./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi004.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_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/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_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi004.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/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_858e8bf3-f947-41bc-9697-422e50a121ae/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 131a5c0bb00c7f6e11a814871ba4a0d65133507ca6f79e4b87c2742dbe2c5590 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:42:55,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:42:55,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:42:55,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:42:55,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:42:55,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:42:55,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:42:55,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:42:55,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:42:55,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:42:55,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:42:55,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:42:55,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:42:55,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:42:55,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:42:55,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:42:55,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:42:55,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:42:55,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:42:55,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:42:55,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:42:55,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:42:55,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:42:55,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:42:55,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:42:55,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:42:55,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:42:55,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:42:55,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:42:55,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:42:55,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:42:55,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:42:55,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:42:55,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:42:55,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:42:55,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:42:55,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:42:55,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:42:55,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:42:55,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:42:55,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:42:55,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:42:55,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:42:55,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:42:55,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:42:55,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:42:55,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:42:55,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:42:55,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:42:55,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:42:55,728 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:42:55,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:42:55,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:42:55,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:42:55,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:42:55,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:42:55,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:42:55,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:42:55,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:42:55,731 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:42:55,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:42:55,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:42:55,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:42:55,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:42:55,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:42:55,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:42:55,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:42:55,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:42:55,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:42:55,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:42:55,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:42:55,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:42:55,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:42:55,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:42:55,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:42:55,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:42:55,738 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:42:55,738 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:42:55,738 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_858e8bf3-f947-41bc-9697-422e50a121ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 131a5c0bb00c7f6e11a814871ba4a0d65133507ca6f79e4b87c2742dbe2c5590 [2021-11-19 05:42:56,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:42:56,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:42:56,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:42:56,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:42:56,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:42:56,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-wmm/rfi004.i [2021-11-19 05:42:56,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/data/88952c4b7/ee97284380eb457a9ba7baa5f8ee52a1/FLAG89780b384 [2021-11-19 05:42:56,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:42:56,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/sv-benchmarks/c/pthread-wmm/rfi004.i [2021-11-19 05:42:56,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/data/88952c4b7/ee97284380eb457a9ba7baa5f8ee52a1/FLAG89780b384 [2021-11-19 05:42:57,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/data/88952c4b7/ee97284380eb457a9ba7baa5f8ee52a1 [2021-11-19 05:42:57,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:42:57,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:42:57,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:42:57,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:42:57,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:42:57,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2344a1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57, skipping insertion in model container [2021-11-19 05:42:57,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:42:57,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:42:57,384 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_858e8bf3-f947-41bc-9697-422e50a121ae/sv-benchmarks/c/pthread-wmm/rfi004.i[983,996] [2021-11-19 05:42:57,576 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:42:57,585 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:42:57,597 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_858e8bf3-f947-41bc-9697-422e50a121ae/sv-benchmarks/c/pthread-wmm/rfi004.i[983,996] [2021-11-19 05:42:57,640 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:42:57,678 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:42:57,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57 WrapperNode [2021-11-19 05:42:57,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:42:57,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:42:57,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:42:57,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:42:57,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,738 INFO L137 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 169 [2021-11-19 05:42:57,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:42:57,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:42:57,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:42:57,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:42:57,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:42:57,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:42:57,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:42:57,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:42:57,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (1/1) ... [2021-11-19 05:42:57,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:42:57,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:57,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:42:57,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:42:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:42:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:42:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:42:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:42:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:42:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-19 05:42:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-19 05:42:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-19 05:42:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-19 05:42:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:42:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:42:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:42:57,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:42:57,880 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 05:42:58,022 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:42:58,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:42:58,587 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:42:58,949 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:42:58,949 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:42:58,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:58 BoogieIcfgContainer [2021-11-19 05:42:58,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:42:58,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:42:58,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:42:58,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:42:58,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:42:57" (1/3) ... [2021-11-19 05:42:58,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f37862a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:58, skipping insertion in model container [2021-11-19 05:42:58,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:57" (2/3) ... [2021-11-19 05:42:58,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f37862a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:58, skipping insertion in model container [2021-11-19 05:42:58,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:58" (3/3) ... [2021-11-19 05:42:58,961 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi004.i [2021-11-19 05:42:58,967 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:42:58,967 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:42:58,967 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 05:42:58,968 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:42:59,011 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,011 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,012 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,012 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,012 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,013 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,013 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,013 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,013 