./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-theta/wsc.i --full-output --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e5b835a 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-theta/wsc.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 cea92baab62ba0c35a952a0cf718b682864c9b4a52d803c2eb370964dcb75f16 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.theta-eval-2e5b835-m [2024-10-21 17:29:07,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-21 17:29:07,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-21 17:29:07,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-21 17:29:07,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-21 17:29:07,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-21 17:29:07,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-21 17:29:07,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-21 17:29:07,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-21 17:29:07,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-21 17:29:07,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-21 17:29:07,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-21 17:29:07,113 INFO L153 SettingsManager]: * Use SBE=true [2024-10-21 17:29:07,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-21 17:29:07,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-21 17:29:07,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-21 17:29:07,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-21 17:29:07,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-21 17:29:07,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-21 17:29:07,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-21 17:29:07,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-21 17:29:07,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-21 17:29:07,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-21 17:29:07,118 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-21 17:29:07,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-21 17:29:07,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-21 17:29:07,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-21 17:29:07,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-21 17:29:07,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-21 17:29:07,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-21 17:29:07,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-21 17:29:07,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-21 17:29:07,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-21 17:29:07,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-21 17:29:07,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-21 17:29:07,121 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-21 17:29:07,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-21 17:29:07,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-21 17:29:07,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-21 17:29:07,124 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-21 17:29:07,124 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-21 17:29:07,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea92baab62ba0c35a952a0cf718b682864c9b4a52d803c2eb370964dcb75f16 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2024-10-21 17:29:07,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-21 17:29:07,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-21 17:29:07,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-21 17:29:07,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-21 17:29:07,438 INFO L274 PluginConnector]: CDTParser initialized [2024-10-21 17:29:07,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-theta/wsc.i [2024-10-21 17:29:08,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-21 17:29:09,015 INFO L384 CDTParser]: Found 1 translation units. [2024-10-21 17:29:09,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/wsc.i [2024-10-21 17:29:09,037 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c63083c8d/a97762c3fc8d4c9a84350d63f802c281/FLAG6929e1437 [2024-10-21 17:29:09,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c63083c8d/a97762c3fc8d4c9a84350d63f802c281 [2024-10-21 17:29:09,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-21 17:29:09,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-21 17:29:09,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-21 17:29:09,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-21 17:29:09,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-21 17:29:09,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2834ed76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09, skipping insertion in model container [2024-10-21 17:29:09,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-21 17:29:09,745 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/wsc.i[33949,33962] [2024-10-21 17:29:09,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-21 17:29:09,764 INFO L200 MainTranslator]: Completed pre-run [2024-10-21 17:29:09,821 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/wsc.i[33949,33962] [2024-10-21 17:29:09,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-21 17:29:09,869 INFO L204 MainTranslator]: Completed translation [2024-10-21 17:29:09,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09 WrapperNode [2024-10-21 17:29:09,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-21 17:29:09,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-21 17:29:09,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-21 17:29:09,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-21 17:29:09,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,914 INFO L138 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 118 [2024-10-21 17:29:09,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-21 17:29:09,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-21 17:29:09,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-21 17:29:09,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-21 17:29:09,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-21 17:29:09,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-21 17:29:09,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-21 17:29:09,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-21 17:29:09,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (1/1) ... [2024-10-21 17:29:09,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-21 17:29:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-21 17:29:09,993 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) [2024-10-21 17:29:09,999 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 [2024-10-21 17:29:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-21 17:29:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure f0 [2024-10-21 17:29:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure f0 [2024-10-21 17:29:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-10-21 17:29:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-10-21 17:29:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-10-21 17:29:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-10-21 17:29:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure f3 [2024-10-21 17:29:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure f3 [2024-10-21 17:29:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure f4 [2024-10-21 17:29:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure f4 [2024-10-21 17:29:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2024-10-21 17:29:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2024-10-21 17:29:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-21 17:29:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-21 17:29:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-21 17:29:10,046 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-21 17:29:10,266 INFO L238 CfgBuilder]: Building ICFG [2024-10-21 17:29:10,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-21 17:29:10,454 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-21 17:29:10,454 INFO L287 CfgBuilder]: Performing block encoding [2024-10-21 17:29:10,471 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-21 17:29:10,472 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-21 17:29:10,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 05:29:10 BoogieIcfgContainer [2024-10-21 17:29:10,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-21 17:29:10,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-21 17:29:10,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-21 17:29:10,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-21 17:29:10,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 05:29:09" (1/3) ... [2024-10-21 17:29:10,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e17c33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 05:29:10, skipping insertion in model container [2024-10-21 17:29:10,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 05:29:09" (2/3) ... [2024-10-21 17:29:10,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e17c33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 05:29:10, skipping insertion in model container [2024-10-21 17:29:10,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 05:29:10" (3/3) ... [2024-10-21 17:29:10,479 INFO L112 eAbstractionObserver]: Analyzing ICFG wsc.i [2024-10-21 17:29:10,494 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-21 17:29:10,495 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-21 17:29:10,495 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-21 17:29:10,575 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-10-21 17:29:10,619 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-21 17:29:10,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-21 17:29:10,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-21 17:29:10,621 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) [2024-10-21 17:29:10,624 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 [2024-10-21 17:29:10,658 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-21 17:29:10,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-21 17:29:10,674 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;@122b9c23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-21 17:29:10,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-21 17:29:11,717 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 4 more)] === [2024-10-21 17:29:11,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:29:11,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1168254135, now seen corresponding path program 1 times [2024-10-21 17:29:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:29:11,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435963913] [2024-10-21 17:29:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:29:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:29:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:29:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:29:12,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:29:12,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435963913] [2024-10-21 17:29:12,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435963913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:29:12,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:29:12,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-21 17:29:12,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162757453] [2024-10-21 17:29:12,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:29:12,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-21 17:29:12,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:29:12,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-21 17:29:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-21 17:29:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:29:12,096 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:29:12,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.0) internal successors, (152), 2 states have internal predecessors, (152), 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) [2024-10-21 17:29:12,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:29:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:29:45,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-21 17:29:45,042 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 4 more)] === [2024-10-21 17:29:45,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:29:45,042 INFO L85 PathProgramCache]: Analyzing trace with hash 164819771, now seen corresponding path program 1 times [2024-10-21 17:29:45,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:29:45,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498605331] [2024-10-21 17:29:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:29:45,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:29:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:29:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:29:45,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:29:45,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498605331] [2024-10-21 17:29:45,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498605331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:29:45,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:29:45,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-21 17:29:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715477056] [2024-10-21 17:29:45,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:29:45,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-21 17:29:45,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:29:45,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-21 17:29:45,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-21 17:29:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:29:45,434 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:29:45,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-10-21 17:29:45,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:29:45,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:31:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:31:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:31:05,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-21 17:31:05,660 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 4 more)] === [2024-10-21 17:31:05,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:31:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1751408069, now seen corresponding path program 2 times [2024-10-21 17:31:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:31:05,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852276989] [2024-10-21 17:31:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:31:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:31:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:31:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:31:05,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:31:05,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852276989] [2024-10-21 17:31:05,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852276989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:31:05,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:31:05,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-21 17:31:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523769774] [2024-10-21 17:31:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:31:05,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-21 17:31:05,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:31:05,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-21 17:31:05,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-21 17:31:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:31:05,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:31:05,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-10-21 17:31:05,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:31:05,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:31:05,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:32:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:32:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:32:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:32:07,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-21 17:32:07,965 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 4 more)] === [2024-10-21 17:32:07,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:32:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash 793051853, now seen corresponding path program 3 times [2024-10-21 17:32:07,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:32:07,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072896993] [2024-10-21 17:32:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:32:07,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:32:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:32:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:32:08,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:32:08,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072896993] [2024-10-21 17:32:08,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072896993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:32:08,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:32:08,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-21 17:32:08,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069124620] [2024-10-21 17:32:08,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:32:08,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-21 17:32:08,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:32:08,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-21 17:32:08,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-21 17:32:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:32:08,094 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:32:08,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-10-21 17:32:08,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:32:08,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:32:08,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:32:08,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:33:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:33:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:33:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:33:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-21 17:33:30,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-21 17:33:30,258 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 4 more)] === [2024-10-21 17:33:30,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:33:30,258 INFO L85 PathProgramCache]: Analyzing trace with hash 951260647, now seen corresponding path program 4 times [2024-10-21 17:33:30,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:33:30,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238379569] [2024-10-21 17:33:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:33:30,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:33:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:33:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:33:30,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:33:30,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238379569] [2024-10-21 17:33:30,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238379569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:33:30,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:33:30,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-21 17:33:30,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53612975] [2024-10-21 17:33:30,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:33:30,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-21 17:33:30,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:33:30,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-21 17:33:30,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-21 17:33:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:33:30,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:33:30,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-10-21 17:33:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:33:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:33:30,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:33:30,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-21 17:33:30,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:34:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:34:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:34:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:34:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-21 17:34:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:34:18,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-21 17:34:18,980 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-21 17:34:18,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:34:18,981 INFO L85 PathProgramCache]: Analyzing trace with hash -432673497, now seen corresponding path program 5 times [2024-10-21 17:34:18,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:34:18,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327123790] [2024-10-21 17:34:18,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:34:18,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:34:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:34:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:34:19,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:34:19,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327123790] [2024-10-21 17:34:19,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327123790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:34:19,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:34:19,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-21 17:34:19,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132447155] [2024-10-21 17:34:19,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:34:19,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-21 17:34:19,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:34:19,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-21 17:34:19,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-21 17:34:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:34:19,100 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:34:19,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-10-21 17:34:19,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:34:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:34:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:34:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-21 17:34:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:34:19,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:37:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:37:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:37:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:37:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-21 17:37:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:37:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:37:47,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-21 17:37:47,354 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-21 17:37:47,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-21 17:37:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1215370867, now seen corresponding path program 6 times [2024-10-21 17:37:47,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-21 17:37:47,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066221281] [2024-10-21 17:37:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-21 17:37:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-21 17:37:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-21 17:37:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-21 17:37:47,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-21 17:37:47,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066221281] [2024-10-21 17:37:47,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066221281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-21 17:37:47,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-21 17:37:47,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-21 17:37:47,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425734025] [2024-10-21 17:37:47,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-21 17:37:47,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-21 17:37:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-21 17:37:47,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-21 17:37:47,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-21 17:37:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:37:47,603 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-21 17:37:47,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-10-21 17:37:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-21 17:37:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:37:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:37:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-21 17:37:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-21 17:37:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-21 17:37:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15