./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-2b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r --witnessprinter.witness.filename witness.graphml --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 f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:44:38,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:44:38,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:44:38,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:44:38,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:44:38,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:44:38,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:44:38,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:44:38,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:44:38,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:44:38,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:44:38,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:44:38,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:44:38,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:44:38,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:44:38,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:44:38,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:44:38,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:44:38,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:44:38,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:44:38,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:44:38,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:44:38,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:44:38,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:44:38,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:44:38,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:44:38,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:44:38,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:44:38,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:44:38,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:44:38,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:44:38,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:44:38,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:44:38,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:44:38,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:44:38,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:44:38,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:44:38,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:44:38,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:44:38,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:44:38,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:44:38,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:44:38,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:44:38,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:44:38,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:44:38,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:44:38,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:44:38,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:44:38,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:44:38,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:44:38,621 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:44:38,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:44:38,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:44:38,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:44:38,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:44:38,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:44:38,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:44:38,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:44:38,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:44:38,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:44:38,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:44:38,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:44:38,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:44:38,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:44:38,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:44:38,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:44:38,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:44:38,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:44:38,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:44:38,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:44:38,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:44:38,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:44:38,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:44:38,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:44:38,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:44:38,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:44:38,627 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:44:38,627 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:44:38,627 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 [2021-11-19 05:44:38,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:44:38,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:44:38,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:44:38,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:44:38,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:44:38,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-lit/qw2004-2b.i [2021-11-19 05:44:39,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/data/7cd152cd8/7775f0a5aef04cca8db40ab2764c0443/FLAG6ab9f5e7e [2021-11-19 05:44:39,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:44:39,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/sv-benchmarks/c/pthread-lit/qw2004-2b.i [2021-11-19 05:44:39,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/data/7cd152cd8/7775f0a5aef04cca8db40ab2764c0443/FLAG6ab9f5e7e [2021-11-19 05:44:40,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/data/7cd152cd8/7775f0a5aef04cca8db40ab2764c0443 [2021-11-19 05:44:40,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:44:40,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:44:40,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:44:40,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:44:40,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:44:40,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:40,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c5780d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40, skipping insertion in model container [2021-11-19 05:44:40,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:40,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:44:40,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:44:40,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/sv-benchmarks/c/pthread-lit/qw2004-2b.i[30003,30016] [2021-11-19 05:44:40,745 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:44:40,755 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:44:40,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/sv-benchmarks/c/pthread-lit/qw2004-2b.i[30003,30016] [2021-11-19 05:44:40,849 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:44:40,909 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:44:40,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40 WrapperNode [2021-11-19 05:44:40,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:44:40,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:44:40,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:44:40,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:44:40,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:40,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,004 INFO L137 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 117 [2021-11-19 05:44:41,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:44:41,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:44:41,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:44:41,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:44:41,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:44:41,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:44:41,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:44:41,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:44:41,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (1/1) ... [2021-11-19 05:44:41,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:44:41,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:41,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:44:41,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:44:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2021-11-19 