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,014 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,015 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,015 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,015 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,015 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,016 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,016 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,016 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,016 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,017 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,017 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,018 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,019 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,019 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,019 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,019 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,020 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,020 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,020 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,020 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,021 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,021 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,021 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,021 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,021 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,026 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,026 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,034 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,037 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,037 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,037 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,041 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,042 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,042 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,042 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,043 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,049 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,049 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,049 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,050 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,050 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,050 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,050 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,050 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,051 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,051 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,051 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,052 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,052 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,053 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,054 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,056 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,056 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,056 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,057 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,057 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,057 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,057 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,057 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,057 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,059 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,059 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,059 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,059 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,070 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,072 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,072 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,073 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,074 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,074 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,074 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,074 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,075 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,075 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,075 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,076 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,077 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,082 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:42:59,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:42:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:59,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:42:59,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:42:59,207 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:42:59,217 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 05:42:59,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:42:59,367 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,387 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,388 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,388 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,388 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,388 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,389 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,389 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,389 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,390 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,390 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,390 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,391 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,391 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,394 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,446 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,447 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,447 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,447 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,448 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,448 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,448 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,448 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,449 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,449 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,449 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,449 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,450 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:59,482 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:59,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash -987396195, now seen corresponding path program 1 times [2021-11-19 05:42:59,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:59,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667368400] [2021-11-19 05:42:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:59,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:59,715 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 05:42:59,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:59,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667368400] [2021-11-19 05:42:59,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667368400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:42:59,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:42:59,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:42:59,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278726535] [2021-11-19 05:42:59,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:42:59,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:42:59,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:59,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:42:59,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:42:59,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:59,751 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:42:59,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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 05:42:59,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:59,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:42:59,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:59,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:59,779 INFO L85 PathProgramCache]: Analyzing trace with hash 434890909, now seen corresponding path program 1 times [2021-11-19 05:42:59,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:59,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769229427] [2021-11-19 05:42:59,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:59,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:00,091 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 05:43:00,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:00,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769229427] [2021-11-19 05:43:00,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769229427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:00,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:00,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:43:00,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62456964] [2021-11-19 05:43:00,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:00,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:43:00,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:00,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:43:00,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:43:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,096 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:00,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 05:43:00,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,222 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,222 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,230 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,231 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,231 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,231 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,232 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,232 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,232 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,233 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,233 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,233 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,233 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,274 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,274 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,274 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,275 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,275 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,275 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,275 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,276 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,276 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,276 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,277 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,280 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,281 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,335 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,336 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,336 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,336 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,337 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,337 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,337 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,338 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,338 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,338 