./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD --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 a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 02:22:54,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:54,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:54,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:54,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:54,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:54,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:54,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:54,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:54,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:54,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:54,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:54,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:54,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:54,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:54,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:54,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:54,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:54,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:54,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:54,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:54,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:54,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:54,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:54,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:54,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:54,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:54,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:54,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:54,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:54,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:54,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:54,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:54,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:54,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:54,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:54,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:54,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:54,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:54,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:54,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:54,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-20 02:22:54,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:22:54,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:22:54,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:22:54,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:22:54,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:22:54,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:22:54,368 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:22:54,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:22:54,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:22:54,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 02:22:54,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:22:54,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:22:54,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:22:54,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:22:54,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:22:54,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:22:54,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:22:54,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:22:54,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:22:54,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:22:54,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:22:54,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-20 02:22:54,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:22:54,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:54,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:22:54,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:22:54,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:22:54,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-20 02:22:54,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 02:22:54,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:22:54,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:22:54,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:22:54,376 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:22:54,377 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:22:54,377 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_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 [2021-10-20 02:22:54,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:22:54,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:22:54,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:22:54,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:22:54,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:22:54,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2021-10-20 02:22:54,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/data/030673738/eda0900d524b4bc393d4165e3a3ae577/FLAG40b677543 [2021-10-20 02:22:55,266 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:22:55,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2021-10-20 02:22:55,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/data/030673738/eda0900d524b4bc393d4165e3a3ae577/FLAG40b677543 [2021-10-20 02:22:55,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/data/030673738/eda0900d524b4bc393d4165e3a3ae577 [2021-10-20 02:22:55,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:22:55,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:22:55,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:55,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:22:55,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:22:55,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:55" (1/1) ... [2021-10-20 02:22:55,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff01aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:55, skipping insertion in model container [2021-10-20 02:22:55,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:55" (1/1) ... [2021-10-20 02:22:55,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:22:55,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:22:56,038 WARN L228 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_a3420427-fe9a-48ef-8fa5-7f5284c77d15/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2021-10-20 02:22:56,051 WARN L228 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_a3420427-fe9a-48ef-8fa5-7f5284c77d15/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2021-10-20 02:22:56,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 02:22:56,074 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 02:22:56,127 WARN L228 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_a3420427-fe9a-48ef-8fa5-7f5284c77d15/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2021-10-20 02:22:56,129 WARN L228 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_a3420427-fe9a-48ef-8fa5-7f5284c77d15/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2021-10-20 02:22:56,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 02:22:56,170 INFO L208 MainTranslator]: Completed translation [2021-10-20 02:22:56,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56 WrapperNode [2021-10-20 02:22:56,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:56,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 02:22:56,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 02:22:56,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 02:22:56,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 02:22:56,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 02:22:56,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 02:22:56,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 02:22:56,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 02:22:56,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 02:22:56,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 02:22:56,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 02:22:56,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:56,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:22:56,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 02:22:56,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 02:22:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-10-20 02:22:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-10-20 02:22:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2021-10-20 02:22:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2021-10-20 02:22:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-20 02:22:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-20 02:22:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-20 02:22:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 02:22:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 02:22:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 