./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41db91eef6d6907cd33ee0e53afae152e76d8df255e37a51bd770d30500bb6fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:41:26,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:41:26,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:41:26,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:41:26,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:41:26,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:41:26,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:41:26,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:41:26,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:41:26,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:41:26,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:41:26,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:41:26,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:41:26,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:41:26,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:41:26,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:41:26,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:41:26,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:41:26,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:41:26,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:41:26,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:41:26,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:41:26,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:41:26,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:41:26,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:41:26,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:41:26,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:41:26,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:41:26,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:41:26,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:41:26,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:41:26,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:41:26,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:41:26,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:41:26,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:41:26,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:41:26,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:41:26,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:41:26,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:41:26,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:41:26,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:41:26,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-07 01:41:26,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:41:26,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:41:26,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:41:26,917 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:41:26,917 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:41:26,917 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:41:26,918 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:41:26,918 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:41:26,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:41:26,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:41:26,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:41:26,919 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:41:26,919 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:41:26,919 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:41:26,919 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:41:26,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:41:26,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:41:26,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:41:26,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:41:26,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:41:26,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:41:26,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:41:26,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:41:26,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:41:26,922 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-07 01:41:26,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:41:26,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:41:26,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:41:26,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:41:26,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:41:26,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:41:26,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:41:26,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:26,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:41:26,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:41:26,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:41:26,925 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:41:26,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:41:26,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:41:26,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:41:26,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:41:26,926 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41db91eef6d6907cd33ee0e53afae152e76d8df255e37a51bd770d30500bb6fe [2021-11-07 01:41:27,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:41:27,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:41:27,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:41:27,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:41:27,233 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:41:27,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i [2021-11-07 01:41:27,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/data/4b9738edf/543ada54cfd44c68a57238a253d23ff3/FLAG6353c809c [2021-11-07 01:41:27,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:41:27,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i [2021-11-07 01:41:27,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/data/4b9738edf/543ada54cfd44c68a57238a253d23ff3/FLAG6353c809c [2021-11-07 01:41:28,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/data/4b9738edf/543ada54cfd44c68a57238a253d23ff3 [2021-11-07 01:41:28,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:41:28,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:41:28,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:28,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:41:28,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:41:28,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:28" (1/1) ... [2021-11-07 01:41:28,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fa87f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:28, skipping insertion in model container [2021-11-07 01:41:28,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:28" (1/1) ... [2021-11-07 01:41:28,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:41:28,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:41:28,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:28,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:41:28,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:29,006 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:41:29,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29 WrapperNode [2021-11-07 01:41:29,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:29,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:41:29,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:41:29,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:41:29,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:41:29,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:41:29,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:41:29,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:41:29,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:41:29,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:41:29,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:41:29,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:41:29,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (1/1) ... [2021-11-07 01:41:29,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:29,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:41:29,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:41:29,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:41:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:41:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:41:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:41:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 01:41:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 01:41:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:41:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:41:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:41:29,236 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:41:29,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:41:29,647 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 01:41:29,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:29 BoogieIcfgContainer [2021-11-07 01:41:29,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:41:29,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:41:29,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:41:29,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:41:29,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:41:28" (1/3) ... [2021-11-07 01:41:29,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fbe80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:41:29, skipping insertion in model container [2021-11-07 01:41:29,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:29" (2/3) ... [2021-11-07 01:41:29,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fbe80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:41:29, skipping insertion in model container [2021-11-07 01:41:29,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:29" (3/3) ... [2021-11-07 01:41:29,660 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2021-11-07 01:41:29,674 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 01:41:29,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:41:29,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-07 01:41:29,675 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 01:41:29,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:41:29,730 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-07 01:41:29,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:41:29,788 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=FINITE_AUTOMATA, 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 [2021-11-07 01:41:29,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-07 01:41:29,802 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:41:29,815 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 62 transitions, 129 flow [2021-11-07 01:41:29,818 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 62 transitions, 129 flow [2021-11-07 01:41:29,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 129 flow [2021-11-07 01:41:29,856 INFO L129 PetriNetUnfolder]: 1/61 cut-off events. [2021-11-07 01:41:29,857 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-07 01:41:29,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2021-11-07 01:41:29,862 INFO L116 LiptonReduction]: Number of co-enabled transitions 782 [2021-11-07 01:41:32,620 INFO L131 LiptonReduction]: Checked pairs total: 1938 [2021-11-07 01:41:32,620 INFO L133 LiptonReduction]: Total number of compositions: 51 [2021-11-07 01:41:32,628 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 19 transitions, 43 flow [2021-11-07 01:41:32,649 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73 states, 62 states have (on average 2.161290322580645) internal successors, (134), 72 states have internal predecessors, (134), 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) [2021-11-07 01:41:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 62 states have (on average 2.161290322580645) internal successors, (134), 72 states have internal predecessors, (134), 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) [2021-11-07 01:41:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:41:32,656 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:32,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:41:32,658 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-07 01:41:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:32,664 INFO L85 PathProgramCache]: Analyzing trace with hash 232767, now seen corresponding path program 1 times [2021-11-07 01:41:32,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:41:32,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013251199] [2021-11-07 01:41:32,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:32,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:41:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:32,911 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:41:32,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013251199] [2021-11-07 01:41:32,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013251199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:32,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:32,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:41:32,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535265392] [2021-11-07 01:41:32,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:41:32,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:41:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:41:32,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:41:32,938 INFO L87 Difference]: Start difference. First operand has 73 states, 62 states have (on average 2.161290322580645) internal successors, (134), 72 states have internal predecessors, (134), 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) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-07 01:41:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:32,952 INFO L93 Difference]: Finished difference Result 65 states and 119 transitions. [2021-11-07 01:41:32,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:41:32,954 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2021-11-07 01:41:32,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:32,964 INFO L225 Difference]: With dead ends: 65 [2021-11-07 01:41:32,964 INFO L226 Difference]: Without dead ends: 65 [2021-11-07 01:41:32,965 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:41:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-07 01:41:32,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-07 01:41:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 57 states have (on average 2.087719298245614) internal successors, (119), 64 states have internal predecessors, (119), 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) [2021-11-07 01:41:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 119 transitions. [2021-11-07 01:41:33,005 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 119 transitions. Word has length 3 [2021-11-07 01:41:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:33,005 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 119 transitions. [2021-11-07 01:41:33,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-07 01:41:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2021-11-07 01:41:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:41:33,007 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:33,007 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:41:33,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:41:33,007 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-07 01:41:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:33,008 INFO L85 PathProgramCache]: Analyzing trace with hash 7215011, now seen corresponding path program 1 times [2021-11-07 01:41:33,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:41:33,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206344483] [2021-11-07 01:41:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:33,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:41:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:33,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:41:33,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206344483] [2021-11-07 01:41:33,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206344483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:33,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:33,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:41:33,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131916225] [2021-11-07 01:41:33,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:41:33,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:41:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:41:33,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:41:33,082 INFO L87 Difference]: Start difference. First operand 65 states and 119 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-07 01:41:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:33,105 INFO L93 Difference]: Finished difference Result 98 states and 178 transitions. [2021-11-07 01:41:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:41:33,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2021-11-07 01:41:33,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:33,109 INFO L225 Difference]: With dead ends: 98 [2021-11-07 01:41:33,109 INFO L226 Difference]: Without dead ends: 98 [2021-11-07 01:41:33,110 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:41:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-07 01:41:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 69. [2021-11-07 01:41:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 2.1475409836065573) internal successors, (131), 68 states have internal predecessors, (131), 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) [2021-11-07 01:41:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 131 transitions. [2021-11-07 01:41:33,123 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 131 transitions. Word has length 4 [2021-11-07 01:41:33,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:33,124 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 131 transitions. [2021-11-07 