05:44:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2021-11-19 05:44:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:44:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:44:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:44:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:44:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:44:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:44:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:44:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:44:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:44:41,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:44:41,388 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:44:41,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:44:41,716 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:44:41,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:44:41,772 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:44:41,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:44:41 BoogieIcfgContainer [2021-11-19 05:44:41,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:44:41,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:44:41,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:44:41,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:44:41,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:44:40" (1/3) ... [2021-11-19 05:44:41,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c73529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:44:41, skipping insertion in model container [2021-11-19 05:44:41,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:40" (2/3) ... [2021-11-19 05:44:41,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c73529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:44:41, skipping insertion in model container [2021-11-19 05:44:41,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:44:41" (3/3) ... [2021-11-19 05:44:41,787 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2021-11-19 05:44:41,794 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:44:41,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:44:41,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:44:41,794 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:44:41,829 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,829 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,830 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,830 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,830 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,831 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,831 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,831 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,832 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,832 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,832 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,833 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,833 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,833 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,834 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,834 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,834 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,835 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,835 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,835 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,836 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,836 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,836 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,836 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,837 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,837 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,837 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,837 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,838 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,838 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,838 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,838 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,839 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,839 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,840 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,840 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,840 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,840 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,841 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,841 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,841 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,842 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,842 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,842 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,843 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~lse~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,843 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~lse~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,843 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~lse~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,844 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,844 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~lse~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,844 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,845 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,845 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,845 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,845 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,846 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,846 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,846 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,846 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,847 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,847 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,847 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,848 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,848 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,848 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,869 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,872 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,873 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~lse~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,873 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,873 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,874 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,874 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,874 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,875 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,875 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,875 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,876 WARN L322 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:41,878 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:44:41,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:44:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:41,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:44:41,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:44:42,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:44:42,021 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:44:42,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 05:44:42,263 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:42,275 INFO L85 PathProgramCache]: Analyzing trace with hash 182298429, now seen corresponding path program 1 times [2021-11-19 05:44:42,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:42,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933642654] [2021-11-19 05:44:42,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:42,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:42,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:42,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933642654] [2021-11-19 05:44:42,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933642654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:42,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:42,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:44:42,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348011120] [2021-11-19 