02:22:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 02:22:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 02:22:56,394 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-20 02:22:57,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 02:22:57,097 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-20 02:22:57,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:22:57 BoogieIcfgContainer [2021-10-20 02:22:57,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 02:22:57,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 02:22:57,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 02:22:57,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 02:22:57,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:22:55" (1/3) ... [2021-10-20 02:22:57,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1533fac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:22:57, skipping insertion in model container [2021-10-20 02:22:57,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56" (2/3) ... [2021-10-20 02:22:57,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1533fac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:22:57, skipping insertion in model container [2021-10-20 02:22:57,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:22:57" (3/3) ... [2021-10-20 02:22:57,116 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2021-10-20 02:22:57,122 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-20 02:22:57,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 02:22:57,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-20 02:22:57,122 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-20 02:22:57,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,157 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,158 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,158 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,160 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,160 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,160 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,160 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,160 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,160 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,161 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,161 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,161 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,161 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,162 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,164 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,167 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,168 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,168 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,179 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,179 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,179 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,180 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,180 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,180 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,180 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:22:57,185 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-20 02:22:57,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-20 02:22:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:22:57,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-20 02:22:57,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-20 02:22:57,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork2 ======== [2021-10-20 02:22:57,319 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 [2021-10-20 02:22:57,319 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 02:22:57,538 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:22:57,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:22:57,549 INFO L82 PathProgramCache]: Analyzing trace with hash 782508140, now seen corresponding path program 1 times [2021-10-20 02:22:57,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:22:57,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074290044] [2021-10-20 02:22:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:22:57,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:22:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:22:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 02:22:57,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:22:57,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074290044] [2021-10-20 02:22:57,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074290044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:22:57,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:22:57,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 02:22:57,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430228120] [2021-10-20 02:22:57,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 02:22:57,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:22:57,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 02:22:57,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 02:22:57,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:22:57,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:22:57,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2021-10-20 02:22:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:22:58,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:22:58,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 02:22:58,146 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:22:58,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:22:58,147 INFO L82 PathProgramCache]: Analyzing trace with hash -686277482, now seen corresponding path program 1 times [2021-10-20 02:22:58,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:22:58,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845990841] [2021-10-20 02:22:58,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:22:58,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:22:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:22:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 02:22:58,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:22:58,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845990841] [2021-10-20 02:22:58,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845990841] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 02:22:58,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966239394] [2021-10-20 02:22:58,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:22:58,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 02:22:58,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:22:58,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 02:22:58,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-20 02:22:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:22:58,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-20 02:22:58,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 02:22:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 02:22:58,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966239394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:22:58,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-20 02:22:58,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-20 02:22:58,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454918183] [2021-10-20 02:22:58,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 02:22:58,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:22:58,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 02:22:58,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-20 02:22:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:22:58,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:22:58,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-10-20 02:22:58,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:22:58,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:22:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:22:59,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:22:59,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-20 02:22:59,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-20 02:22:59,224 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:22:59,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:22:59,225 INFO L82 PathProgramCache]: Analyzing trace with hash 52451852, now seen corresponding path program 1 times [2021-10-20 02:22:59,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:22:59,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685864955] [2021-10-20 02:22:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:22:59,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:22:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:22:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 02:22:59,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:22:59,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685864955] [2021-10-20 02:22:59,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685864955] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:22:59,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:22:59,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 