./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe001_rmo.oepc.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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/safe001_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 0d3dfcdcbd1ef266a13f83c8ffcd1431cdbd44aa9b3fb0ca280daf8703879343 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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 [2024-10-17 07:20:29,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 07:20:29,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 07:20:29,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 07:20:29,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 07:20:29,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 07:20:29,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 07:20:29,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 07:20:29,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 07:20:29,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 07:20:29,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 07:20:29,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 07:20:29,150 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 07:20:29,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 07:20:29,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 07:20:29,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 07:20:29,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 07:20:29,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 07:20:29,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 07:20:29,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 07:20:29,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 07:20:29,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 07:20:29,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 07:20:29,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 07:20:29,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 07:20:29,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 07:20:29,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 07:20:29,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 07:20:29,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 07:20:29,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 07:20:29,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 07:20:29,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 07:20:29,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 07:20:29,161 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 07:20:29,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 07:20:29,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 07:20:29,163 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 07:20:29,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 07:20:29,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 07:20:29,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 07:20:29,165 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 07:20:29,166 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 -> 0d3dfcdcbd1ef266a13f83c8ffcd1431cdbd44aa9b3fb0ca280daf8703879343 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 07:20:29,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 07:20:29,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 07:20:29,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 07:20:29,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 07:20:29,474 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 07:20:29,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_rmo.oepc.i [2024-10-17 07:20:31,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 07:20:31,273 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 07:20:31,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_rmo.oepc.i [2024-10-17 07:20:31,292 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f21b49d5/ceef593a793a42e69077bb3c10ad65fd/FLAG696259011 [2024-10-17 07:20:31,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f21b49d5/ceef593a793a42e69077bb3c10ad65fd [2024-10-17 07:20:31,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 07:20:31,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 07:20:31,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 07:20:31,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 07:20:31,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 07:20:31,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:31,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1798950f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31, skipping insertion in model container [2024-10-17 07:20:31,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:31,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 07:20:31,562 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/safe001_rmo.oepc.i[993,1006] [2024-10-17 07:20:31,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 07:20:31,816 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 07:20:31,830 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/safe001_rmo.oepc.i[993,1006] [2024-10-17 07:20:31,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 07:20:31,967 INFO L204 MainTranslator]: Completed translation [2024-10-17 07:20:31,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31 WrapperNode [2024-10-17 07:20:31,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 07:20:31,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 07:20:31,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 07:20:31,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 07:20:31,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,053 INFO L138 Inliner]: procedures = 175, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2024-10-17 07:20:32,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 07:20:32,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 07:20:32,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 07:20:32,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 07:20:32,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 07:20:32,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 07:20:32,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 07:20:32,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 07:20:32,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (1/1) ... [2024-10-17 07:20:32,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 07:20:32,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 07:20:32,147 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) [2024-10-17 07:20:32,155 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 [2024-10-17 07:20:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 07:20:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 07:20:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 07:20:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 07:20:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-17 07:20:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-17 07:20:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-17 07:20:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-17 07:20:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-17 07:20:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-17 07:20:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 07:20:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 07:20:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 07:20:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 07:20:32,208 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 07:20:32,385 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 07:20:32,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 07:20:32,852 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 07:20:32,852 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 07:20:33,293 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 07:20:33,293 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-17 07:20:33,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 07:20:33 BoogieIcfgContainer [2024-10-17 07:20:33,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 07:20:33,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 07:20:33,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 07:20:33,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 07:20:33,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 07:20:31" (1/3) ... [2024-10-17 07:20:33,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f34a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 07:20:33, skipping insertion in model container [2024-10-17 07:20:33,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:20:31" (2/3) ... [2024-10-17 07:20:33,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f34a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 07:20:33, skipping insertion in model container [2024-10-17 07:20:33,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 07:20:33" (3/3) ... [2024-10-17 07:20:33,303 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_rmo.oepc.i [2024-10-17 07:20:33,322 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 07:20:33,322 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 07:20:33,322 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 07:20:33,392 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 07:20:33,436 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 07:20:33,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 07:20:33,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 07:20:33,439 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) [2024-10-17 07:20:33,440 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 [2024-10-17 07:20:33,556 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 07:20:33,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 07:20:33,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 07:20:33,587 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;@5c9f809a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 07:20:33,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 07:22:08,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 07:22:08,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 07:22:08,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1537323001, now seen corresponding path program 1 times [2024-10-17 07:22:08,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 07:22:08,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974427048] [2024-10-17 