./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix023_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 23:55:21,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 23:55:21,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 23:55:21,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 23:55:21,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 23:55:21,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 23:55:21,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 23:55:21,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 23:55:21,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 23:55:21,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 23:55:21,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 23:55:21,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 23:55:21,954 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 23:55:21,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 23:55:21,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 23:55:21,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 23:55:21,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 23:55:21,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 23:55:21,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 23:55:21,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 23:55:21,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 23:55:21,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 23:55:21,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 23:55:21,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 23:55:21,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 23:55:21,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 23:55:21,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 23:55:21,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 23:55:21,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 23:55:21,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 23:55:21,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 23:55:21,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 23:55:21,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 23:55:21,959 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 23:55:21,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 23:55:21,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 23:55:21,960 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 23:55:21,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 23:55:21,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 23:55:21,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 23:55:21,961 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 23:55:21,961 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 -> 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR [2024-10-16 23:55:22,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 23:55:22,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 23:55:22,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 23:55:22,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 23:55:22,175 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 23:55:22,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_tso.i [2024-10-16 23:55:23,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 23:55:23,670 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 23:55:23,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_tso.i [2024-10-16 23:55:23,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4c45bc6c/086e64fce4c54437a1d36f8056f7af33/FLAG5567f6599 [2024-10-16 23:55:24,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4c45bc6c/086e64fce4c54437a1d36f8056f7af33 [2024-10-16 23:55:24,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 23:55:24,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 23:55:24,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 23:55:24,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 23:55:24,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 23:55:24,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b66448d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24, skipping insertion in model container [2024-10-16 23:55:24,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 23:55:24,241 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_tso.i[944,957] [2024-10-16 23:55:24,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 23:55:24,516 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 23:55:24,525 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_tso.i[944,957] [2024-10-16 23:55:24,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 23:55:24,640 INFO L204 MainTranslator]: Completed translation [2024-10-16 23:55:24,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24 WrapperNode [2024-10-16 23:55:24,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 23:55:24,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 23:55:24,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 23:55:24,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 23:55:24,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,711 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 273 [2024-10-16 23:55:24,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 23:55:24,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 23:55:24,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 23:55:24,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 23:55:24,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 23:55:24,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 23:55:24,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 23:55:24,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 23:55:24,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (1/1) ... [2024-10-16 23:55:24,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 23:55:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 23:55:24,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 23:55:24,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 23:55:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 23:55:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 23:55:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-16 23:55:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-16 23:55:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-16 23:55:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-16 23:55:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-16 23:55:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-16 23:55:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-16 23:55:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-16 23:55:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 23:55:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 23:55:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 23:55:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 23:55:24,838 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 23:55:24,961 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 23:55:24,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 23:55:25,330 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 23:55:25,330 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 23:55:25,638 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 23:55:25,639 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 23:55:25,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:55:25 BoogieIcfgContainer [2024-10-16 23:55:25,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 23:55:25,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 23:55:25,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 23:55:25,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 23:55:25,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:55:24" (1/3) ... [2024-10-16 23:55:25,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586b1726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:55:25, skipping insertion in model container [2024-10-16 23:55:25,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:24" (2/3) ... [2024-10-16 23:55:25,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586b1726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:55:25, skipping insertion in model container [2024-10-16 23:55:25,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:55:25" (3/3) ... [2024-10-16 23:55:25,648 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_tso.i [2024-10-16 23:55:25,662 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 23:55:25,662 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-16 23:55:25,662 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 23:55:25,731 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 23:55:25,769 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 23:55:25,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 23:55:25,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 23:55:25,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 23:55:25,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 23:55:25,865 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 23:55:25,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 23:55:25,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 23:55:25,885 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;@378d035e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 23:55:25,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-16 23:55:53,429 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 2 more)] === [2024-10-16 23:55:53,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 23:55:53,479 INFO L85 PathProgramCache]: Analyzing trace with hash -400343740, now seen corresponding path program 1 times [2024-10-16 23:55:53,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 23:55:53,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758684413] [2024-10-16 23:55:53,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 23:55:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 23:55:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 23:55:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 23:55:54,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 23:55:54,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758684413] [2024-10-16 23:55:54,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758684413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 23:55:54,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 