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,338 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,339 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,339 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:00,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:43:00,473 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:00,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:00,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1999161239, now seen corresponding path program 1 times [2021-11-19 05:43:00,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:00,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140523521] [2021-11-19 05:43:00,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:00,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:00,778 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 05:43:00,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:00,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140523521] [2021-11-19 05:43:00,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140523521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:00,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:00,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:43:00,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900139636] [2021-11-19 05:43:00,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:00,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:43:00,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:00,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:43:00,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:43:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:00,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 05:43:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:00,908 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,911 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,912 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,912 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,912 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,919 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,920 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,920 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,920 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,921 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,921 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,921 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,921 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,922 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:00,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,006 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,008 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite26#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:01,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:43:01,121 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:01,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:01,122 INFO L85 PathProgramCache]: Analyzing trace with hash -772356130, now seen corresponding path program 1 times [2021-11-19 05:43:01,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:01,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589605716] [2021-11-19 05:43:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:01,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:01,369 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 05:43:01,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:01,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589605716] [2021-11-19 05:43:01,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589605716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:01,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:01,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:43:01,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546033108] [2021-11-19 05:43:01,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:01,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:43:01,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:01,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:43:01,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:43:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:01,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:01,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 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 05:43:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:01,601 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,602 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,602 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,602 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,603 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,603 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,603 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,604 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,604 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,604 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,605 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,605 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,605 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,627 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,627 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,628 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,628 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,628 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,629 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,629 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,629 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,630 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,630 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,630 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,631 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,631 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,662 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite26#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,663 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,664 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,664 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,665 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,665 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,665 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,665 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,666 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,666 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,666 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,667 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,667 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,667 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,697 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite20_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,697 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite23_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,697 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,698 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite22_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,698 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite13_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,698 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite14_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,699 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite11_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,699 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite8_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,699 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,700 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite10_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,700 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite17_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,700 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite7_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,701 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite19_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,702 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite26#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:01,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:43:01,755 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash 378933086, now seen corresponding path program 2 times [2021-11-19 05:43:01,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:01,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955754315] [2021-11-19 05:43:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:01,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:02,005 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 05:43:02,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:02,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955754315] [2021-11-19 05:43:02,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955754315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:02,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:02,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:43:02,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209753957] [2021-11-19 05:43:02,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:02,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:43:02,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:02,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:43:02,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:43:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:02,009 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:02,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 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 05:43:02,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:02,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:02,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:02,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:02,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:02,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:02,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:02,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:02,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:02,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:43:02,244 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:02,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:02,245 INFO L85 PathProgramCache]: Analyzing trace with hash -225326712, now seen corresponding path program 3 times [2021-11-19 05:43:02,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:02,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651757781] [2021-11-19 05:43:02,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:02,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:43:02,326 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:43:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:43:02,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:43:02,462 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:43:02,464 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-19 05:43:02,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-19 05:43:02,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-19 05:43:02,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:43:02,481 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2021-11-19 05:43:02,482 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2021-11-19 05:43:02,486 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 05:43:02,486 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:43:02,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:43:02 BasicIcfg [2021-11-19 05:43:02,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:43:02,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:43:02,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:43:02,639 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:43:02,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:58" (3/4) ... [2021-11-19 05:43:02,641 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 05:43:02,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/witness.graphml [2021-11-19 05:43:02,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:43:02,758 INFO L158 Benchmark]: Toolchain (without parser) took 5686.63ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 86.6MB in the beginning and 58.0MB in the end (delta: 28.