./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix023_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking 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/mix023_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking 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 19:27:08,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 19:27:08,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 19:27:08,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 19:27:08,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 19:27:08,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 19:27:08,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 19:27:08,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 19:27:08,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 19:27:08,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 19:27:08,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 19:27:08,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 19:27:08,645 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 19:27:08,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 19:27:08,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 19:27:08,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 19:27:08,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 19:27:08,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 19:27:08,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 19:27:08,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 19:27:08,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 19:27:08,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 19:27:08,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 19:27:08,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 19:27:08,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 19:27:08,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 19:27:08,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 19:27:08,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 19:27:08,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 19:27:08,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 19:27:08,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:27:08,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 19:27:08,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 19:27:08,657 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 19:27:08,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 19:27:08,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 19:27:08,658 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 19:27:08,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 19:27:08,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 19:27:08,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 19:27:08,660 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 19:27:08,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> 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 19:27:08,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 19:27:08,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 19:27:08,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 19:27:08,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 19:27:08,944 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 19:27:08,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_tso.i [2024-10-18 19:27:10,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 19:27:10,687 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 19:27:10,688 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_tso.i [2024-10-18 19:27:10,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/611452e8a/93695796e80c44ea9002ec2681d61ab7/FLAGf151574ce [2024-10-18 19:27:10,722 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/611452e8a/93695796e80c44ea9002ec2681d61ab7 [2024-10-18 19:27:10,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 19:27:10,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 19:27:10,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 19:27:10,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 19:27:10,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 19:27:10,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:27:10" (1/1) ... [2024-10-18 19:27:10,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d5655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:10, skipping insertion in model container [2024-10-18 19:27:10,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:27:10" (1/1) ... [2024-10-18 19:27:10,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 19:27:11,029 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_tso.i[944,957] [2024-10-18 19:27:11,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:27:11,299 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 19:27:11,312 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_tso.i[944,957] [2024-10-18 19:27:11,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:27:11,427 INFO L204 MainTranslator]: Completed translation [2024-10-18 19:27:11,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11 WrapperNode [2024-10-18 19:27:11,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 19:27:11,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 19:27:11,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 19:27:11,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 19:27:11,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,514 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 273 [2024-10-18 19:27:11,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 19:27:11,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 19:27:11,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 19:27:11,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 19:27:11,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 19:27:11,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 19:27:11,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 19:27:11,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 19:27:11,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (1/1) ... [2024-10-18 19:27:11,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:27:11,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:27:11,630 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 19:27:11,634 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 19:27:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 19:27:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 19:27:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 19:27:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 19:27:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 19:27:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 19:27:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 19:27:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 19:27:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-18 19:27:11,685 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-18 19:27:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 19:27:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 19:27:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 19:27:11,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 19:27:11,689 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 19:27:11,874 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 19:27:11,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 19:27:12,463 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 19:27:12,463 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 19:27:12,941 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 19:27:12,943 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 19:27:12,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:27:12 BoogieIcfgContainer [2024-10-18 19:27:12,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 19:27:12,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 19:27:12,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 19:27:12,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 19:27:12,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 07:27:10" (1/3) ... [2024-10-18 19:27:12,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7046c51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:27:12, skipping insertion in model container [2024-10-18 19:27:12,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:27:11" (2/3) ... [2024-10-18 19:27:12,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7046c51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:27:12, skipping insertion in model container [2024-10-18 19:27:12,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:27:12" (3/3) ... [2024-10-18 19:27:12,953 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_tso.i [2024-10-18 19:27:12,973 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 19:27:12,973 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-18 19:27:12,974 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 19:27:13,050 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 19:27:13,101 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 19:27:13,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 19:27:13,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:27:13,104 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 19:27:13,105 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 19:27:13,214 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 19:27:13,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:27:13,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 19:27:13,245 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;@4a19b805, 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 19:27:13,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 19:27:45,411 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 19:27:45,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:27:45,412 INFO L85 PathProgramCache]: Analyzing trace with hash -400343740, now seen corresponding path program 1 times [2024-10-18 19:27:45,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:27:45,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224452726] [2024-10-18 19:27:45,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:27:45,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:27:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:27:46,442 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 19:27:46,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:27:46,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224452726] [2024-10-18 19:27:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224452726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:27:46,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:27:46,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 19:27:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454364329] [2024-10-18 19:27:46,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:27:46,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 19:27:46,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:27:46,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:27:46,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 19:27:46,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:27:46,478 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:27:46,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:27:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:28:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:28:56,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 19:28:56,802 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 19:28:56,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:28:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash -352428724, now seen corresponding path program 1 times [2024-10-18 19:28:56,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:28:56,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755065811] [2024-10-18 19:28:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:28:56,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:28:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:28:57,375 