01:41:33,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-07 01:41:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2021-11-07 01:41:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 01:41:33,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:33,126 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 01:41:33,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:41:33,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-07 01:41:33,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:33,127 INFO L85 PathProgramCache]: Analyzing trace with hash 223680718, now seen corresponding path program 1 times [2021-11-07 01:41:33,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:41:33,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545593149] [2021-11-07 01:41:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:33,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:41:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:33,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:41:33,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545593149] [2021-11-07 01:41:33,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545593149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:33,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:33,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:41:33,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357767705] [2021-11-07 01:41:33,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:41:33,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:41:33,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:41:33,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:41:33,192 INFO L87 Difference]: Start difference. First operand 69 states and 131 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-07 01:41:33,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:33,215 INFO L93 Difference]: Finished difference Result 71 states and 133 transitions. [2021-11-07 01:41:33,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:41:33,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2021-11-07 01:41:33,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:33,217 INFO L225 Difference]: With dead ends: 71 [2021-11-07 01:41:33,220 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:41:33,221 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:41:33,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:41:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:41:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 2.078125) internal successors, (133), 70 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) [2021-11-07 01:41:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 133 transitions. [2021-11-07 01:41:33,236 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 133 transitions. Word has length 5 [2021-11-07 01:41:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:33,237 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 133 transitions. [2021-11-07 01:41:33,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-07 01:41:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2021-11-07 01:41:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:41:33,239 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:33,239 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:41:33,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:41:33,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-07 01:41:33,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:33,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1656248190, now seen corresponding path program 1 times [2021-11-07 01:41:33,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:41:33,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857522933] [2021-11-07 01:41:33,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:33,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:41:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:41:33,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:41:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:41:33,306 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:41:33,306 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:41:33,307 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 01:41:33,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 01:41:33,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 01:41:33,314 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:41:33,320 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 01:41:33,321 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:41:33,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:41:33 BasicIcfg [2021-11-07 01:41:33,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:41:33,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:41:33,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:41:33,343 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:41:33,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:29" (3/4) ... [2021-11-07 01:41:33,347 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:41:33,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:41:33,349 INFO L168 Benchmark]: Toolchain (without parser) took 5079.66 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 64.5 MB in the beginning and 71.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:33,349 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 63.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:41:33,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.89 ms. Allocated memory is still 88.1 MB. Free memory was 64.2 MB in the beginning and 46.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:33,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.38 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.6 MB in the beginning and 84.5 MB in the end (delta: -38.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:33,352 INFO L168 Benchmark]: Boogie Preprocessor took 42.06 ms. Allocated memory is still 107.0 MB. Free memory was 84.5 MB in the beginning and 83.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:41:33,352 INFO L168 Benchmark]: RCFGBuilder took 510.30 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 72.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:33,353 INFO L168 Benchmark]: TraceAbstraction took 3690.16 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 71.9 MB in the beginning and 71.3 MB in the end (delta: 625.7 kB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:33,353 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 130.0 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:41:33,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 63.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.89 ms. Allocated memory is still 88.1 MB. Free memory was 64.2 MB in the beginning and 46.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.38 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.6 MB in the beginning and 84.5 MB in the end (delta: -38.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.06 ms. Allocated memory is still 107.0 MB. Free memory was 84.5 MB in the beginning and 83.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 510.30 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 72.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3690.16 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 71.9 MB in the beginning and 71.3 MB in the end (delta: 625.7 kB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.85 ms. Allocated memory is still 130.0 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 65 PlacesBefore, 22 PlacesAfterwards, 62 TransitionsBefore, 19 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 1938 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1041, positive: 903, positive conditional: 0, positive unconditional: 903, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 616, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 616, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1041, positive: 331, positive conditional: 0, positive unconditional: 331, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 616, unknown conditional: 0, unknown unconditional: 616] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; [L920] 0 void (*f)() = good; [L926] 0 pthread_t id; [L927] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0] [L928] 0 f = bad VAL [={-1:2}, global=0] [L922] 1 f() VAL [={-1:2}, global=0] Now there is a data race on ~f~0 between C: f = bad [928] and C: f() [922] - UnprovableResult [Line: 928]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 927]: 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: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 918]: 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, 86 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 19 SDslu, 19 SDs, 0 SdLazy, 21 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 29 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2021-11-07 01:41:33,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a313b23e-327b-4d45-85b9-980ff2524d4e/bin/utaipan-UUZaoUuFF8/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