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2021-11-19 05:43:02,759 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:02,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.67ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 178.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:43:02,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.13ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 83.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:02,769 INFO L158 Benchmark]: Boogie Preprocessor took 35.11ms. Allocated memory is still 125.8MB. Free memory was 83.2MB in the beginning and 81.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:02,770 INFO L158 Benchmark]: RCFGBuilder took 1176.55ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 81.7MB in the beginning and 117.0MB in the end (delta: -35.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-11-19 05:43:02,770 INFO L158 Benchmark]: TraceAbstraction took 3684.22ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 82.1MB in the end (delta: 33.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-11-19 05:43:02,770 INFO L158 Benchmark]: Witness Printer took 119.26ms. Allocated memory is still 159.4MB. Free memory was 82.1MB in the beginning and 58.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-19 05:43:02,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.67ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 178.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.13ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 83.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.11ms. Allocated memory is still 125.8MB. Free memory was 83.2MB in the beginning and 81.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1176.55ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 81.7MB in the beginning and 117.0MB in the end (delta: -35.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3684.22ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 82.1MB in the end (delta: 33.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Witness Printer took 119.26ms. Allocated memory is still 159.4MB. Free memory was 82.1MB in the beginning and 58.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1902, positive: 1818, positive conditional: 938, positive unconditional: 880, negative: 84, negative conditional: 62, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, positive: 1818, positive conditional: 938, positive unconditional: 880, negative: 62, negative conditional: 40, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1880, positive: 1818, positive conditional: 938, positive unconditional: 880, negative: 62, negative conditional: 40, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2005, positive: 1818, positive conditional: 785, positive unconditional: 1033, negative: 187, negative conditional: 125, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2005, positive: 1818, positive conditional: 195, positive unconditional: 1623, negative: 187, negative conditional: 24, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2005, positive: 1818, positive conditional: 195, positive unconditional: 1623, negative: 187, negative conditional: 24, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 908, positive: 883, positive conditional: 3, positive unconditional: 880, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 908, positive: 878, positive conditional: 0, positive unconditional: 878, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 569, positive: 90, positive conditional: 84, positive unconditional: 6, negative: 479, negative conditional: 3, negative unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2005, positive: 935, positive conditional: 192, positive unconditional: 743, negative: 162, negative conditional: 22, negative unconditional: 140, unknown: 908, unknown conditional: 5, unknown unconditional: 903] , Statistics on independence cache: Total cache size (in pairs): 908, Positive cache size: 883, Positive conditional cache size: 3, Positive unconditional cache size: 880, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Eliminated conditions: 691, Maximal queried relation: 4, Independence queries for same thread: 22 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 179, Number of trivial persistent sets: 101, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 902, positive: 880, positive conditional: 0, positive unconditional: 880, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1902, positive: 1818, positive conditional: 938, positive unconditional: 880, negative: 84, negative conditional: 62, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, positive: 1818, positive conditional: 938, positive unconditional: 880, negative: 62, negative conditional: 40, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1880, positive: 1818, positive conditional: 938, positive unconditional: 880, negative: 62, negative conditional: 40, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2005, positive: 1818, positive conditional: 785, positive unconditional: 1033, negative: 187, negative conditional: 125, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2005, positive: 1818, positive conditional: 195, positive unconditional: 1623, negative: 187, negative conditional: 24, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2005, positive: 1818, positive conditional: 195, positive unconditional: 1623, negative: 187, negative conditional: 24, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 908, positive: 883, positive conditional: 3, positive unconditional: 880, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 908, positive: 878, positive conditional: 0, positive unconditional: 878, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 569, positive: 90, positive conditional: 84, positive unconditional: 6, negative: 479, negative conditional: 3, negative unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2005, positive: 935, positive conditional: 192, positive unconditional: 743, negative: 162, negative conditional: 22, negative unconditional: 140, unknown: 908, unknown conditional: 5, unknown unconditional: 903] , Statistics on independence cache: Total cache size (in pairs): 908, Positive cache size: 883, Positive conditional cache size: 3, Positive unconditional cache size: 880, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Eliminated conditions: 691, Maximal queried relation: 4, Independence queries for same thread: 22 - 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L715] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L716] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L717] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L719] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L723] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L724] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L725] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L726] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L727] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L728] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L729] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 0 pthread_t t1649; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1649={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t1649, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1649, ((void *)0), P0, ((void *)0))=-1, t1649={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1650; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1649={5:0}, t1650={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] FCALL, FORK 0 pthread_create(&t1650, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1650, ((void *)0), P1, ((void *)0))=0, t1649={5:0}, t1650={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L773] 2 y$w_buff1 = y$w_buff0 [L774] 2 y$w_buff0 = 1 [L775] 2 y$w_buff1_used = y$w_buff0_used [L776] 2 y$w_buff0_used = (_Bool)1 [L777] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L777] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L778] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L779] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L780] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L781] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L784] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L787] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L790] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L749] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L750] 1 y$flush_delayed = weak$$choice2 [L751] 1 y$mem_tmp = y [L752] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L752] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L753] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L753] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L753] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L753] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L754] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L754] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L754] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L754] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L755] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L755] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L755] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L755] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L756] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L757] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L757] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L757] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L758] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L758] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 __unbuffered_p0_EAX = y [L760] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L760] 1 y = y$flush_delayed ? y$mem_tmp : y [L761] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L793] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L793] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L794] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L795] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L796] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L797] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1649={5:0}, t1650={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1649={5:0}, t1650={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L833] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L19] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 818]: 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. - UnprovableResult [Line: 816]: 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 5 procedures, 117 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 1020 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 05:43:02,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:03,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858e8bf3-f947-41bc-9697-422e50a121ae/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