02:22:59,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923992711] [2021-10-20 02:22:59,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 02:22:59,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:22:59,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 02:22:59,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 02:22:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:22:59,335 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:22:59,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-10-20 02:22:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:22:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:22:59,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:00,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 02:23:00,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-20 02:23:00,464 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork2 was SAFE (1/3) [2021-10-20 02:23:00,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-20 02:23:00,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:00,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-20 02:23:00,481 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-20 02:23:00,482 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 [2021-10-20 02:23:00,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 02:23:00,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-10-20 02:23:00,567 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-20 02:23:00,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:00,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1795331697, now seen corresponding path program 1 times [2021-10-20 02:23:00,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:00,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338236622] [2021-10-20 02:23:00,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:00,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 02:23:00,616 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 02:23:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 02:23:00,667 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-20 02:23:00,667 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 02:23:00,668 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-20 02:23:00,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-20 02:23:00,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-20 02:23:00,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-20 02:23:00,680 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-10-20 02:23:00,681 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-20 02:23:00,682 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-10-20 02:23:00,704 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,704 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,705 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,705 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,710 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,710 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,710 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,710 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,713 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,713 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,713 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,713 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,713 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,713 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,714 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,714 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,714 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,714 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,715 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,722 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,723 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,723 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,724 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,724 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,724 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,724 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,724 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,724 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,725 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,725 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,725 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,725 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,725 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,725 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,726 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,726 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,726 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,726 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,727 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,727 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,728 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,728 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,728 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,728 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,729 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,729 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,731 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,731 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,731 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,731 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,732 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,732 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,732 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,732 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,732 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,732 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,733 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,733 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,733 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,733 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,733 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,733 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,734 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,735 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,735 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,735 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,736 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,736 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,736 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,736 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,737 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,737 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,737 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,737 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,738 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,738 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,740 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,761 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,761 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,761 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,761 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,761 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,762 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,762 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,763 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,763 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,764 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,764 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,764 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,764 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,764 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,767 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,767 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,767 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,767 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,770 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,771 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,771 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,771 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 02:23:00,773 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-20 02:23:00,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-20 02:23:00,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:00,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-20 02:23:00,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread2of2ForFork2 ======== [2021-10-20 02:23:00,781 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 [2021-10-20 02:23:00,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 02:23:00,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2021-10-20 02:23:00,905 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 