05:44:42,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:42,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:44:42,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:42,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:44:42,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:44:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:42,777 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:42,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-11-19 05:44:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:42,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:44:42,863 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:42,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:42,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1596891363, now seen corresponding path program 1 times [2021-11-19 05:44:42,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:42,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688460789] [2021-11-19 05:44:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:42,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:43,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:43,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688460789] [2021-11-19 05:44:43,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688460789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:43,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:43,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:44:43,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652963667] [2021-11-19 05:44:43,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:43,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:44:43,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:43,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:44:43,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:44:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:43,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:43,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2021-11-19 05:44:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:44:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:43,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:44:43,256 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:43,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:43,258 INFO L85 PathProgramCache]: Analyzing trace with hash 2100166927, now seen corresponding path program 1 times [2021-11-19 05:44:43,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:43,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920622026] [2021-11-19 05:44:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:43,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:43,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:43,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920622026] [2021-11-19 05:44:43,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920622026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:43,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:43,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:44:43,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680629818] [2021-11-19 05:44:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:43,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:44:43,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:43,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:44:43,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:44:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:43,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:43,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2021-11-19 05:44:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:44:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:44:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:44:43,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:44:43,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:43,700 INFO L85 PathProgramCache]: Analyzing trace with hash -256571346, now seen corresponding path program 1 times [2021-11-19 05:44:43,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:43,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375676264] [2021-11-19 05:44:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:43,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:43,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:43,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375676264] [2021-11-19 05:44:43,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375676264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:43,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:43,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:44:43,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146548421] [2021-11-19 05:44:43,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:43,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:44:43,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:43,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:44:43,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:44:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:43,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:43,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2021-11-19 05:44:43,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:44:43,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:43,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:44:43,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:44,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:44:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:44,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:44:44,047 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:44,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1540842933, now seen corresponding path program 2 times [2021-11-19 05:44:44,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:44,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520662779] [2021-11-19 05:44:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:44,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:44:44,103 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:44:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:44:44,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:44:44,167 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:44:44,168 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 05:44:44,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-19 05:44:44,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:44:44,182 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-11-19 05:44:44,188 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 05:44:44,188 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:44:44,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:44:44 BasicIcfg [2021-11-19 05:44:44,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:44:44,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:44:44,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:44:44,347 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:44:44,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:44:41" (3/4) ... [2021-11-19 05:44:44,350 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 05:44:44,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/witness.graphml [2021-11-19 05:44:44,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:44:44,497 INFO L158 Benchmark]: Toolchain (without parser) took 4346.46ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 85.1MB in the beginning and 124.0MB in the end (delta: -38.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-11-19 05:44:44,498 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:44:44,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.97ms. Allocated memory is still 119.5MB. Free memory was 84.8MB in the beginning and 84.5MB in the end (delta: 303.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:44:44,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.55ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:44:44,500 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 80.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 05:44:44,501 INFO L158 Benchmark]: RCFGBuilder took 720.13ms. Allocated memory is still 119.5MB. Free memory was 80.8MB in the beginning and 67.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 05:44:44,501 INFO L158 Benchmark]: TraceAbstraction took 2567.61ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 66.9MB in the beginning and 133.4MB in the end (delta: -66.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-19 05:44:44,502 INFO L158 Benchmark]: Witness Printer took 149.51ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 124.