07:22:08,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:22:08,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:22:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 07:22:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 07:22:09,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 07:22:09,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974427048] [2024-10-17 07:22:09,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974427048] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 07:22:09,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 07:22:09,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-17 07:22:09,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662439059] [2024-10-17 07:22:09,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 07:22:09,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 07:22:09,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 07:22:09,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 07:22:09,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 07:22:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:22:09,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 07:22:09,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 07:22:09,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:23:44,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:23:44,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 07:23:44,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 07:32:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash 229533272, now seen corresponding path program 1 times [2024-10-17 07:32:02,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:02,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 07:32:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 07:32:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 07:32:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 07:32:04,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 07:32:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 07:32:04,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-17 07:32:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:32:04,705 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 07:32:04,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-10-17 07:32:04,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:04,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:32:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 07:32:11,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 07:32:11,479 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 07:32:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash 236861964, now seen corresponding path program 1 times [2024-10-17 07:32:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:32:11,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 07:32:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:32:11,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 07:32:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash -570513349, now seen corresponding path program 1 times [2024-10-17 07:32:11,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 07:32:11,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600291930] [2024-10-17 07:32:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:11,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 07:32:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 07:32:12,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 07:32:12,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600291930] [2024-10-17 07:32:12,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600291930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 07:32:12,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 07:32:12,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 07:32:12,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678493953] [2024-10-17 07:32:12,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 07:32:12,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 07:32:12,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 07:32:12,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 07:32:12,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 07:32:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:32:12,395 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 07:32:12,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 07:32:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 07:32:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:32:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 07:32:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:50,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-10-17 07:32:50,386 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 07:32:50,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1551793785, now seen corresponding path program 1 times [2024-10-17 07:32:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:50,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:32:50,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 07:32:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:32:50,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2103080054, now seen corresponding path program 1 times [2024-10-17 07:32:50,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:50,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:32:50,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 07:32:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:32:50,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 07:32:50,715 INFO L85 PathProgramCache]: Analyzing trace with hash -326675321, now seen corresponding path program 2 times [2024-10-17 07:32:50,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 07:32:50,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851601735] [2024-10-17 07:32:50,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:32:50,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:32:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 07:32:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 07:32:52,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 07:32:52,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851601735] [2024-10-17 07:32:52,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851601735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 07:32:52,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 07:32:52,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-17 07:32:52,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56623507] [2024-10-17 07:32:52,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 07:32:52,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-17 07:32:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 07:32:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-17 07:32:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-17 07:32:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:32:52,521 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 07:32:52,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 07:32:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 07:32:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:32:52,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:34:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:34:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 07:34:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:34:25,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 07:34:25,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-17 07:34:25,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 07:34:25,510 INFO L85 PathProgramCache]: Analyzing trace with hash -324960833, now seen corresponding path program 1 times [2024-10-17 07:34:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:34:25,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:34:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:34:25,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 07:34:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:34:25,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1317929608, now seen corresponding path program 1 times [2024-10-17 07:34:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:34:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:34:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:34:25,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 07:34:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 07:34:25,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 07:34:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1095468733, now seen corresponding path program 3 times [2024-10-17 07:34:25,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 07:34:25,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670964647] [2024-10-17 07:34:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 07:34:25,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 07:34:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 07:34:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 07:34:26,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 07:34:26,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670964647] [2024-10-17 07:34:26,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670964647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 07:34:26,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 07:34:26,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 07:34:26,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357579103] [2024-10-17 07:34:26,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 07:34:26,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 07:34:26,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 07:34:26,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 07:34:26,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 07:34:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 07:34:26,216 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 07:34:26,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 07:34:26,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:34:26,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 07:34:26,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 07:34:26,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 07:34:26,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15