02:23:00,908 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread2of2ForFork2 was SAFE (1/5) [2021-10-20 02:23:00,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-20 02:23:00,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:00,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-20 02:23:00,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of2ForFork2 ======== [2021-10-20 02:23:00,920 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 [2021-10-20 02:23:00,920 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 02:23:00,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2021-10-20 02:23:01,062 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:01,064 INFO L82 PathProgramCache]: Analyzing trace with hash 95860319, now seen corresponding path program 1 times [2021-10-20 02:23:01,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:01,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243999179] [2021-10-20 02:23:01,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:01,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 02:23:01,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:01,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243999179] [2021-10-20 02:23:01,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243999179] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:01,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:23:01,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 02:23:01,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788050792] [2021-10-20 02:23:01,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 02:23:01,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:01,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 02:23:01,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 02:23:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:01,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:01,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2021-10-20 02:23:01,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:01,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:23:01,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-20 02:23:01,217 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:01,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1992530314, now seen corresponding path program 1 times [2021-10-20 02:23:01,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:01,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741149539] [2021-10-20 02:23:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:01,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 02:23:01,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:01,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741149539] [2021-10-20 02:23:01,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741149539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 02:23:01,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141736369] [2021-10-20 02:23:01,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:01,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 02:23:01,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:01,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 02:23:01,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-20 02:23:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:01,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-20 02:23:01,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 02:23:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 02:23:01,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141736369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:01,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-20 02:23:01,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-20 02:23:01,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809608799] [2021-10-20 02:23:01,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 02:23:01,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:01,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 02:23:01,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-20 02:23:01,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:01,665 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:01,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-10-20 02:23:01,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:23:01,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:01,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-20 02:23:01,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-20 02:23:01,980 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:01,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1321718264, now seen corresponding path program 1 times [2021-10-20 02:23:01,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:01,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77077413] [2021-10-20 02:23:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:01,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-20 02:23:02,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:02,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77077413] [2021-10-20 02:23:02,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77077413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:02,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:23:02,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 02:23:02,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073953968] [2021-10-20 02:23:02,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 02:23:02,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:02,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 02:23:02,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 02:23:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:02,041 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:02,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-10-20 02:23:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:02,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:09,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 02:23:09,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-20 02:23:09,624 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of2ForFork2 was SAFE (2/5) [2021-10-20 02:23:09,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-20 02:23:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:09,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-20 02:23:09,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-10-20 02:23:09,637 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr3Thread2of2ForFork1 ======== [2021-10-20 02:23:09,638 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 [2021-10-20 02:23:09,638 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 02:23:09,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:09,989 INFO L82 PathProgramCache]: Analyzing trace with hash -226537486, now seen corresponding path program 1 times [2021-10-20 02:23:09,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:09,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512289895] [2021-10-20 02:23:09,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:09,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 02:23:10,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:10,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512289895] [2021-10-20 02:23:10,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512289895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:10,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:23:10,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 02:23:10,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373186531] [2021-10-20 02:23:10,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 02:23:10,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:10,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 02:23:10,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 02:23:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:10,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 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) [2021-10-20 02:23:10,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-20 02:23:10,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:10,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:10,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1619542888, now seen corresponding path program 1 times [2021-10-20 02:23:10,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:10,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5927582] [2021-10-20 02:23:10,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:10,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 02:23:10,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:10,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5927582] [2021-10-20 02:23:10,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5927582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:10,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:23:10,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-20 02:23:10,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658809827] [2021-10-20 