./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:02:05,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:02:05,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:02:05,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:02:05,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:02:05,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:02:05,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:02:05,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:02:05,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:02:05,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:02:05,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:02:05,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:02:05,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:02:05,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:02:05,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:02:05,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:02:05,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:02:05,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:02:05,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:02:05,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:02:05,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:02:05,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:02:05,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:02:05,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:02:05,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:02:05,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:02:05,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:02:05,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:02:05,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:02:05,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:02:05,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:02:05,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:02:05,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:02:05,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:02:05,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:02:05,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:02:05,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:02:05,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:02:05,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:02:05,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:02:05,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:02:05,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 06:02:05,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:02:05,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:02:05,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:02:05,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:02:05,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:02:05,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:02:05,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:02:05,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:02:05,754 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:02:05,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:02:05,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:02:05,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:02:05,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:02:05,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:02:05,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:02:05,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:02:05,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:02:05,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:02:05,758 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 06:02:05,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:02:05,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:02:05,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:02:05,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:02:05,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:02:05,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:02:05,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:02:05,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:02:05,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:02:05,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:02:05,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:02:05,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:02:05,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:02:05,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:02:05,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:02:05,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:02:05,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:02:05,764 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_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2021-11-20 06:02:06,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:02:06,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:02:06,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:02:06,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:02:06,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:02:06,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2021-11-20 06:02:06,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/data/8da21a17f/b2af33e6c88645b682f9838aab2b787f/FLAG21e695729 [2021-11-20 06:02:07,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:02:07,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2021-11-20 06:02:07,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/data/8da21a17f/b2af33e6c88645b682f9838aab2b787f/FLAG21e695729 [2021-11-20 06:02:07,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/data/8da21a17f/b2af33e6c88645b682f9838aab2b787f [2021-11-20 06:02:07,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:02:07,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:02:07,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:02:07,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:02:07,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:02:07,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:07" (1/1) ... [2021-11-20 06:02:07,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e906689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:07, skipping insertion in model container [2021-11-20 06:02:07,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:07" (1/1) ... [2021-11-20 06:02:07,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:02:07,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:02:08,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:02:08,041 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:02:08,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:02:08,201 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:02:08,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08 WrapperNode [2021-11-20 06:02:08,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:02:08,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:02:08,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:02:08,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:02:08,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,262 INFO L137 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2021-11-20 06:02:08,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:02:08,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:02:08,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:02:08,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:02:08,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:02:08,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:02:08,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:02:08,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:02:08,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (1/1) ... [2021-11-20 06:02:08,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:02:08,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:02:08,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:02:08,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:02:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:02:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:02:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:02:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:02:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:02:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-20 06:02:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-20 06:02:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:02:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:02:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:02:08,419 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:02:08,633 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:02:08,635 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:02:08,866 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:02:08,875 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:02:08,885 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:02:08,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:08 BoogieIcfgContainer [2021-11-20 06:02:08,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:02:08,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:02:08,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:02:08,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:02:08,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:02:07" (1/3) ... [2021-11-20 06:02:08,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793c096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:02:08, skipping insertion