./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix014.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/mix014.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 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd --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 19:07:56,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 19:07:56,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 19:07:56,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 19:07:56,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 19:07:56,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 19:07:56,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 19:07:56,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 19:07:56,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 19:07:56,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 19:07:56,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 19:07:56,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 19:07:56,941 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 19:07:56,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 19:07:56,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 19:07:56,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 19:07:56,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 19:07:56,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 19:07:56,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 19:07:56,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 19:07:56,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 19:07:56,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 19:07:56,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 19:07:56,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 19:07:56,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 19:07:56,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 19:07:56,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 19:07:56,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 19:07:56,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 19:07:56,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 19:07:56,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:07:56,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 19:07:56,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 19:07:56,947 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 19:07:56,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 19:07:56,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 19:07:56,948 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 19:07:56,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 19:07:56,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 19:07:56,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 19:07:56,949 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 19:07:56,950 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 -> 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd 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 19:07:57,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 19:07:57,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 19:07:57,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 19:07:57,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 19:07:57,223 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 19:07:57,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix014.opt.i [2024-10-18 19:07:58,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 19:07:58,840 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 19:07:58,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix014.opt.i [2024-10-18 19:07:58,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f676ae05/27b7568961f44ee494db6e27bf52304d/FLAG3256baae1 [2024-10-18 19:07:59,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f676ae05/27b7568961f44ee494db6e27bf52304d [2024-10-18 19:07:59,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 19:07:59,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 19:07:59,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 19:07:59,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 19:07:59,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 19:07:59,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bfb142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59, skipping insertion in model container [2024-10-18 19:07:59,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 19:07:59,431 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/mix014.opt.i[944,957] [2024-10-18 19:07:59,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:07:59,689 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 19:07:59,702 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/mix014.opt.i[944,957] [2024-10-18 19:07:59,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:07:59,827 INFO L204 MainTranslator]: Completed translation [2024-10-18 19:07:59,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59 WrapperNode [2024-10-18 19:07:59,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 19:07:59,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 19:07:59,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 19:07:59,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 19:07:59,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,901 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 151 [2024-10-18 19:07:59,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 19:07:59,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 19:07:59,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 19:07:59,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 19:07:59,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 19:07:59,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 19:07:59,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 19:07:59,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 19:07:59,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (1/1) ... [2024-10-18 19:07:59,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:07:59,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:07:59,996 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 19:07:59,999 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 19:08:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 19:08:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 19:08:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 19:08:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 19:08:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 19:08:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 19:08:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 19:08:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 19:08:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-18 19:08:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-18 19:08:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 19:08:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 19:08:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 19:08:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 19:08:00,051 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 19:08:00,172 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 19:08:00,174 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 19:08:00,564 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 19:08:00,564 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 19:08:00,772 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 19:08:00,772 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 19:08:00,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:08:00 BoogieIcfgContainer [2024-10-18 19:08:00,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 19:08:00,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 19:08:00,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 19:08:00,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 19:08:00,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 07:07:59" (1/3) ... [2024-10-18 19:08:00,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c56a3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:08:00, skipping insertion in model container [2024-10-18 19:08:00,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:07:59" (2/3) ... [2024-10-18 19:08:00,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c56a3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:08:00, skipping insertion in model container [2024-10-18 19:08:00,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:08:00" (3/3) ... [2024-10-18 19:08:00,784 INFO L112 eAbstractionObserver]: Analyzing ICFG mix014.opt.i [2024-10-18 19:08:00,800 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 19:08:00,800 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 19:08:00,800 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 19:08:00,857 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 19:08:00,903 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 19:08:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 19:08:00,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:08:00,906 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 19:08:00,908 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 19:08:01,002 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 19:08:01,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:08:01,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 19:08:01,033 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;@2a4848a8, 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 19:08:01,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 19:08:12,391 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 19:08:12,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:08:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash -176144446, now seen corresponding path program 1 times [2024-10-18 19:08:12,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:08:12,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635114638] [2024-10-18 19:08:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:12,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:08:13,142 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 19:08:13,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:08:13,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635114638] [2024-10-18 19:08:13,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635114638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:08:13,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:08:13,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 19:08:13,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32977624] [2024-10-18 19:08:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:08:13,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 19:08:13,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:08:13,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 19:08:13,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 19:08:13,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:08:13,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:08:13,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 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) [2024-10-18 19:08:13,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:08:13,473 INFO L85 PathProgramCache]: Analyzing trace with hash 141330588, now seen corresponding path program 1 times [2024-10-18 19:08:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:13,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:08:13,571 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 19:08:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:13,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:08:13,688 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 19:08:13,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:08:13,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:08:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:08:23,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 19:08:23,123 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 19:08:23,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:08:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1846677475, now seen corresponding path program 1 times [2024-10-18 19:08:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:08:23,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393664500] [2024-10-18 19:08:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:08:23,626 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 19:08:23,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:08:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393664500] [2024-10-18 