./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix030_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/mix030_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 a6d0914923ba77f2cbf67d52dc6ec759519359118cb2f8fd5f254f95bf2b938e --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 01:22:06,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 01:22:06,715 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 01:22:06,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 01:22:06,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 01:22:06,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 01:22:06,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 01:22:06,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 01:22:06,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 01:22:06,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 01:22:06,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 01:22:06,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 01:22:06,742 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 01:22:06,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 01:22:06,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 01:22:06,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 01:22:06,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 01:22:06,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 01:22:06,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 01:22:06,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 01:22:06,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 01:22:06,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 01:22:06,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 01:22:06,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 01:22:06,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 01:22:06,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 01:22:06,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 01:22:06,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 01:22:06,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 01:22:06,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 01:22:06,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:22:06,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 01:22:06,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 01:22:06,749 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 01:22:06,750 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 01:22:06,752 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 -> a6d0914923ba77f2cbf67d52dc6ec759519359118cb2f8fd5f254f95bf2b938e 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 01:22:06,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 01:22:06,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 01:22:06,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 01:22:06,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 01:22:06,979 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 01:22:06,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:22:08,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 01:22:08,512 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 01:22:08,513 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:22:08,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8d2164075/5dfa3758aee640ad9638b0334ad4d9f5/FLAGb6316c342 [2024-10-19 01:22:08,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8d2164075/5dfa3758aee640ad9638b0334ad4d9f5 [2024-10-19 01:22:08,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 01:22:08,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 01:22:08,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 01:22:08,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 01:22:08,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 01:22:08,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:22:08" (1/1) ... [2024-10-19 01:22:08,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629fb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:08, skipping insertion in model container [2024-10-19 01:22:08,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:22:08" (1/1) ... [2024-10-19 01:22:08,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 01:22:08,790 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/mix030_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-19 01:22:09,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:22:09,019 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 01:22:09,034 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/mix030_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-19 01:22:09,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:22:09,094 INFO L204 MainTranslator]: Completed translation [2024-10-19 01:22:09,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09 WrapperNode [2024-10-19 01:22:09,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 01:22:09,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 01:22:09,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 01:22:09,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 01:22:09,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,144 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2024-10-19 01:22:09,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 01:22:09,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 01:22:09,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 01:22:09,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 01:22:09,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 01:22:09,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 01:22:09,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 01:22:09,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 01:22:09,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (1/1) ... [2024-10-19 01:22:09,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:22:09,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:22:09,216 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 01:22:09,219 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 01:22:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 01:22:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 01:22:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 01:22:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 01:22:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 01:22:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 01:22:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 01:22:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 01:22:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-19 01:22:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-19 01:22:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 01:22:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 01:22:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 01:22:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 01:22:09,258 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 01:22:09,411 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 01:22:09,413 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 01:22:09,703 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 01:22:09,703 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 01:22:09,881 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 01:22:09,881 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 01:22:09,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:22:09 BoogieIcfgContainer [2024-10-19 01:22:09,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 01:22:09,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 01:22:09,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 01:22:09,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 01:22:09,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 01:22:08" (1/3) ... [2024-10-19 01:22:09,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb9c766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:22:09, skipping insertion in model container [2024-10-19 01:22:09,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:22:09" (2/3) ... [2024-10-19 01:22:09,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb9c766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:22:09, skipping insertion in model container [2024-10-19 01:22:09,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:22:09" (3/3) ... [2024-10-19 01:22:09,893 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:22:09,911 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 01:22:09,911 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 01:22:09,911 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 01:22:09,954 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 01:22:10,024 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 01:22:10,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 01:22:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:22:10,029 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 01:22:10,034 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 01:22:10,130 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 01:22:10,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:22:10,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 01:22:10,156 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;@c5e03a2, 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 01:22:10,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-19 01:22:42,458 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)] === [2024-10-19 01:22:42,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:22:42,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1328113351, now seen corresponding path program 1 times [2024-10-19 01:22:42,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:22:42,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864249273] [2024-10-19 