in model container [2021-11-20 06:02:08,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:08" (2/3) ... [2021-11-20 06:02:08,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793c096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:02:08, skipping insertion in model container [2021-11-20 06:02:08,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:08" (3/3) ... [2021-11-20 06:02:08,898 INFO L111 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2021-11-20 06:02:08,905 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:02:08,905 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:02:08,905 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-20 06:02:08,905 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:02:08,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:08,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,001 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,002 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:02:09,012 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:02:09,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:02:09,119 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:02:09,122 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-20 06:02:09,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions, 121 flow [2021-11-20 06:02:09,214 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-11-20 06:02:09,214 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:02:09,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 0/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-20 06:02:09,217 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 58 transitions, 121 flow [2021-11-20 06:02:09,225 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 57 transitions, 117 flow [2021-11-20 06:02:09,252 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-11-20 06:02:09,253 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:02:09,253 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:02:09,254 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:02:09,255 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:02:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:02:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1480001371, now seen corresponding path program 1 times [2021-11-20 06:02:09,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:02:09,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335181705] [2021-11-20 06:02:09,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:02:09,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:02:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:02:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:02:09,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:02:09,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335181705] [2021-11-20 06:02:09,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335181705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:02:09,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:02:09,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:02:09,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092528290] [2021-11-20 06:02:09,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:02:09,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:02:09,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:02:09,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:02:09,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:02:09,695 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 58 [2021-11-20 06:02:09,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:09,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:02:09,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 58 [2021-11-20 06:02:09,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:02:09,885 INFO L129 PetriNetUnfolder]: 37/208 cut-off events. [2021-11-20 06:02:09,889 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:02:09,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 208 events. 37/208 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 910 event pairs, 15 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 277. Up to 54 conditions per place. [2021-11-20 06:02:09,899 INFO L132 encePairwiseOnDemand]: 50/58 looper letters, 17 selfloop transitions, 6 changer transitions 0/67 dead transitions. [2021-11-20 06:02:09,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 183 flow [2021-11-20 06:02:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:02:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:02:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2021-11-20 06:02:09,929 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2021-11-20 06:02:09,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 160 transitions. [2021-11-20 06:02:09,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 160 transitions. [2021-11-20 06:02:09,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:02:09,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 160 transitions. [2021-11-20 06:02:09,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:09,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:09,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:09,967 INFO L186 Difference]: Start difference. First operand has 61 places, 57 transitions, 117 flow. Second operand 3 states and 160 transitions. [2021-11-20 06:02:09,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 183 flow [2021-11-20 06:02:09,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 67 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:02:09,987 INFO L242 Difference]: Finished difference. Result has 64 places, 63 transitions, 168 flow [2021-11-20 06:02:09,990 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2021-11-20 06:02:09,995 INFO L334 CegarLoopForPetriNet]: 61 programPoint places, 3 predicate places. [2021-11-20 06:02:09,996 INFO L470 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 168 flow [2021-11-20 06:02:09,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:09,996 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:02:09,997 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:02:09,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:02:09,998 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:02:09,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:02:09,999 INFO L85 PathProgramCache]: Analyzing trace with hash -962745479, now seen corresponding path program 1 times [2021-11-20 06:02:10,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:02:10,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072929900] [2021-11-20 06:02:10,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:02:10,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:02:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:02:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:02:10,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:02:10,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072929900] [2021-11-20 06:02:10,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072929900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:02:10,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:02:10,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:02:10,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403358410] [2021-11-20 06:02:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:02:10,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:02:10,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:02:10,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:02:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:02:10,151 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 58 [2021-11-20 06:02:10,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:02:10,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 58 [2021-11-20 06:02:10,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:02:10,304 INFO L129 PetriNetUnfolder]: 55/275 cut-off events. [2021-11-20 06:02:10,304 INFO L130 PetriNetUnfolder]: For 85/90 co-relation queries the response was YES. [2021-11-20 06:02:10,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 275 events. 