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:44:44,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.97ms. Allocated memory is still 119.5MB. Free memory was 84.8MB in the beginning and 84.5MB in the end (delta: 303.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.55ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 80.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 720.13ms. Allocated memory is still 119.5MB. Free memory was 80.8MB in the beginning and 67.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2567.61ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 66.9MB in the beginning and 133.4MB in the end (delta: -66.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 149.51ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 124.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2575, positive: 2546, positive conditional: 376, positive unconditional: 2170, negative: 29, negative conditional: 21, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2562, positive: 2546, positive conditional: 376, positive unconditional: 2170, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2562, positive: 2546, positive conditional: 376, positive unconditional: 2170, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2586, positive: 2546, positive conditional: 346, positive unconditional: 2200, negative: 40, negative conditional: 24, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2586, positive: 2546, positive conditional: 87, positive unconditional: 2459, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2586, positive: 2546, positive conditional: 87, positive unconditional: 2459, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2180, positive: 2170, positive conditional: 0, positive unconditional: 2170, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2180, positive: 2169, positive conditional: 0, positive unconditional: 2169, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 82, negative conditional: 5, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2586, positive: 376, positive conditional: 87, positive unconditional: 289, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 2180, unknown conditional: 2, unknown unconditional: 2178] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 2170, Positive conditional cache size: 0, Positive unconditional cache size: 2170, Negative cache size: 10, Negative conditional cache size: 2, Negative unconditional cache size: 8, Eliminated conditions: 275, Maximal queried relation: 4, Independence queries for same thread: 13 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 109, Number of trivial persistent sets: 63, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2178, positive: 2170, positive conditional: 0, positive unconditional: 2170, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2575, positive: 2546, positive conditional: 376, positive unconditional: 2170, negative: 29, negative conditional: 21, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2562, positive: 2546, positive conditional: 376, positive unconditional: 2170, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2562, positive: 2546, positive conditional: 376, positive unconditional: 2170, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2586, positive: 2546, positive conditional: 346, positive unconditional: 2200, negative: 40, negative conditional: 24, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2586, positive: 2546, positive conditional: 87, positive unconditional: 2459, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2586, positive: 2546, positive conditional: 87, positive unconditional: 2459, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2180, positive: 2170, positive conditional: 0, positive unconditional: 2170, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2180, positive: 2169, positive conditional: 0, positive unconditional: 2169, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 82, negative conditional: 5, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2586, positive: 376, positive conditional: 87, positive unconditional: 289, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 2180, unknown conditional: 2, unknown unconditional: 2178] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 2170, Positive conditional cache size: 0, Positive unconditional cache size: 2170, Negative cache size: 10, Negative conditional cache size: 2, Negative unconditional cache size: 8, Eliminated conditions: 275, Maximal queried relation: 4, Independence queries for same thread: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 690]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L697] 0 volatile int stoppingFlag; VAL [stoppingFlag=0] [L698] 0 volatile int pendingIo; VAL [pendingIo=0, stoppingFlag=0] [L699] 0 volatile int stoppingEvent; VAL [pendingIo=0, stoppingEvent=0, stoppingFlag=0] [L700] 0 volatile int stopped; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L756] 0 pthread_t t; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L757] 0 pendingIo = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L758] 0 stoppingFlag = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L759] 0 stoppingEvent = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L760] 0 stopped = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L761] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, pthread_create(&t, 0, BCSP_PnpStop, 0)=-1, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L762] CALL 0 BCSP_PnpAdd(0) [L734] 0 int status; VAL [arg={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L735] CALL, EXPR 0 BCSP_IoIncrement() [L703] 0 int lsf = stoppingFlag; VAL [lsf=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L705] COND FALSE 0 !(\read(lsf)) VAL [lsf=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L709] 0 int lp = pendingIo; VAL [lp=1, lsf=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L745] 1 stoppingFlag = 1 VAL [arg={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L747] CALL 1 BCSP_IoDecrement() [L725] 1 int pending; VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L726] CALL, EXPR 1 dec() [L719] 1 pendingIo-- [L720] 1 int tmp = pendingIo; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1, tmp=0] [L712] 0 pendingIo = lp + 1 VAL [lp=1, lsf=0, pendingIo=2, stopped=0, stoppingEvent=0, stoppingFlag=1] [L715] 0 return 0; VAL [\result=0, lp=1, lsf=0, pendingIo=2, stopped=0, stoppingEvent=0, stoppingFlag=1] [L735] RET, EXPR 0 BCSP_IoIncrement() [L735] 0 status = BCSP_IoIncrement() VAL [arg={0:0}, arg={0:0}, BCSP_IoIncrement()=0, pendingIo=2, status=0, stopped=0, stoppingEvent=0, stoppingFlag=1] [L736] COND TRUE 0 status == 0 VAL [arg={0:0}, arg={0:0}, pendingIo=2, status=0, stopped=0, stoppingEvent=0, stoppingFlag=1] [L722] 1 return tmp; VAL [\result=0, pendingIo=2, stopped=0, stoppingEvent=0, stoppingFlag=1, tmp=0] [L726] RET, EXPR 1 dec() [L726] 1 pending = dec() VAL [dec()=0, pending=0, pendingIo=2, stopped=0, stoppingEvent=0, stoppingFlag=1] [L727] COND TRUE 1 pending == 0 VAL [pending=0, pendingIo=2, stopped=0, stoppingEvent=0, stoppingFlag=1] [L729] 1 stoppingEvent = 1 VAL [pending=0, pendingIo=2, stopped=0, stoppingEvent=1, stoppingFlag=1] [L747] RET 1 BCSP_IoDecrement() [L749] 1 int lse = stoppingEvent; VAL [arg={0:0}, arg={0:0}, lse=1, pendingIo=2, stopped=0, stoppingEvent=1, stoppingFlag=1] [L751] CALL 1 assume_abort_if_not(lse) [L686] COND FALSE 1 !(!cond) VAL [\old(cond)=1, cond=1, pendingIo=2, stopped=0, stoppingEvent=1, stoppingFlag=1] [L751] RET 1 assume_abort_if_not(lse) [L752] 1 stopped = 1 VAL [arg={0:0}, arg={0:0}, lse=1, pendingIo=2, stopped=1, stoppingEvent=1, stoppingFlag=1] [L737] 0 int local_assertion = !stopped; VAL [arg={0:0}, arg={0:0}, local_assertion=0, pendingIo=2, status=0, stopped=1, stoppingEvent=1, stoppingFlag=1] [L738] CALL 0 __VERIFIER_assert(local_assertion) [L689] COND TRUE 0 !(cond) VAL [\old(cond)=0, cond=0, pendingIo=2, stopped=1, stoppingEvent=1, stoppingFlag=1] [L690] 0 reach_error() VAL [\old(cond)=0, cond=0, pendingIo=2, stopped=1, stoppingEvent=1, stoppingFlag=1] - UnprovableResult [Line: 761]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 146 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-19 05:44:44,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:44,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8806c212-d8c9-4931-82e1-fa9207ab6a0f/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE