./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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/mix033_power.oepc_pso.oepc_rmo.oepc.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 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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 [2024-10-19 01:26:27,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 01:26:28,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 01:26:28,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 01:26:28,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 01:26:28,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 01:26:28,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 01:26:28,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 01:26:28,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 01:26:28,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 01:26:28,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 01:26:28,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 01:26:28,073 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 01:26:28,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 01:26:28,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 01:26:28,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 01:26:28,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 01:26:28,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 01:26:28,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 01:26:28,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 01:26:28,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 01:26:28,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 01:26:28,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 01:26:28,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 01:26:28,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 01:26:28,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 01:26:28,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 01:26:28,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 01:26:28,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 01:26:28,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 01:26:28,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:26:28,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 01:26:28,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 01:26:28,085 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 01:26:28,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 01:26:28,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 01:26:28,086 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 01:26:28,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 01:26:28,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 01:26:28,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 01:26:28,087 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 01:26:28,087 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 -> 7ebc335b60b8cdd623e40ee7c2c99e8e082656d42f1fdf6911dd5259073d8a45 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 -> SLEEP_SET 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 [2024-10-19 01:26:28,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 01:26:28,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 01:26:28,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 01:26:28,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 01:26:28,364 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 01:26:28,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:26:29,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 01:26:30,055 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 01:26:30,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:26:30,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7f879e703/b58dc1cae7ee46ee91eebd08b0016cc2/FLAG7fde4c5a8 [2024-10-19 01:26:30,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7f879e703/b58dc1cae7ee46ee91eebd08b0016cc2 [2024-10-19 01:26:30,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 01:26:30,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 01:26:30,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 01:26:30,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 01:26:30,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 01:26:30,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4faa720c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30, skipping insertion in model container [2024-10-19 01:26:30,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 01:26:30,397 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/mix033_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-19 01:26:30,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:26:30,633 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 01:26:30,645 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/mix033_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-19 01:26:30,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:26:30,761 INFO L204 MainTranslator]: Completed translation [2024-10-19 01:26:30,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30 WrapperNode [2024-10-19 01:26:30,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 01:26:30,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 01:26:30,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 01:26:30,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 01:26:30,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,824 INFO L138 Inliner]: procedures = 175, calls = 50, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2024-10-19 01:26:30,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 01:26:30,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 01:26:30,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 01:26:30,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 01:26:30,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 01:26:30,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 01:26:30,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 01:26:30,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 01:26:30,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (1/1) ... [2024-10-19 01:26:30,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:26:30,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:26:30,900 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) [2024-10-19 01:26:30,904 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 [2024-10-19 01:26:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 01:26:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 01:26:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 01:26:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 01:26:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 01:26:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 01:26:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 01:26:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 01:26:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 01:26:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 01:26:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 01:26:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 01:26:30,957 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 01:26:31,091 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 01:26:31,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 01:26:31,432 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 01:26:31,432 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 01:26:31,658 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 01:26:31,660 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 01:26:31,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:26:31 BoogieIcfgContainer [2024-10-19 01:26:31,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 01:26:31,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 01:26:31,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 01:26:31,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 01:26:31,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 01:26:30" (1/3) ... [2024-10-19 01:26:31,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797095fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:26:31, skipping insertion in model container [2024-10-19 01:26:31,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:26:30" (2/3) ... [2024-10-19 01:26:31,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797095fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:26:31, skipping insertion in model container [2024-10-19 01:26:31,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:26:31" (3/3) ... [2024-10-19 01:26:31,672 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:26:31,687 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 01:26:31,687 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 01:26:31,688 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 01:26:31,744 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 01:26:31,791 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 01:26:31,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 01:26:31,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:26:31,794 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) [2024-10-19 01:26:31,796 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 [2024-10-19 01:26:31,907 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 01:26:31,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:26:31,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 01:26:31,936 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;@2d8ad190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 01:26:31,936 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 01:26:52,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 01:26:52,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:26:52,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1458493216, now seen corresponding path program 1 times [2024-10-19 01:26:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:26:52,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274912758] [2024-10-19 01:26:52,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:26:53,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:26:53,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:26:53,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274912758] [2024-10-19 01:26:53,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274912758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:26:53,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:26:53,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:26:53,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457886706] [2024-10-19 01:26:53,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:26:53,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:26:53,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:26:53,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:26:53,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:26:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:26:53,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:26:53,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:26:53,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:26:56,578 INFO L85 PathProgramCache]: Analyzing trace with hash -710249085, now seen corresponding path program 1 times [2024-10-19 01:26:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:26:56,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:26:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:26:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:26:56,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 01:26:56,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 01:26:56,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:26:56,861 