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 19:28:57,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:28:57,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755065811] [2024-10-18 19:28:57,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755065811] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:28:57,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:28:57,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 19:28:57,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269618227] [2024-10-18 19:28:57,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:28:57,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 19:28:57,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:28:57,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:28:57,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:28:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:28:57,379 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:28:57,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:28:57,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:28:57,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:31:50,849 INFO L85 PathProgramCache]: Analyzing trace with hash -426988245, now seen corresponding path program 1 times [2024-10-18 19:31:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:31:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:31:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:31:51,721 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 19:31:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:31:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:31:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:31:52,357 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 19:31:52,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 19:31:52,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 19:33:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:33:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:33:17,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-18 19:33:17,297 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 19:33:17,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:33:17,298 INFO L85 PathProgramCache]: Analyzing trace with hash 800474526, now seen corresponding path program 1 times [2024-10-18 19:33:17,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:33:17,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831475163] [2024-10-18 19:33:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:17,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:33:17,974 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 19:33:17,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:33:17,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831475163] [2024-10-18 19:33:17,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831475163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:33:17,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:33:17,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 19:33:17,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381518166] [2024-10-18 19:33:17,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:33:17,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 19:33:17,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:33:17,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 19:33:17,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-18 19:33:17,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:33:17,977 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:33:17,978 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 19:33:17,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:33:17,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:33:17,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:33:24,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1879007895, now seen corresponding path program 1 times [2024-10-18 19:33:24,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:24,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:33:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:33:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:33:25,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-18 19:33:25,039 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 19:33:25,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:33:25,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2094341006, now seen corresponding path program 1 times [2024-10-18 19:33:25,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:33:25,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937260569] [2024-10-18 19:33:25,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:25,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:33:28,921 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 19:33:28,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:33:28,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937260569] [2024-10-18 19:33:28,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937260569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:33:28,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:33:28,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-18 19:33:28,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446298766] [2024-10-18 19:33:28,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:33:28,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 19:33:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:33:28,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 19:33:28,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-18 19:33:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:33:28,928 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:33:28,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:33:28,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:33:28,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:33:28,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:33:28,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:33:29,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1879007902, now seen corresponding path program 1 times [2024-10-18 19:33:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash -906301614, now seen corresponding path program 1 times [2024-10-18 19:33:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:33,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1548635052, now seen corresponding path program 1 times [2024-10-18 19:33:33,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:33,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:33,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:57,986 INFO L85 PathProgramCache]: Analyzing trace with hash -49954832, now seen corresponding path program 1 times [2024-10-18 19:33:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:58,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash 275485327, now seen corresponding path program 1 times [2024-10-18 19:34:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:06,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:10,959 INFO L85 PathProgramCache]: Analyzing trace with hash 274709774, now seen corresponding path program 1 times [2024-10-18 19:34:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:10,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:11,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:13,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2002929338, now seen corresponding path program 1 times [2024-10-18 19:34:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:13,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1099516855, now seen corresponding path program 1 times [2024-10-18 19:34:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:13,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:13,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash -73905099, now seen corresponding path program 1 times [2024-10-18 19:34:16,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:16,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:17,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:17,132 INFO L85 PathProgramCache]: Analyzing trace with hash -728204711, now seen corresponding path program 1 times [2024-10-18 19:34:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:17,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:17,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:18,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2079352677, now seen corresponding path program 1 times [2024-10-18 19:34:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:18,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:18,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:18,819 INFO L85 PathProgramCache]: Analyzing trace with hash -207102149, now seen corresponding path program 1 times [2024-10-18 19:34:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:18,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:38,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1802384132, now seen corresponding path program 1 times [2024-10-18 19:34:38,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:38,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:39,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1443614504, now seen corresponding path program 1 times [2024-10-18 19:34:39,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:39,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:39,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:07,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1964932919, now seen corresponding path program 1 times [2024-10-18 19:35:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:35:07,924 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 19:35:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:07,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:35:08,020 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 19:35:08,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:35:08,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:37:53,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1198762209, now seen corresponding path program 1 times [2024-10-18 19:37:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:37:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:37:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:37:53,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:37:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:38:25,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1911398216, now seen corresponding path program 1 times [2024-10-18 19:38:25,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:38:25,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:38:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:38:25,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:38:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:38:41,964 INFO L85 PathProgramCache]: Analyzing trace with hash 876183245, now seen corresponding path program 1 times [2024-10-18 19:38:41,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:38:41,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:38:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:38:42,729 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 19:38:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:38:42,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:38:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:38:43,575 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 19:38:43,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 19:38:43,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-18 19:40:44,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1911398058, now seen corresponding path program 1 times [2024-10-18 19:40:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:40:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:40:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:40:44,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:40:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat Killed by 15