02:23:10,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 02:23:10,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:10,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 02:23:10,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 02:23:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,150 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:10,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 02:23:10,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:23:10,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-20 02:23:10,197 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:10,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:10,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1640796473, now seen corresponding path program 1 times [2021-10-20 02:23:10,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:10,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141717709] [2021-10-20 02:23:10,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:10,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 02:23:10,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:10,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141717709] [2021-10-20 02:23:10,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141717709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:10,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 02:23:10,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 02:23:10,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71743498] [2021-10-20 02:23:10,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 02:23:10,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:10,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 02:23:10,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 02:23:10,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,280 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:10,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-10-20 02:23:10,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:23:10,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:23:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:10,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-20 02:23:10,486 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:10,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:10,487 INFO L82 PathProgramCache]: Analyzing trace with hash 887218599, now seen corresponding path program 1 times [2021-10-20 02:23:10,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:10,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948126255] [2021-10-20 02:23:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:10,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 02:23:10,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-20 02:23:10,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948126255] [2021-10-20 02:23:10,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948126255] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 02:23:10,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082396743] [2021-10-20 02:23:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:10,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 02:23:10,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 [2021-10-20 02:23:10,593 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 02:23:10,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-20 02:23:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 02:23:10,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-20 02:23:10,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 02:23:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 02:23:10,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082396743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 02:23:10,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-20 02:23:10,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-20 02:23:10,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195068167] [2021-10-20 02:23:10,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 02:23:10,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-20 02:23:10,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 02:23:10,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-20 02:23:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-20 02:23:10,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-10-20 02:23:10,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:10,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-20 02:23:10,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:10,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 02:23:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 02:23:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 02:23:13,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-20 02:23:13,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-20 02:23:13,788 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 02:23:13,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 02:23:13,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1395792941, now seen corresponding path program 1 times [2021-10-20 02:23:13,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-20 02:23:13,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616519684] [2021-10-20 02:23:13,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 02:23:13,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 02:23:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 02:23:13,824 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 02:23:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 02:23:13,883 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-20 02:23:13,884 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 02:23:13,884 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 02:23:13,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-20 02:23:13,886 INFO L308 ceAbstractionStarter]: Result for error location thr3Thread2of2ForFork1 was UNSAFE (3/5) [2021-10-20 02:23:13,887 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2021-10-20 02:23:13,887 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 02:23:14,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:23:14 BasicIcfg [2021-10-20 02:23:14,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 02:23:14,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 02:23:14,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 02:23:14,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 02:23:14,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:22:57" (3/4) ... [2021-10-20 02:23:14,036 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-20 02:23:14,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/witness.graphml [2021-10-20 02:23:14,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 02:23:14,167 INFO L168 Benchmark]: Toolchain (without parser) took 18560.24 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 69.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 671.8 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,168 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:14,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.86 ms. Allocated memory is still 111.1 MB. Free memory was 69.5 MB in the beginning and 78.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.63 ms. Allocated memory is still 111.1 MB. Free memory was 78.6 MB in the beginning and 76.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,169 INFO L168 Benchmark]: Boogie Preprocessor took 62.30 ms. Allocated memory is still 111.1 MB. Free memory was 76.5 MB in the beginning and 74.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,169 INFO L168 Benchmark]: RCFGBuilder took 814.92 ms. Allocated memory is still 111.1 MB. Free memory was 74.7 MB in the beginning and 53.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,170 INFO L168 Benchmark]: TraceAbstraction took 16929.72 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 52.5 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 625.6 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,170 INFO L168 Benchmark]: Witness Printer took 132.37 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:14,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.86 ms. Allocated memory is still 111.1 MB. Free memory was 69.5 MB in the beginning and 78.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.63 ms. Allocated memory is still 111.1 MB. Free memory was 78.6 MB in the beginning and 76.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.30 ms. Allocated memory is still 111.1 MB. Free memory was 76.5 MB in the beginning and 74.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 814.92 ms. Allocated memory is still 111.1 MB. Free memory was 74.7 MB in the beginning and 53.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16929.72 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 52.5 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 625.6 MB. Max. memory is 16.1 GB. * Witness Printer took 132.37 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33909, positive: 31644, positive conditional: 28837, positive unconditional: 2807, negative: 2265, negative conditional: 2220, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32378, positive: 31644, positive conditional: 28837, positive unconditional: 2807, negative: 734, negative conditional: 689, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32378, positive: 31644, positive conditional: 28837, positive unconditional: 2807, negative: 734, negative conditional: 689, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34241, positive: 31644, positive conditional: 28790, positive unconditional: 2854, negative: 2597, negative conditional: 1863, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34241, positive: 31644, positive conditional: 6783, positive unconditional: 24861, negative: 2597, negative conditional: 635, negative unconditional: 1962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34241, positive: 31644, positive conditional: 6783, positive unconditional: 24861, negative: 2597, negative conditional: 635, negative unconditional: 1962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2423, positive: 2370, positive conditional: 8, positive unconditional: 2362, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2423, positive: 2347, positive conditional: 0, positive unconditional: 2347, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 23, positive conditional: 7, positive unconditional: 16, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 276, positive: 87, positive conditional: 21, positive unconditional: 67, negative: 188, negative conditional: 17, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34241, positive: 29274, positive conditional: 6775, positive unconditional: 22499, negative: 2544, negative conditional: 628, negative unconditional: 1916, unknown: 2423, unknown conditional: 15, unknown unconditional: 2408] , Statistics on independence cache: Total cache size (in pairs): 2423, Positive cache size: 2370, Positive conditional cache size: 8, Positive unconditional cache size: 2362, Negative cache size: 53, Negative conditional cache size: 7, Negative unconditional cache size: 46, Eliminated conditions: 23235, Maximal queried relation: 3, Independence queries for same thread: 1531 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 547, Number of persistent set computation: 1811, Number of trivial persistent sets: 1006, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2852, positive: 2807, positive conditional: 0, positive unconditional: 2807, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33909, positive: 31644, positive conditional: 28837, positive unconditional: 2807, negative: 2265, negative conditional: 2220, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32378, positive: 31644, positive conditional: 28837, positive unconditional: 2807, negative: 734, negative conditional: 689, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32378, positive: 31644, positive conditional: 28837, positive unconditional: 2807, negative: 734, negative conditional: 689, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34241, positive: 31644, positive conditional: 28790, positive unconditional: 2854, negative: 2597, negative conditional: 1863, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34241, positive: 31644, positive conditional: 6783, positive unconditional: 24861, negative: 2597, negative conditional: 635, negative unconditional: 1962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34241, positive: 31644, positive conditional: 6783, positive unconditional: 24861, negative: 2597, negative conditional: 635, negative unconditional: 1962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2423, positive: 2370, positive conditional: 8, positive unconditional: 2362, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2423, positive: 2347, positive conditional: 0, positive unconditional: 2347, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 23, positive conditional: 7, positive unconditional: 16, negative: 53, negative conditional: 7, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 276, positive: 87, positive conditional: 21, positive unconditional: 67, negative: 188, negative conditional: 17, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34241, positive: 29274, positive conditional: 6775, positive unconditional: 22499, negative: 2544, negative conditional: 628, negative unconditional: 1916, unknown: 2423, unknown conditional: 15, unknown unconditional: 2408] , Statistics on independence cache: Total cache size (in pairs): 2423, Positive cache size: 2370, Positive conditional cache size: 8, Positive unconditional cache size: 2362, Negative cache size: 53, Negative conditional cache size: 7, Negative unconditional cache size: 46, Eliminated conditions: 23235, Maximal queried relation: 3, Independence queries for same thread: 1531 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1079, positive: 1073, positive conditional: 75, positive unconditional: 998, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 75, positive unconditional: 998, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 75, positive unconditional: 998, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 979, positive: 977, positive conditional: 0, positive unconditional: 977, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 979, positive: 977, positive conditional: 0, positive unconditional: 977, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1075, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 979, unknown conditional: 0, unknown unconditional: 979] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 977, Positive conditional cache size: 0, Positive unconditional cache size: 977, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 77, Number of persistent set computation: 39, Number of trivial persistent sets: 19, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1000, positive: 998, positive conditional: 0, positive unconditional: 998, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1079, positive: 1073, positive conditional: 75, positive unconditional: 998, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 75, positive unconditional: 998, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 75, positive unconditional: 998, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1075, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 979, positive: 977, positive conditional: 0, positive unconditional: 977, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 979, positive: 977, positive conditional: 0, positive unconditional: 977, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1075, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 979, unknown conditional: 0, unknown unconditional: 979] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 977, Positive conditional cache size: 0, Positive unconditional cache size: 977, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 5, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 5, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 5, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 0, positive unconditional: 1747, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 0, positive unconditional: 1747, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 0, positive unconditional: 1747, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1764, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1764, positive: 1732, positive conditional: 0, positive unconditional: 1732, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1769, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1764, unknown conditional: 0, unknown unconditional: 1764] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1742, Positive conditional cache size: 0, Positive unconditional cache size: 1742, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 116, Number of persistent set computation: 33, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1764, positive: 1742, positive conditional: 0, positive unconditional: 1742, 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: 1769, positive: 1747, positive conditional: 5, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 5, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 5, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 0, positive unconditional: 1747, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 0, positive unconditional: 1747, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1769, positive: 1747, positive conditional: 0, positive unconditional: 1747, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1764, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1764, positive: 1732, positive conditional: 0, positive unconditional: 1732, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1769, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1764, unknown conditional: 0, unknown unconditional: 1764] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1742, Positive conditional cache size: 0, Positive unconditional cache size: 1742, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 520086, positive: 493887, positive conditional: 486729, positive unconditional: 7158, negative: 26199, negative conditional: 26050, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 503454, positive: 493887, positive conditional: 486729, positive unconditional: 7158, negative: 9567, negative conditional: 9418, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 503454, positive: 493887, positive conditional: 486729, positive unconditional: 7158, negative: 9567, negative conditional: 9418, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530692, positive: 493887, positive conditional: 486680, positive unconditional: 7207, negative: 36805, negative conditional: 27238, negative unconditional: 9567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 530692, positive: 493887, positive conditional: 96839, positive unconditional: 397048, negative: 36805, negative conditional: 8650, negative unconditional: 28155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 530692, positive: 493887, positive conditional: 96839, positive unconditional: 397048, negative: 36805, negative conditional: 8650, negative unconditional: 28155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6708, positive: 6540, positive conditional: 25, positive unconditional: 6515, negative: 168, negative conditional: 18, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6708, positive: 6462, positive conditional: 0, positive unconditional: 6462, negative: 246, negative conditional: 0, negative unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 246, positive: 78, positive conditional: 16, positive unconditional: 62, negative: 168, negative conditional: 18, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 108, positive conditional: 28, positive unconditional: 81, negative: 280, negative conditional: 31, negative unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 530692, positive: 487347, positive conditional: 96814, positive unconditional: 390533, negative: 36637, negative conditional: 8632, negative unconditional: 28005, unknown: 6708, unknown conditional: 43, unknown unconditional: 6665] , Statistics on independence cache: Total cache size (in pairs): 6708, Positive cache size: 6540, Positive conditional cache size: 25, Positive unconditional cache size: 6515, Negative cache size: 168, Negative conditional cache size: 18, Negative unconditional cache size: 150, Eliminated conditions: 408429, Maximal queried relation: 3, Independence queries for same thread: 16632 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1935, Number of persistent set computation: 16089, Number of trivial persistent sets: 8690, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7307, positive: 7158, positive conditional: 0, positive unconditional: 7158, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 520086, positive: 493887, positive conditional: 486729, positive unconditional: 7158, negative: 26199, negative conditional: 26050, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 503454, positive: 493887, positive conditional: 486729, positive unconditional: 7158, negative: 9567, negative conditional: 9418, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 503454, positive: 493887, positive conditional: 486729, positive unconditional: 7158, negative: 9567, negative conditional: 9418, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530692, positive: 493887, positive conditional: 486680, positive unconditional: 7207, negative: 36805, negative conditional: 27238, negative unconditional: 9567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 530692, positive: 493887, positive conditional: 96839, positive unconditional: 397048, negative: 36805, negative conditional: 8650, negative unconditional: 28155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 530692, positive: 493887, positive conditional: 96839, positive unconditional: 397048, negative: 36805, negative conditional: 8650, negative unconditional: 28155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6708, positive: 6540, positive conditional: 25, positive unconditional: 6515, negative: 168, negative conditional: 18, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6708, positive: 6462, positive conditional: 0, positive unconditional: 6462, negative: 246, negative conditional: 0, negative unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 246, positive: 78, positive conditional: 16, positive unconditional: 62, negative: 168, negative conditional: 18, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 108, positive conditional: 28, positive unconditional: 81, negative: 280, negative conditional: 31, negative unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 530692, positive: 487347, positive conditional: 96814, positive unconditional: 390533, negative: 36637, negative conditional: 8632, negative unconditional: 28005, unknown: 6708, unknown conditional: 43, unknown unconditional: 6665] , Statistics on independence cache: Total cache size (in pairs): 6708, Positive cache size: 6540, Positive conditional cache size: 25, Positive unconditional cache size: 6515, Negative cache size: 168, Negative conditional cache size: 18, Negative unconditional cache size: 150, Eliminated conditions: 408429, Maximal queried relation: 3, Independence queries for same thread: 16632 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 210597, positive: 196531, positive conditional: 189500, positive unconditional: 7031, negative: 14066, negative conditional: 13943, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 198430, positive: 196531, positive conditional: 189500, positive unconditional: 7031, negative: 1899, negative conditional: 1776, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 198430, positive: 196531, positive conditional: 189500, positive unconditional: 7031, negative: 1899, negative conditional: 1776, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202458, positive: 196531, positive conditional: 189177, positive unconditional: 7354, negative: 5927, negative conditional: 4028, negative unconditional: 1899, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 202458, positive: 196531, positive conditional: 50343, positive unconditional: 146188, negative: 5927, negative conditional: 1677, negative unconditional: 4250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 202458, positive: 196531, positive conditional: 50343, positive unconditional: 146188, negative: 5927, negative conditional: 1677, negative unconditional: 4250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6537, positive: 6403, positive conditional: 16, positive unconditional: 6387, negative: 134, negative conditional: 10, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6537, positive: 6328, positive conditional: 0, positive unconditional: 6328, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 209, positive: 75, positive conditional: 14, positive unconditional: 61, negative: 134, negative conditional: 10, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 88, positive conditional: 19, positive unconditional: 69, negative: 222, negative conditional: 15, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 202458, positive: 190128, positive conditional: 50327, positive unconditional: 139801, negative: 5793, negative conditional: 1667, negative unconditional: 4126, unknown: 6537, unknown conditional: 26, unknown unconditional: 6511] , Statistics on independence cache: Total cache size (in pairs): 6537, Positive cache size: 6403, Positive conditional cache size: 16, Positive unconditional cache size: 6387, Negative cache size: 134, Negative conditional cache size: 10, Negative unconditional cache size: 124, Eliminated conditions: 141185, Maximal queried relation: 3, Independence queries for same thread: 12167 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1110, Number of persistent set computation: 8779, Number of trivial persistent sets: 2661, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7154, positive: 7031, positive conditional: 0, positive unconditional: 7031, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 210597, positive: 196531, positive conditional: 189500, positive unconditional: 7031, negative: 14066, negative conditional: 13943, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 198430, positive: 196531, positive conditional: 189500, positive unconditional: 7031, negative: 1899, negative conditional: 1776, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 198430, positive: 196531, positive conditional: 189500, positive unconditional: 7031, negative: 1899, negative conditional: 1776, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202458, positive: 196531, positive conditional: 189177, positive unconditional: 7354, negative: 5927, negative conditional: 4028, negative unconditional: 1899, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 202458, positive: 196531, positive conditional: 50343, positive unconditional: 146188, negative: 5927, negative conditional: 1677, negative unconditional: 4250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 202458, positive: 196531, positive conditional: 50343, positive unconditional: 146188, negative: 5927, negative conditional: 1677, negative unconditional: 4250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6537, positive: 6403, positive conditional: 16, positive unconditional: 6387, negative: 134, negative conditional: 10, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6537, positive: 6328, positive conditional: 0, positive unconditional: 6328, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 209, positive: 75, positive conditional: 14, positive unconditional: 61, negative: 134, negative conditional: 10, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 88, positive conditional: 19, positive unconditional: 69, negative: 222, negative conditional: 15, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 202458, positive: 190128, positive conditional: 50327, positive unconditional: 139801, negative: 5793, negative conditional: 1667, negative unconditional: 4126, unknown: 6537, unknown conditional: 26, unknown unconditional: 6511] , Statistics on independence cache: Total cache size (in pairs): 6537, Positive cache size: 6403, Positive conditional cache size: 16, Positive unconditional cache size: 6387, Negative cache size: 134, Negative conditional cache size: 10, Negative unconditional cache size: 124, Eliminated conditions: 141185, Maximal queried relation: 3, Independence queries for same thread: 12167 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 723]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 716]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int g0 = 0,g1 = 0,x = 0; VAL [g0=0, g1=0, x=0] [L690] 0 _Bool lock = 0; VAL [g0=0, g1=0, lock=0, x=0] [L691] 0 int mutex = 0; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L735] 0 pthread_t t; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L736] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L728] CALL 1 __VERIFIER_atomic_acquire() [L694] CALL 1 assume_abort_if_not(mutex==0) [L4] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(mutex==0) [L695] 1 mutex = 1 [L728] RET 1 __VERIFIER_atomic_acquire() [L729] 1 g0=1 VAL [g0=1, g1=0, lock=0, mutex=1, x=0] [L729] 1 g1=1 VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L730] CALL 1 __VERIFIER_atomic_release() [L699] CALL 1 assume_abort_if_not(mutex==1) [L4] COND FALSE 1 !(!cond) [L699] RET 1 assume_abort_if_not(mutex==1) [L700] 1 mutex = 0 [L730] RET 1 __VERIFIER_atomic_release() [L737] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L738] COND TRUE 0 1 VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L723] COND TRUE 2 1 VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L740] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L738] COND TRUE 0 1 VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L704] CALL 3 __VERIFIER_atomic_acquire() [L694] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L694] RET 3 assume_abort_if_not(mutex==0) [L695] 3 mutex = 1 [L704] RET 3 __VERIFIER_atomic_acquire() [L705] COND TRUE 3 __VERIFIER_nondet_int() VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L707] 3 g0=0 VAL [g0=0, g1=1, lock=0, mutex=1, x=0] [L708] 3 g1=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L709] 3 lock=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L711] CALL 3 __VERIFIER_atomic_release() [L699] CALL 3 assume_abort_if_not(mutex==1) [L4] COND FALSE 3 !(!cond) [L699] RET 3 assume_abort_if_not(mutex==1) [L700] 3 mutex = 0 [L711] RET 3 __VERIFIER_atomic_release() [L723] CALL 2 __VERIFIER_atomic_acquire() [L694] CALL 2 assume_abort_if_not(mutex==0) [L4] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(mutex==0) [L695] 2 mutex = 1 [L723] RET 2 __VERIFIER_atomic_acquire() [L723] COND FALSE 2 !(!(g0==g1)) VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L723] CALL 2 __VERIFIER_atomic_release() [L699] CALL 2 assume_abort_if_not(mutex==1) [L4] COND FALSE 2 !(!cond) [L699] RET 2 assume_abort_if_not(mutex==1) [L700] 2 mutex = 0 [L723] RET 2 __VERIFIER_atomic_release() [L723] COND TRUE 2 1 VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L712] CALL 3 __VERIFIER_atomic_acquire() [L694] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L694] RET 3 assume_abort_if_not(mutex==0) [L695] 3 mutex = 1 [L712] RET 3 __VERIFIER_atomic_acquire() [L713] COND FALSE 3 !(\read(lock)) VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L718] CALL 3 __VERIFIER_atomic_release() [L699] CALL 3 assume_abort_if_not(mutex==1) [L4] COND FALSE 3 !(!cond) [L699] RET 3 assume_abort_if_not(mutex==1) [L700] 3 mutex = 0 [L718] RET 3 __VERIFIER_atomic_release() [L723] CALL 2 __VERIFIER_atomic_acquire() [L694] CALL 2 assume_abort_if_not(mutex==0) [L4] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(mutex==0) [L695] 2 mutex = 1 [L723] RET 2 __VERIFIER_atomic_acquire() [L723] COND FALSE 2 !(!(g0==g1)) VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L723] CALL 2 __VERIFIER_atomic_release() [L699] CALL 2 assume_abort_if_not(mutex==1) [L4] COND FALSE 2 !(!cond) [L699] RET 2 assume_abort_if_not(mutex==1) [L700] 2 mutex = 0 [L723] RET 2 __VERIFIER_atomic_release() [L719] 3 return 0; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L731] 1 lock=1 VAL [g0=0, g1=0, lock=1, mutex=0, x=0] [L732] 1 return 0; VAL [g0=0, g1=0, lock=1, mutex=0, x=0] [L740] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=0, g1=0, lock=1, mutex=0, x=0] [L704] CALL 4 __VERIFIER_atomic_acquire() [L694] CALL 4 assume_abort_if_not(mutex==0) [L4] COND FALSE 4 !(!cond) [L694] RET 4 assume_abort_if_not(mutex==0) [L695] 4 mutex = 1 [L704] RET 4 __VERIFIER_atomic_acquire() [L705] COND FALSE 4 !(__VERIFIER_nondet_int()) VAL [g0=0, g1=0, lock=1, mutex=1, x=0] [L711] CALL 4 __VERIFIER_atomic_release() [L699] CALL 4 assume_abort_if_not(mutex==1) [L4] COND FALSE 4 !(!cond) [L699] RET 4 assume_abort_if_not(mutex==1) [L700] 4 mutex = 0 [L711] RET 4 __VERIFIER_atomic_release() [L712] CALL 4 __VERIFIER_atomic_acquire() [L694] CALL 4 assume_abort_if_not(mutex==0) [L4] COND FALSE 4 !(!cond) [L694] RET 4 assume_abort_if_not(mutex==0) [L695] 4 mutex = 1 [L712] RET 4 __VERIFIER_atomic_acquire() [L713] COND TRUE 4 \read(lock) VAL [g0=0, g1=0, lock=1, mutex=1, x=0] [L715] 4 x=1 VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L716] COND TRUE 4 !(g0==1 && g1==1) VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L716] 4 reach_error() VAL [g0=0, g1=0, lock=1, mutex=1, x=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 124 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3197.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.1ms, PartialOrderReductionTime: 1564.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.9ms SsaConstructionTime, 198.1ms SatisfiabilityAnalysisTime, 787.4ms InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 2 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 15/18 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 124 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 211.0ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.2ms, PartialOrderReductionTime: 82.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.5ms SsaConstructionTime, 23.7ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread2of2ForFork2 with 1 thread instances CFG has 10 procedures, 165 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 133.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.5ms, PartialOrderReductionTime: 120.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of2ForFork2 with 1 thread instances CFG has 10 procedures, 165 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 8714.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.3ms, PartialOrderReductionTime: 7902.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.0ms SsaConstructionTime, 69.7ms SatisfiabilityAnalysisTime, 381.7ms InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 2 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 15/18 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr3Thread2of2ForFork1 with 1 thread instances CFG has 10 procedures, 165 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 4258.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.2ms, PartialOrderReductionTime: 3257.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.4ms SsaConstructionTime, 129.1ms SatisfiabilityAnalysisTime, 392.6ms InterpolantComputationTime, 472 NumberOfCodeBlocks, 472 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 558 SizeOfPredicates, 2 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 27/34 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! [2021-10-20 02:23:14,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2021-10-20 02:23:14,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2021-10-20 02:23:14,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2021-10-20 02:23:14,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-10-20 02:23:15,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-20 02:23:15,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3420427-fe9a-48ef-8fa5-7f5284c77d15/bin/ugemcutter-S3k5n7jwrD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...