INFO L85 PathProgramCache]: Analyzing trace with hash -599261896, now seen corresponding path program 1 times [2024-10-19 01:26:56,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:26:56,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13847268] [2024-10-19 01:26:56,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:56,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:26:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:26:57,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:26:57,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13847268] [2024-10-19 01:26:57,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13847268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:26:57,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:26:57,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:26:57,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103655304] [2024-10-19 01:26:57,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:26:57,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 01:26:57,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:26:57,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:26:57,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-19 01:26:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:26:57,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:26:57,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:26:57,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:26:57,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:26:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash -710249078, now seen corresponding path program 1 times [2024-10-19 01:26:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:26:57,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:26:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:26:57,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1979745745, now seen corresponding path program 1 times [2024-10-19 01:26:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:57,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:26:57,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:26:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:26:58,689 INFO L85 PathProgramCache]: Analyzing trace with hash -460244848, now seen corresponding path program 1 times [2024-10-19 01:26:58,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:58,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:26:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:26:59,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:26:59,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:26:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:27:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:27:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:27:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:27:00,429 INFO L85 PathProgramCache]: Analyzing trace with hash -710249057, now seen corresponding path program 1 times [2024-10-19 01:27:00,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:27:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:27:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:27:00,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:27:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:27:00,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1979745766, now seen corresponding path program 1 times [2024-10-19 01:27:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:27:00,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:27:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:27:00,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:27:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:27:43,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2075180635, now seen corresponding path program 1 times [2024-10-19 01:27:43,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:27:43,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:27:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:27:43,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:27:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:28:12,452 INFO L85 PathProgramCache]: Analyzing trace with hash -486709676, now seen corresponding path program 1 times [2024-10-19 01:28:12,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:28:12,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:28:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:28:12,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:28:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:28:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:28:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:28:12,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-19 01:28:12,653 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 01:28:12,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:28:12,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1515035900, now seen corresponding path program 2 times [2024-10-19 01:28:12,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:28:12,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855154024] [2024-10-19 01:28:12,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:28:12,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:28:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:28:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:28:12,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:28:12,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855154024] [2024-10-19 01:28:12,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855154024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:28:12,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:28:12,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:28:12,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335537344] [2024-10-19 01:28:12,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:28:12,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:28:12,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:28:12,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:28:12,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:28:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:28:12,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:28:12,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:28:12,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:28:12,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:28:12,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:28:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2075180685, now seen corresponding path program 1 times [2024-10-19 01:28:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:28:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:28:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:28:36,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:28:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:28:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash -486709630, now seen corresponding path program 1 times [2024-10-19 01:28:53,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:28:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:28:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:28:53,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:28:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:29:10,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1400873557, now seen corresponding path program 1 times [2024-10-19 01:29:10,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:29:10,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:29:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:29:10,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:29:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:30:26,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1803916778, now seen corresponding path program 1 times [2024-10-19 01:30:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:30:26,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:30:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:30:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:30:26,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:30:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:30:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:30:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:30:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 01:30:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-19 01:32:24,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1479038831, now seen corresponding path program 1 times [2024-10-19 01:32:24,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:32:24,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:32:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:32:24,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:32:24,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:32:24,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:32:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:32:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:32:24,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 01:32:24,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-19 01:36:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash -896396604, now seen corresponding path program 1 times [2024-10-19 01:36:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:36:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:36:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:36:14,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:36:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:37:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:37:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:37:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:37:39,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-19 01:37:39,364 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 01:37:39,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:37:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1748333464, now seen corresponding path program 3 times [2024-10-19 01:37:39,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:37:39,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543385156] [2024-10-19 01:37:39,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:37:39,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:37:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:37:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:37:39,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:37:39,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543385156] [2024-10-19 01:37:39,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543385156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:37:39,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:37:39,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:37:39,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706986495] [2024-10-19 01:37:39,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:37:39,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:37:39,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:37:39,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:37:39,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:37:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:37:39,650 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:37:39,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:37:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:37:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:37:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:37:39,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15