23:55:54,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-16 23:55:54,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836266230] [2024-10-16 23:55:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 23:55:54,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 23:55:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 23:55:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 23:55:54,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 23:55:54,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 23:55:54,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 23:55:54,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 23:55:54,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 23:56:57,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 23:56:57,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 23:56:57,367 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 2 more)] === [2024-10-16 23:56:57,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 23:56:57,410 INFO L85 PathProgramCache]: Analyzing trace with hash -352428724, now seen corresponding path program 1 times [2024-10-16 23:56:57,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 23:56:57,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106620663] [2024-10-16 23:56:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 23:56:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 23:56:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 23:56:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 23:56:57,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 23:56:57,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106620663] [2024-10-16 23:56:57,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106620663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 23:56:57,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 23:56:57,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-16 23:56:57,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150046183] [2024-10-16 23:56:57,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 23:56:57,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 23:56:57,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 23:56:57,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 23:56:57,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-16 23:56:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 23:56:57,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 23:56:57,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 23:56:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 23:56:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:02:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:02:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:02:26,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 00:02:26,794 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 2 more)] === [2024-10-17 00:02:26,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:02:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash 800474526, now seen corresponding path program 1 times [2024-10-17 00:02:26,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:02:26,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456345075] [2024-10-17 00:02:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:02:26,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:02:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:02:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:02:27,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:02:27,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456345075] [2024-10-17 00:02:27,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456345075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:02:27,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:02:27,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 00:02:27,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145216262] [2024-10-17 00:02:27,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:02:27,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 00:02:27,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:02:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 00:02:27,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-17 00:02:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:02:27,501 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:02:27,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 00:02:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:02:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:02:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:02:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:02:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:02:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:02:27,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-17 00:02:27,680 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 2 more)] === [2024-10-17 00:02:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1879007910, now seen corresponding path program 1 times [2024-10-17 00:02:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:02:27,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:02:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:02:27,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:02:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:02:28,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:02:28,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2094341006, now seen corresponding path program 1 times [2024-10-17 00:02:28,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:02:28,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648101381] [2024-10-17 00:02:28,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:02:28,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:02:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:02:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:02:29,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:02:29,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648101381] [2024-10-17 00:02:29,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648101381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:02:29,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:02:29,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-17 00:02:29,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594520661] [2024-10-17 00:02:29,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:02:29,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-17 00:02:29,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:02:29,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-17 00:02:29,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-17 00:02:29,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:02:29,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:02:29,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 00:02:29,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:02:29,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:02:29,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:02:29,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:02:45,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:02:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:02:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:02:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:02:45,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-10-17 00:02:45,291 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 2 more)] === [2024-10-17 00:02:47,983 INFO L85 PathProgramCache]: Analyzing trace with hash -49954836, now seen corresponding path program 1 times [2024-10-17 00:02:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:02:47,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:02:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:02:48,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:02:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:02:48,133 INFO L85 PathProgramCache]: Analyzing trace with hash -389643368, now seen corresponding path program 1 times [2024-10-17 00:02:48,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:02:48,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:02:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:02:48,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:02:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:02:48,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:02:48,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2121649804, now seen corresponding path program 2 times [2024-10-17 00:02:48,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:02:48,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082736425] [2024-10-17 00:02:48,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:02:48,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:02:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:02:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:02:51,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:02:51,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082736425] [2024-10-17 00:02:51,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082736425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:02:51,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:02:51,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-17 00:02:51,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938975269] [2024-10-17 00:02:51,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:02:51,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-17 00:02:51,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:02:51,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-17 00:02:51,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-17 00:02:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:02:51,650 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:02:51,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 00:02:51,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:02:51,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:02:51,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:02:51,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:02:51,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:05:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:05:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:05:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:05:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:05:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 