./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.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/mix020.opt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --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 01:04:03,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 01:04:03,224 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 01:04:03,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 01:04:03,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 01:04:03,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 01:04:03,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 01:04:03,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 01:04:03,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 01:04:03,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 01:04:03,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 01:04:03,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 01:04:03,281 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 01:04:03,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 01:04:03,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 01:04:03,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 01:04:03,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 01:04:03,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 01:04:03,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 01:04:03,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 01:04:03,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 01:04:03,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 01:04:03,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 01:04:03,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 01:04:03,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 01:04:03,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 01:04:03,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 01:04:03,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 01:04:03,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 01:04:03,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 01:04:03,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:04:03,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 01:04:03,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 01:04:03,287 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 01:04:03,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 01:04:03,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 01:04:03,288 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 01:04:03,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 01:04:03,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 01:04:03,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 01:04:03,290 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 01:04:03,290 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 -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 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 01:04:03,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 01:04:03,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 01:04:03,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 01:04:03,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 01:04:03,547 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 01:04:03,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2024-10-19 01:04:05,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 01:04:05,282 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 01:04:05,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2024-10-19 01:04:05,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/02462de71/db8c6944ff394c159e91631626fa913a/FLAG84c4d885b [2024-10-19 01:04:05,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/02462de71/db8c6944ff394c159e91631626fa913a [2024-10-19 01:04:05,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 01:04:05,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 01:04:05,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 01:04:05,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 01:04:05,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 01:04:05,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:04:05" (1/1) ... [2024-10-19 01:04:05,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf216d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:05, skipping insertion in model container [2024-10-19 01:04:05,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:04:05" (1/1) ... [2024-10-19 01:04:05,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 01:04:05,847 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/mix020.opt.i[944,957] [2024-10-19 01:04:06,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:04:06,098 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 01:04:06,112 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/mix020.opt.i[944,957] [2024-10-19 01:04:06,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:04:06,221 INFO L204 MainTranslator]: Completed translation [2024-10-19 01:04:06,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06 WrapperNode [2024-10-19 01:04:06,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 01:04:06,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 01:04:06,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 01:04:06,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 01:04:06,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,304 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2024-10-19 01:04:06,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 01:04:06,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 01:04:06,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 01:04:06,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 01:04:06,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 01:04:06,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 01:04:06,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 01:04:06,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 01:04:06,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (1/1) ... [2024-10-19 01:04:06,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:04:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:04:06,400 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 01:04:06,402 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 01:04:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 01:04:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 01:04:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 01:04:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 01:04:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 01:04:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 01:04:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 01:04:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 01:04:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-19 01:04:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-19 01:04:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 01:04:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 01:04:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 01:04:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 01:04:06,455 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 01:04:06,592 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 01:04:06,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 01:04:06,943 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 01:04:06,944 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 01:04:07,157 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 01:04:07,158 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 01:04:07,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:04:07 BoogieIcfgContainer [2024-10-19 01:04:07,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 01:04:07,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 01:04:07,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 01:04:07,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 01:04:07,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 01:04:05" (1/3) ... [2024-10-19 01:04:07,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67325f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:04:07, skipping insertion in model container [2024-10-19 01:04:07,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:04:06" (2/3) ... [2024-10-19 01:04:07,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67325f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:04:07, skipping insertion in model container [2024-10-19 01:04:07,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:04:07" (3/3) ... [2024-10-19 01:04:07,171 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2024-10-19 01:04:07,188 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 01:04:07,189 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 01:04:07,189 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 01:04:07,249 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 01:04:07,299 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 01:04:07,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 01:04:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:04:07,302 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 01:04:07,307 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 01:04:07,415 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 01:04:07,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:04:07,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 01:04:07,445 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;@72365df8, 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 01:04:07,446 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-19 01:04:19,065 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 01:04:19,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:04:19,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2115724507, now seen corresponding path program 1 times [2024-10-19 01:04:19,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:04:19,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626781760] [2024-10-19 01:04:19,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:19,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:04:20,159 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 01:04:20,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:04:20,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626781760] [2024-10-19 01:04:20,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626781760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:04:20,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:04:20,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 01:04:20,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846974818] [2024-10-19 01:04:20,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:04:20,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-19 01:04:20,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:04:20,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 01:04:20,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-19 01:04:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:04:20,198 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:04:20,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 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 01:04:20,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:04:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 01:04:29,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-19 01:04:29,734 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 01:04:29,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:04:29,735 INFO L85 PathProgramCache]: Analyzing trace with hash 994170105, now seen corresponding path program 1 times [2024-10-19 01:04:29,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:04:29,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705450551] [2024-10-19 01:04:29,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:29,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:04:30,204 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 01:04:30,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:04:30,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705450551] [2024-10-19 01:04:30,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705450551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:04:30,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:04:30,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:04:30,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369331925] [2024-10-19 