55/275 cut-off events. For 85/90 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1402 event pairs, 23 based on Foata normal form. 2/254 useless extension candidates. Maximal degree in co-relation 477. Up to 103 conditions per place. [2021-11-20 06:02:10,312 INFO L132 encePairwiseOnDemand]: 52/58 looper letters, 24 selfloop transitions, 7 changer transitions 1/73 dead transitions. [2021-11-20 06:02:10,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 73 transitions, 270 flow [2021-11-20 06:02:10,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:02:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:02:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2021-11-20 06:02:10,320 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.867816091954023 [2021-11-20 06:02:10,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 151 transitions. [2021-11-20 06:02:10,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 151 transitions. [2021-11-20 06:02:10,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:02:10,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 151 transitions. [2021-11-20 06:02:10,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,328 INFO L186 Difference]: Start difference. First operand has 64 places, 63 transitions, 168 flow. Second operand 3 states and 151 transitions. [2021-11-20 06:02:10,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 73 transitions, 270 flow [2021-11-20 06:02:10,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:02:10,337 INFO L242 Difference]: Finished difference. Result has 66 places, 68 transitions, 212 flow [2021-11-20 06:02:10,338 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=66, PETRI_TRANSITIONS=68} [2021-11-20 06:02:10,339 INFO L334 CegarLoopForPetriNet]: 61 programPoint places, 5 predicate places. [2021-11-20 06:02:10,339 INFO L470 AbstractCegarLoop]: Abstraction has has 66 places, 68 transitions, 212 flow [2021-11-20 06:02:10,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,341 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:02:10,341 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:02:10,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:02:10,342 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:02:10,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:02:10,345 INFO L85 PathProgramCache]: Analyzing trace with hash 426019707, now seen corresponding path program 1 times [2021-11-20 06:02:10,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:02:10,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102405187] [2021-11-20 06:02:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:02:10,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:02:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:02:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:02:10,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:02:10,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102405187] [2021-11-20 06:02:10,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102405187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:02:10,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:02:10,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:02:10,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424408677] [2021-11-20 06:02:10,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:02:10,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:02:10,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:02:10,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:02:10,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:02:10,473 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 58 [2021-11-20 06:02:10,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 68 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:02:10,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 58 [2021-11-20 06:02:10,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:02:10,589 INFO L129 PetriNetUnfolder]: 57/282 cut-off events. [2021-11-20 06:02:10,589 INFO L130 PetriNetUnfolder]: For 141/143 co-relation queries the response was YES. [2021-11-20 06:02:10,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 282 events. 57/282 cut-off events. For 141/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1412 event pairs, 16 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 563. Up to 100 conditions per place. [2021-11-20 06:02:10,594 INFO L132 encePairwiseOnDemand]: 52/58 looper letters, 20 selfloop transitions, 7 changer transitions 10/79 dead transitions. [2021-11-20 06:02:10,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 79 transitions, 334 flow [2021-11-20 06:02:10,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:02:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:02:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2021-11-20 06:02:10,597 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8793103448275862 [2021-11-20 06:02:10,598 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 153 transitions. [2021-11-20 06:02:10,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 153 transitions. [2021-11-20 06:02:10,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:02:10,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 153 transitions. [2021-11-20 06:02:10,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,603 INFO L186 Difference]: Start difference. First operand has 66 places, 68 transitions, 212 flow. Second operand 3 states and 153 transitions. [2021-11-20 06:02:10,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 79 transitions, 334 flow [2021-11-20 06:02:10,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 79 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:02:10,615 INFO L242 Difference]: Finished difference. Result has 68 places, 67 transitions, 230 flow [2021-11-20 06:02:10,616 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=68, PETRI_TRANSITIONS=67} [2021-11-20 06:02:10,619 INFO L334 CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places. [2021-11-20 06:02:10,619 INFO L470 AbstractCegarLoop]: Abstraction has has 68 places, 67 transitions, 230 flow [2021-11-20 06:02:10,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:02:10,620 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:02:10,620 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:02:10,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:02:10,621 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:02:10,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:02:10,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1840854160, now seen corresponding path program 1 times [2021-11-20 06:02:10,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:02:10,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844298338] [2021-11-20 06:02:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:02:10,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:02:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:02:10,677 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:02:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:02:10,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:02:10,720 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:02:10,721 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-20 06:02:10,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-20 06:02:10,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2021-11-20 06:02:10,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2021-11-20 06:02:10,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-20 06:02:10,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-20 06:02:10,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-20 06:02:10,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:02:10,731 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 06:02:10,738 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 06:02:10,739 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:02:10,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:02:10 BasicIcfg [2021-11-20 06:02:10,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:02:10,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:02:10,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:02:10,800 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:02:10,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:08" (3/4) ... [2021-11-20 06:02:10,804 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:02:10,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:02:10,811 INFO L158 Benchmark]: Toolchain (without parser) took 3574.93ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 62.6MB in the beginning and 83.9MB in the end (delta: -21.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-20 06:02:10,812 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 102.8MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:02:10,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.66ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 61.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-20 06:02:10,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.23ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:02:10,814 INFO L158 Benchmark]: Boogie Preprocessor took 31.29ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 58.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:02:10,815 INFO L158 Benchmark]: RCFGBuilder took 591.41ms. Allocated memory is still 102.8MB. Free memory was 57.8MB in the beginning and 47.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:02:10,820 INFO L158 Benchmark]: TraceAbstraction took 1909.38ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 83.9MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:02:10,820 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 130.0MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:02:10,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 102.8MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.66ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 61.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.23ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.29ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 58.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.41ms. Allocated memory is still 102.8MB. Free memory was 57.8MB in the beginning and 47.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1909.38ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 83.9MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 130.0MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 991]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L996] 0 pthread_t id; VAL [glob=0, id={2:0}, mutex={1:0}] [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [998] and C: glob++ [991] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 41 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 06:02:10,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e15bc4-dff2-4700-98c9-01e4f4795596/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE