unknown=0, NotChecked=0, Total=38220 [2024-10-22 12:33:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:33:28,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:33:28,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 3.4744897959183674) internal successors, (681), 195 states have internal predecessors, (681), 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) [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:33:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-22 12:33:31,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-22 12:33:31,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-22 12:33:31,862 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:33:31,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:33:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash -288557796, now seen corresponding path program 21 times [2024-10-22 12:33:31,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:33:31,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157911872] [2024-10-22 12:33:31,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:33:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:33:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:33:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5136 proven. 1291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:33:41,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:33:41,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157911872] [2024-10-22 12:33:41,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157911872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:33:41,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90363810] [2024-10-22 12:33:41,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:33:41,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:33:41,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:33:41,816 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:33:41,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-22 12:37:00,266 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s) [2024-10-22 12:37:00,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:37:00,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-10-22 12:37:00,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:37:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5899 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:37:06,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:37:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5899 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:37:12,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90363810] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:37:12,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:37:12,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [146, 73, 73] total 289 [2024-10-22 12:37:12,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889783451] [2024-10-22 12:37:12,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:37:12,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 290 states [2024-10-22 12:37:12,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:37:12,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants. [2024-10-22 12:37:12,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13175, Invalid=70635, Unknown=0, NotChecked=0, Total=83810 [2024-10-22 12:37:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:37:12,606 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:37:12,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 290 states, 290 states have (on average 3.8448275862068964) internal successors, (1115), 289 states have internal predecessors, (1115), 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) [2024-10-22 12:37:12,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:37:12,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:37:12,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:37:12,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:37:12,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:37:12,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:37:12,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-22 12:37:12,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:37:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:37:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:37:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:37:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:37:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:37:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:37:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:37:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:37:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:37:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:37:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:37:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:37:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:37:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-22 12:37:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:37:13,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-22 12:37:13,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-22 12:37:13,201 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:37:13,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:37:13,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2021905124, now seen corresponding path program 22 times [2024-10-22 12:37:13,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:37:13,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625326563] [2024-10-22 12:37:13,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:37:13,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:37:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:37:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 5278 proven. 1361 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:37:19,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:37:19,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625326563] [2024-10-22 12:37:19,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625326563] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:37:19,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215006806] [2024-10-22 12:37:19,965 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:37:19,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:37:19,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:37:19,966 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:37:19,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-22 12:37:20,190 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:37:20,190 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:37:20,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-10-22 12:37:20,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:37:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 0 proven. 5899 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-10-22 12:37:29,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:37:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 4170 proven. 1729 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-10-22 12:37:37,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215006806] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:37:37,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:37:37,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 114, 81] total 305 [2024-10-22 12:37:37,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394104004] [2024-10-22 12:37:37,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:37:37,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 305 states [2024-10-22 12:37:37,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:37:37,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 305 interpolants. [2024-10-22 12:37:37,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13111, Invalid=79609, Unknown=0, NotChecked=0, Total=92720 [2024-10-22 12:37:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:37:37,549 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:37:37,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 305 states, 305 states have (on average 3.4885245901639346) internal successors, (1064), 305 states have internal predecessors, (1064), 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) [2024-10-22 12:37:37,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:37:37,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:37:37,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:37:37,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:37:37,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:37:37,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:37:37,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:37:37,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-22 12:37:37,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:37:37,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:38:11,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:38:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-10-22 12:38:11,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-22 12:38:12,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:38:12,188 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:38:12,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:38:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash -859746174, now seen corresponding path program 23 times [2024-10-22 12:38:12,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:38:12,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743478474] [2024-10-22 12:38:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:38:12,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:38:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:38:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8546 backedges. 7494 proven. 1008 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-22 12:38:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:38:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743478474] [2024-10-22 12:38:16,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743478474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:38:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139280777] [2024-10-22 12:38:16,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:38:16,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:38:16,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:38:16,596 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:38:16,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process