01:22:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:42,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:22:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:22:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:22:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864249273] [2024-10-19 01:22:43,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864249273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:22:43,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:22:43,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:22:43,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003251090] [2024-10-19 01:22:43,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:22:43,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 01:22:43,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:22:43,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 01:22:43,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-19 01:22:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:22:43,182 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:22:43,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:22:43,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:22:45,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1446249559, now seen corresponding path program 1 times [2024-10-19 01:22:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:46,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:22:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:22:46,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 01:22:46,244 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)] === [2024-10-19 01:22:46,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:22:46,245 INFO L85 PathProgramCache]: Analyzing trace with hash -165699931, now seen corresponding path program 1 times [2024-10-19 01:22:46,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:22:46,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689833160] [2024-10-19 01:22:46,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:22:46,584 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 01:22:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:22:46,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689833160] [2024-10-19 01:22:46,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689833160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:22:46,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:22:46,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:22:46,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226870461] [2024-10-19 01:22:46,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:22:46,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 01:22:46,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:22:46,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:22:46,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-19 01:22:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:22:46,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:22:46,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:22:46,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:22:46,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:22:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1446249566, now seen corresponding path program 1 times [2024-10-19 01:22:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:46,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:22:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash -197827350, now seen corresponding path program 1 times [2024-10-19 01:22:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:46,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:22:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:47,746 INFO L85 PathProgramCache]: Analyzing trace with hash 182365108, now seen corresponding path program 1 times [2024-10-19 01:22:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:47,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:22:48,082 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 01:22:48,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:22:48,409 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 01:22:48,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 01:22:48,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-19 01:22:48,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1446249585, now seen corresponding path program 1 times [2024-10-19 01:22:48,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:48,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:22:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:48,691 INFO L85 PathProgramCache]: Analyzing trace with hash -197827331, now seen corresponding path program 1 times [2024-10-19 01:22:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:48,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:48,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:22:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:23:40,315 INFO L85 PathProgramCache]: Analyzing trace with hash -218845850, now seen corresponding path program 1 times [2024-10-19 01:23:40,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:23:40,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:23:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:23:40,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:23:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:24:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash 132592200, now seen corresponding path program 1 times [2024-10-19 01:24:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:24:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:24:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:24:17,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:24:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:24:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:24:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:24:17,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-19 01:24:17,778 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)] === [2024-10-19 01:24:17,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:24:17,778 INFO L85 PathProgramCache]: Analyzing trace with hash -936002711, now seen corresponding path program 2 times [2024-10-19 01:24:17,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:24:17,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067099398] [2024-10-19 01:24:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:24:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:24:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:24:17,995 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 01:24:17,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:24:17,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067099398] [2024-10-19 01:24:17,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067099398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:24:17,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:24:17,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:24:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402598190] [2024-10-19 01:24:17,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:24:17,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 01:24:17,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:24:18,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:24:18,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-19 01:24:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:24:18,001 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:24:18,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:24:18,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:24:18,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:24:18,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:24:46,839 INFO L85 PathProgramCache]: Analyzing trace with hash -218845790, now seen corresponding path program 1 times [2024-10-19 01:24:46,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:24:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:24:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:24:46,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:24:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:25:08,366 INFO L85 PathProgramCache]: Analyzing trace with hash 132592256, now seen corresponding path program 1 times [2024-10-19 01:25:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:25:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:25:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:25:08,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:25:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:25:28,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1934400160, now seen corresponding path program 1 times [2024-10-19 01:25:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:25:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:25:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:25:28,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:25:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:27:03,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1342461851, now seen corresponding path program 1 times [2024-10-19 01:27:03,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:27:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:27:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:27:03,470 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 01:27:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:27:03,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:27:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:27:03,525 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 01:27:03,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 01:27:03,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 Killed by 15