00:05:08,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-17 00:05:08,982 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 2 more)] === [2024-10-17 00:05:11,398 INFO L85 PathProgramCache]: Analyzing trace with hash 492532518, now seen corresponding path program 1 times [2024-10-17 00:05:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:05:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:05:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:05:11,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:05:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:05:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash 222734826, now seen corresponding path program 1 times [2024-10-17 00:05:11,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:05:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:05:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:05:11,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:05:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:05:11,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:05:11,684 INFO L85 PathProgramCache]: Analyzing trace with hash -121851284, now seen corresponding path program 3 times [2024-10-17 00:05:11,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:05:11,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819075830] [2024-10-17 00:05:11,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:05:11,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:05:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:05:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:05:15,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:05:15,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819075830] [2024-10-17 00:05:15,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819075830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:05:15,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:05:15,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-17 00:05:15,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721745710] [2024-10-17 00:05:15,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:05:15,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-17 00:05:15,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:05:15,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-17 00:05:15,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-17 00:05:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:05:15,152 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:05:15,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 00:05:15,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:05:15,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:05:15,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:05:15,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:05:15,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 00:05:15,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:06:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:06:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:06:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:06:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:06:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 00:06:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 00:06:43,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-17 00:06:43,760 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 2 more)] === [2024-10-17 00:06:46,495 INFO L85 PathProgramCache]: Analyzing trace with hash -342063656, now seen corresponding path program 1 times [2024-10-17 00:06:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:06:46,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:06:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:06:46,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:06:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:07:21,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2014046323, now seen corresponding path program 1 times [2024-10-17 00:07:21,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:07:21,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:07:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:07:21,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:07:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:07:21,357 INFO L85 PathProgramCache]: Analyzing trace with hash 783998999, now seen corresponding path program 1 times [2024-10-17 00:07:21,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:07:21,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:07:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:07:21,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:07:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:07:21,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:07:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash -884399260, now seen corresponding path program 4 times [2024-10-17 00:07:21,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:07:21,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303659942] [2024-10-17 00:07:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:07:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:07:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:07:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:07:26,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:07:26,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303659942] [2024-10-17 00:07:26,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303659942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:07:26,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:07:26,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-17 00:07:26,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662824814] [2024-10-17 00:07:26,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:07:26,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-17 00:07:26,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:07:26,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-17 00:07:26,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-17 00:07:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:07:26,206 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:07:26,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 00:07:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:08:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:08:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:08:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:08:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:08:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 00:08:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 00:08:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 00:08:55,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-17 00:08:55,249 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 2 more)] === [2024-10-17 00:08:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1940287169, now seen corresponding path program 1 times [2024-10-17 00:08:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:08:58,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:08:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:08:58,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:08:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:00,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2069178236, now seen corresponding path program 1 times [2024-10-17 00:09:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:09:00,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:09:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:00,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:09:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash 279974985, now seen corresponding path program 1 times [2024-10-17 00:09:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:09:37,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:09:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:37,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:09:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:37,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1164655299, now seen corresponding path program 1 times [2024-10-17 00:09:37,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:09:37,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:09:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:37,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:09:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:09:37,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:09:37,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1444113940, now seen corresponding path program 5 times [2024-10-17 00:09:37,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:09:37,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367807777] [2024-10-17 00:09:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:09:37,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:09:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:09:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:09:40,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:09:40,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367807777] [2024-10-17 00:09:40,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367807777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:09:40,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:09:40,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-17 00:09:40,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369428786] [2024-10-17 00:09:40,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:09:40,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-17 00:09:40,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:09:40,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-17 00:09:40,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-17 00:09:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:09:40,507 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:09:40,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 00:09:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 00:09:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15