./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix021.opt.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix021.opt.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 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 19:22:49,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 19:22:50,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 19:22:50,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 19:22:50,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 19:22:50,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 19:22:50,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 19:22:50,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 19:22:50,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 19:22:50,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 19:22:50,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 19:22:50,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 19:22:50,106 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 19:22:50,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 19:22:50,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 19:22:50,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 19:22:50,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 19:22:50,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 19:22:50,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 19:22:50,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 19:22:50,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 19:22:50,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 19:22:50,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 19:22:50,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 19:22:50,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 19:22:50,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 19:22:50,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 19:22:50,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 19:22:50,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 19:22:50,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 19:22:50,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:22:50,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 19:22:50,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 19:22:50,114 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 19:22:50,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 19:22:50,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 19:22:50,116 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 19:22:50,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 19:22:50,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 19:22:50,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 19:22:50,116 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 19:22:50,117 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 -> 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 19:22:50,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 19:22:50,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 19:22:50,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 19:22:50,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 19:22:50,376 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 19:22:50,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2024-10-18 19:22:51,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 19:22:52,029 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 19:22:52,030 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2024-10-18 19:22:52,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/47e557534/0e86fa92e1ad4edab831f5cb4cc2847b/FLAGa4e6f9229 [2024-10-18 19:22:52,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/47e557534/0e86fa92e1ad4edab831f5cb4cc2847b [2024-10-18 19:22:52,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 19:22:52,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 19:22:52,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 19:22:52,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 19:22:52,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 19:22:52,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6140b4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52, skipping insertion in model container [2024-10-18 19:22:52,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 19:22:52,348 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/mix021.opt.i[944,957] [2024-10-18 19:22:52,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:22:52,567 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 19:22:52,580 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/mix021.opt.i[944,957] [2024-10-18 19:22:52,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:22:52,678 INFO L204 MainTranslator]: Completed translation [2024-10-18 19:22:52,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52 WrapperNode [2024-10-18 19:22:52,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 19:22:52,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 19:22:52,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 19:22:52,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 19:22:52,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,732 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2024-10-18 19:22:52,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 19:22:52,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 19:22:52,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 19:22:52,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 19:22:52,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 19:22:52,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 19:22:52,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 19:22:52,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 19:22:52,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (1/1) ... [2024-10-18 19:22:52,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:22:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:22:52,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 19:22:52,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 19:22:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 19:22:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 19:22:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 19:22:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 19:22:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 19:22:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 19:22:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 19:22:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 19:22:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-18 19:22:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-18 19:22:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 19:22:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 19:22:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 19:22:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 19:22:52,872 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 19:22:52,993 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 19:22:52,995 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 19:22:53,329 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 19:22:53,330 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 19:22:53,529 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 19:22:53,529 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 19:22:53,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:22:53 BoogieIcfgContainer [2024-10-18 19:22:53,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 19:22:53,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 19:22:53,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 19:22:53,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 19:22:53,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 07:22:52" (1/3) ... [2024-10-18 19:22:53,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0b2e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:22:53, skipping insertion in model container [2024-10-18 19:22:53,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:22:52" (2/3) ... [2024-10-18 19:22:53,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0b2e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:22:53, skipping insertion in model container [2024-10-18 19:22:53,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:22:53" (3/3) ... [2024-10-18 19:22:53,540 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021.opt.i [2024-10-18 19:22:53,558 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 19:22:53,558 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 19:22:53,558 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 19:22:53,612 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 19:22:53,660 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 19:22:53,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 19:22:53,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:22:53,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 19:22:53,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 19:22:53,786 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 19:22:53,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:22:53,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 19:22:53,818 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;@44730e14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 19:22:53,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 19:23:04,982 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)] === [2024-10-18 19:23:04,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:23:04,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1208279968, now seen corresponding path program 1 times [2024-10-18 19:23:04,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:23:04,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589813263] [2024-10-18 19:23:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:23:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:23:05,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:23:05,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589813263] [2024-10-18 19:23:05,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589813263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:23:05,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:23:05,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 19:23:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382154215] [2024-10-18 19:23:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:23:05,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 19:23:05,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:23:05,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 19:23:05,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 19:23:05,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:23:05,831 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:23:05,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:23:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:23:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash -126839232, now seen corresponding path program 1 times [2024-10-18 19:23:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:23:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:23:06,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:23:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:23:06,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:23:06,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:23:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:23:14,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 19:23:14,277 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)] === [2024-10-18 19:23:14,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:23:14,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1236423480, now seen corresponding path program 1 times [2024-10-18 19:23:14,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:23:14,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315038038] [2024-10-18 19:23:14,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:23:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:23:14,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:23:14,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315038038] [2024-10-18 19:23:14,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315038038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:23:14,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:23:14,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 19:23:14,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940091926] [2024-10-18 19:23:14,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:23:14,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 19:23:14,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:23:14,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 19:23:14,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-18 19:23:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:23:14,723 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:23:14,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:23:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:23:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:23:14,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1954799423, now seen corresponding path program 1 times [2024-10-18 19:23:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:14,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1526788767, now seen corresponding path program 1 times [2024-10-18 19:23:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:15,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1735062382, now seen corresponding path program 1 times [2024-10-18 19:23:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1718539004, now seen corresponding path program 1 times [2024-10-18 19:23:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:15,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1191488131, now seen corresponding path program 1 times [2024-10-18 19:23:15,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:15,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:15,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,082 INFO L85 PathProgramCache]: Analyzing trace with hash 520740767, now seen corresponding path program 1 times [2024-10-18 19:23:16,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1878203375, now seen corresponding path program 1 times [2024-10-18 19:23:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1392523388, now seen corresponding path program 1 times [2024-10-18 19:23:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:16,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1014750142, now seen corresponding path program 1 times [2024-10-18 19:23:16,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:16,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:16,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:21,704 INFO L85 PathProgramCache]: Analyzing trace with hash 94033463, now seen corresponding path program 1 times [2024-10-18 19:23:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:21,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:25,509 INFO L85 PathProgramCache]: Analyzing trace with hash 94033466, now seen corresponding path program 1 times [2024-10-18 19:23:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:25,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:23:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:23:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:25,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:23:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:23:25,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:23:25,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 19:23:30,685 INFO L85 PathProgramCache]: Analyzing trace with hash 94033575, now seen corresponding path program 1 times [2024-10-18 19:23:30,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:30,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:30,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:51,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1379936548, now seen corresponding path program 1 times [2024-10-18 19:23:51,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:23:51,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:23:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:23:51,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:23:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:24:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1025537510, now seen corresponding path program 1 times [2024-10-18 19:24:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:24:40,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:24:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:24:40,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:24:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:14,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1218508621, now seen corresponding path program 1 times [2024-10-18 19:25:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:25:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:25:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:14,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:25:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:34,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1624365501, now seen corresponding path program 1 times [2024-10-18 19:25:34,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:25:34,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:25:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:34,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:25:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1993016844, now seen corresponding path program 1 times [2024-10-18 19:25:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:25:54,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:25:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:54,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:25:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:25:59,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2084226642, now seen corresponding path program 1 times [2024-10-18 19:25:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:25:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:25:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:26:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:26:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:26:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:26:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:26:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:26:00,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:26:00,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-18 19:26:27,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1379936222, now seen corresponding path program 1 times [2024-10-18 19:26:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:26:27,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:26:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:26:27,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:26:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:26:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1025537830, now seen corresponding path program 1 times [2024-10-18 19:26:57,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:26:57,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:26:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:26:57,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:26:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:27:44,701 INFO L85 PathProgramCache]: Analyzing trace with hash -186532833, now seen corresponding path program 1 times [2024-10-18 19:27:44,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:27:44,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:27:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:27:44,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:27:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:28:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash 122719860, now seen corresponding path program 1 times [2024-10-18 19:28:48,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:28:48,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:28:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:28:48,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:28:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:29:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1397663806, now seen corresponding path program 1 times [2024-10-18 19:29:50,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:29:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:29:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:29:50,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:29:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:31:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 19:31:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:31:45,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 19:31:45,013 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)] === [2024-10-18 19:31:45,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:31:45,014 INFO L85 PathProgramCache]: Analyzing trace with hash 901718880, now seen corresponding path program 1 times [2024-10-18 19:31:45,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:31:45,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784791793] [2024-10-18 19:31:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:31:45,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:31:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:31:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 19:31:46,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:31:46,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784791793] [2024-10-18 19:31:46,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784791793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:31:46,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:31:46,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 19:31:46,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957826532] [2024-10-18 19:31:46,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:31:46,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 19:31:46,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:31:46,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 19:31:46,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-18 19:31:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:31:46,433 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:31:46,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:31:46,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 19:31:46,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:31:46,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15