01:04:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:04:30,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 01:04:30,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:04:30,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 01:04:30,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-19 01:04:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:04:30,213 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:04:30,213 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 01:04:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 01:04:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:04:30,507 INFO L85 PathProgramCache]: Analyzing trace with hash 895474146, now seen corresponding path program 1 times [2024-10-19 01:04:30,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:30,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:30,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 01:04:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:04:30,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-19 01:04:30,754 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 01:04:30,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:04:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1953557555, now seen corresponding path program 1 times [2024-10-19 01:04:30,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:04:30,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454194509] [2024-10-19 01:04:30,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:30,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:04:31,163 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 01:04:31,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:04:31,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454194509] [2024-10-19 01:04:31,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454194509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:04:31,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:04:31,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:04:31,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248226120] [2024-10-19 01:04:31,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:04:31,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:04:31,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:04:31,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:04:31,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:04:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:04:31,167 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:04:31,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 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 01:04:31,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 01:04:31,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:04:31,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:04:31,370 INFO L85 PathProgramCache]: Analyzing trace with hash 895474153, now seen corresponding path program 1 times [2024-10-19 01:04:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:31,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:31,596 INFO L85 PathProgramCache]: Analyzing trace with hash -381915439, now seen corresponding path program 1 times [2024-10-19 01:04:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:31,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:31,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1099693289, now seen corresponding path program 1 times [2024-10-19 01:04:31,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:31,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,040 INFO L85 PathProgramCache]: Analyzing trace with hash -451114688, now seen corresponding path program 1 times [2024-10-19 01:04:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,192 INFO L85 PathProgramCache]: Analyzing trace with hash -707287889, now seen corresponding path program 1 times [2024-10-19 01:04:32,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash 996235803, now seen corresponding path program 1 times [2024-10-19 01:04:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2041233011, now seen corresponding path program 1 times [2024-10-19 01:04:32,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1131227007, now seen corresponding path program 1 times [2024-10-19 01:04:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:32,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1348980816, now seen corresponding path program 1 times [2024-10-19 01:04:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:32,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:04:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:04:37,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1683044887, now seen corresponding path program 1 times [2024-10-19 01:04:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:04:37,620 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 01:04:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:04:37,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:04:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:04:37,653 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 01:04:37,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 01:04:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 01:05:06,772 INFO L85 PathProgramCache]: Analyzing trace with hash -634789966, now seen corresponding path program 1 times [2024-10-19 01:05:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:05:06,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:05:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:05:06,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:05:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:05:58,873 INFO L85 PathProgramCache]: Analyzing trace with hash -148099076, now seen corresponding path program 1 times [2024-10-19 01:05:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:05:58,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:05:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:05:58,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:05:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:06:35,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1041964352, now seen corresponding path program 1 times [2024-10-19 01:06:35,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:06:35,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:06:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:06:35,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:06:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:06:56,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1140856411, now seen corresponding path program 1 times [2024-10-19 01:06:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:06:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:06:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:06:56,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:06:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:07:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash -590274206, now seen corresponding path program 1 times [2024-10-19 01:07:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:07:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:07:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:07:16,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:07:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:07:38,760 INFO L85 PathProgramCache]: Analyzing trace with hash 312376662, now seen corresponding path program 1 times [2024-10-19 01:07:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:07:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:07:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:07:38,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:07:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:08:00,908 INFO L85 PathProgramCache]: Analyzing trace with hash -454223528, now seen corresponding path program 1 times [2024-10-19 01:08:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:08:00,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:08:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:08:00,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:08:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:08:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1860612194, now seen corresponding path program 1 times [2024-10-19 01:08:47,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:08:47,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:08:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:08:47,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:08:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:09:40,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1005277626, now seen corresponding path program 1 times [2024-10-19 01:09:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:09:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:09:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:09:40,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:09:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:32,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1478189897, now seen corresponding path program 1 times [2024-10-19 01:10:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:32,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:32,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:10:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash 915307941, now seen corresponding path program 1 times [2024-10-19 01:11:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:43,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash 445205868, now seen corresponding path program 1 times [2024-10-19 01:11:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:43,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,707 INFO L85 PathProgramCache]: Analyzing trace with hash -539803485, now seen corresponding path program 1 times [2024-10-19 01:11:43,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:43,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,828 INFO L85 PathProgramCache]: Analyzing trace with hash 399536275, now seen corresponding path program 1 times [2024-10-19 01:11:43,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,908 INFO L85 PathProgramCache]: Analyzing trace with hash -541263242, now seen corresponding path program 1 times [2024-10-19 01:11:43,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:43,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:43,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:12:36,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 01:12:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:12:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:12:36,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-19 01:12:36,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-19 01:12:36,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:12:36,583 INFO L85 PathProgramCache]: Analyzing trace with hash 197321795, now seen corresponding path program 2 times [2024-10-19 01:12:36,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:12:36,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50218266] [2024-10-19 01:12:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:12:36,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:12:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:12:38,197 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 01:12:38,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:12:38,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50218266] [2024-10-19 01:12:38,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50218266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:12:38,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:12:38,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-19 01:12:38,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090304353] [2024-10-19 01:12:38,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:12:38,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-19 01:12:38,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:12:38,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-19 01:12:38,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-19 01:12:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:12:38,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:12:38,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:12:38,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 01:12:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:12:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:12:38,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15