19:08:23,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393664500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:08:23,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:08:23,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 19:08:23,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338723883] [2024-10-18 19:08:23,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:08:23,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 19:08:23,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:08:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 19:08:23,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-18 19:08:23,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:08:23,634 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:08:23,634 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) [2024-10-18 19:08:23,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:08:23,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:08:23,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1908796696, now seen corresponding path program 1 times [2024-10-18 19:08:23,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:23,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:23,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,156 INFO L85 PathProgramCache]: Analyzing trace with hash 868992511, now seen corresponding path program 1 times [2024-10-18 19:08:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:24,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1581065736, now seen corresponding path program 1 times [2024-10-18 19:08:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:24,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,521 INFO L85 PathProgramCache]: Analyzing trace with hash 743740017, now seen corresponding path program 1 times [2024-10-18 19:08:24,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:24,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,727 INFO L85 PathProgramCache]: Analyzing trace with hash -253102800, now seen corresponding path program 1 times [2024-10-18 19:08:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:24,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:24,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,018 INFO L85 PathProgramCache]: Analyzing trace with hash 766550621, now seen corresponding path program 1 times [2024-10-18 19:08:25,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:25,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash -414780090, now seen corresponding path program 1 times [2024-10-18 19:08:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:25,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,460 INFO L85 PathProgramCache]: Analyzing trace with hash 958761411, now seen corresponding path program 1 times [2024-10-18 19:08:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:25,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 723665712, now seen corresponding path program 1 times [2024-10-18 19:08:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:25,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:25,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:08:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:08:29,055 INFO L85 PathProgramCache]: Analyzing trace with hash -9065494, now seen corresponding path program 1 times [2024-10-18 19:08:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:29,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:08:29,116 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 19:08:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:08:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:08:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:08:29,170 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 19:08:29,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:08:29,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 19:09:06,175 INFO L85 PathProgramCache]: Analyzing trace with hash -281036794, now seen corresponding path program 1 times [2024-10-18 19:09:06,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:09:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:09:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:06,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:09:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:54,637 INFO L85 PathProgramCache]: Analyzing trace with hash 506252272, now seen corresponding path program 1 times [2024-10-18 19:09:54,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:09:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:09:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:54,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:09:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:10:30,587 INFO L85 PathProgramCache]: Analyzing trace with hash 491225378, now seen corresponding path program 1 times [2024-10-18 19:10:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:10:30,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:10:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:10:30,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:10:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:10:47,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2095130441, now seen corresponding path program 1 times [2024-10-18 19:10:47,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:10:47,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:10:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:10:47,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:10:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1176084694, now seen corresponding path program 1 times [2024-10-18 19:11:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:11:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:11:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:06,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:11:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1713025691, now seen corresponding path program 1 times [2024-10-18 19:11:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:11:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:11:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:30,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:11:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:51,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1245747513, now seen corresponding path program 1 times [2024-10-18 19:11:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:11:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:11:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:51,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:11:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:12:37,317 INFO L85 PathProgramCache]: Analyzing trace with hash -241537086, now seen corresponding path program 1 times [2024-10-18 19:12:37,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:12:37,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:12:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:12:37,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:12:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:13:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1862976603, now seen corresponding path program 1 times [2024-10-18 19:13:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:13:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:13:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:13:29,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:13:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:13:57,447 INFO L85 PathProgramCache]: Analyzing trace with hash 606105773, now seen corresponding path program 1 times [2024-10-18 19:13:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:13:57,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:13:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:13:57,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:13:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:14:21,846 INFO L85 PathProgramCache]: Analyzing trace with hash -951788734, now seen corresponding path program 1 times [2024-10-18 19:14:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:14:21,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:14:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:14:21,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:14:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:14:51,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1569429373, now seen corresponding path program 1 times [2024-10-18 19:14:51,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:14:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:14:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:14:52,157 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 19:14:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:14:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:14:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:14:52,404 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 19:14:52,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 19:14:52,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-18 19:17:44,507 INFO L85 PathProgramCache]: Analyzing trace with hash 606106790, now seen corresponding path program 1 times [2024-10-18 19:17:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:17:44,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:17:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:17:44,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:17:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:18:24,040 INFO L85 PathProgramCache]: Analyzing trace with hash -113480504, now seen corresponding path program 1 times [2024-10-18 19:18:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:18:24,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:18:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:18:24,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:18:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:18:24,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1112002371, now seen corresponding path program 1 times [2024-10-18 19:18:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:18:24,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:18:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:18:24,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:18:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 19:18:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:18:24,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 19:18:24,263 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 19:18:24,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:18:24,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1065794949, now seen corresponding path program 1 times [2024-10-18 19:18:24,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:18:24,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087199706] [2024-10-18 19:18:24,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:18:24,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:18:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:18:24,571 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 19:18:24,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:18:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087199706] [2024-10-18 19:18:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087199706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:18:24,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:18:24,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 19:18:24,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494918340] [2024-10-18 19:18:24,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:18:24,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 19:18:24,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:18:24,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 19:18:24,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 19:18:24,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:18:24,576 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:18:24,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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) [2024-10-18 19:18:24,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 19:18:24,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:18:24,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:21:09,922 INFO L85 PathProgramCache]: Analyzing trace with hash 606107791, now seen corresponding path program 1 times [2024-10-18 19:21:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:21:09,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:21:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:21:09,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:21:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat Killed by 15