./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS --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 f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:57:24,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:57:24,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:57:24,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:57:24,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:57:24,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:57:24,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:57:24,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:57:24,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:57:24,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:57:24,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:57:24,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:57:24,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:57:24,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:57:24,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:57:24,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:57:24,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:57:24,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:57:24,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:57:24,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:57:24,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:57:24,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:57:24,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:57:24,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:57:24,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:57:24,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:57:24,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:57:24,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:57:24,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:57:24,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:57:24,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:57:24,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:57:24,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:57:24,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:57:24,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:57:24,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:57:24,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:57:24,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:57:24,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:57:24,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:57:24,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:57:24,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 01:57:24,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:57:24,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:57:24,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:57:24,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:57:24,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:57:24,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:57:24,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:57:24,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:57:24,107 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:57:24,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:57:24,108 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:57:24,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:57:24,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:57:24,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:57:24,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:57:24,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:57:24,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:57:24,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:57:24,109 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 01:57:24,110 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:57:24,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:57:24,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:57:24,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:57:24,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:57:24,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:57:24,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:57:24,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:57:24,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:57:24,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:57:24,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:57:24,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:57:24,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:57:24,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:57:24,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:57:24,112 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:57:24,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:57:24,113 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa [2022-11-23 01:57:24,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:57:24,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:57:24,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:57:24,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:57:24,515 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:57:24,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2022-11-23 01:57:27,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:57:28,037 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:57:28,041 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2022-11-23 01:57:28,054 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/data/c9c862f2d/a458f03304ff4be3befbb7dbac007f85/FLAG94c0599a5 [2022-11-23 01:57:28,068 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/data/c9c862f2d/a458f03304ff4be3befbb7dbac007f85 [2022-11-23 01:57:28,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:57:28,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:57:28,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:57:28,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:57:28,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:57:28,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a780837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28, skipping insertion in model container [2022-11-23 01:57:28,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:57:28,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:57:28,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:57:28,588 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:57:28,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:57:28,726 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:57:28,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28 WrapperNode [2022-11-23 01:57:28,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:57:28,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:57:28,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:57:28,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:57:28,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,809 INFO L138 Inliner]: procedures = 165, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-11-23 01:57:28,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:57:28,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:57:28,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:57:28,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:57:28,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,865 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:57:28,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:57:28,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:57:28,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:57:28,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (1/1) ... [2022-11-23 01:57:28,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:57:28,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:28,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:28,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:57:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:57:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:57:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 01:57:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:57:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:57:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 01:57:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 01:57:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:57:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:57:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:57:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:57:28,963 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 01:57:29,157 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:57:29,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:57:29,574 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:57:29,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:57:29,582 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 01:57:29,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:29 BoogieIcfgContainer [2022-11-23 01:57:29,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:57:29,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:57:29,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:57:29,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:57:29,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:57:28" (1/3) ... [2022-11-23 01:57:29,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362f555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:29, skipping insertion in model container [2022-11-23 01:57:29,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:28" (2/3) ... [2022-11-23 01:57:29,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362f555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:29, skipping insertion in model container [2022-11-23 01:57:29,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:29" (3/3) ... [2022-11-23 01:57:29,595 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2022-11-23 01:57:29,605 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 01:57:29,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:57:29,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-23 01:57:29,617 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 01:57:29,672 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 01:57:29,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 114 transitions, 236 flow [2022-11-23 01:57:29,767 INFO L130 PetriNetUnfolder]: 3/113 cut-off events. [2022-11-23 01:57:29,767 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 01:57:29,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 113 events. 3/113 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-23 01:57:29,773 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 114 transitions, 236 flow [2022-11-23 01:57:29,778 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 105 transitions, 213 flow [2022-11-23 01:57:29,782 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 01:57:29,799 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 105 transitions, 213 flow [2022-11-23 01:57:29,802 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 105 transitions, 213 flow [2022-11-23 01:57:29,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 105 transitions, 213 flow [2022-11-23 01:57:29,834 INFO L130 PetriNetUnfolder]: 3/105 cut-off events. [2022-11-23 01:57:29,835 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:57:29,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 3/105 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. 0/95 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-23 01:57:29,837 INFO L119 LiptonReduction]: Number of co-enabled transitions 1178 [2022-11-23 01:57:34,449 INFO L134 LiptonReduction]: Checked pairs total: 7410 [2022-11-23 01:57:34,450 INFO L136 LiptonReduction]: Total number of compositions: 99 [2022-11-23 01:57:34,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:57:34,492 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@778b986b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:57:34,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-23 01:57:34,494 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-23 01:57:34,495 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:57:34,496 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:57:34,497 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-23 01:57:34,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-23 01:57:34,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:34,508 INFO L85 PathProgramCache]: Analyzing trace with hash 382, now seen corresponding path program 1 times [2022-11-23 01:57:34,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:34,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56842822] [2022-11-23 01:57:34,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:34,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:34,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56842822] [2022-11-23 01:57:34,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56842822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:34,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:34,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 01:57:34,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083013122] [2022-11-23 01:57:34,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:34,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 01:57:34,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:34,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 01:57:34,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:57:34,675 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 213 [2022-11-23 01:57:34,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 30 transitions, 63 flow. Second operand has 2 states, 2 states have (on average 110.5) internal successors, (221), 2 states have internal predecessors, (221), 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) [2022-11-23 01:57:34,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:57:34,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 213 [2022-11-23 01:57:34,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:57:34,731 INFO L130 PetriNetUnfolder]: 33/106 cut-off events. [2022-11-23 01:57:34,731 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:57:34,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 106 events. 33/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 418 event pairs, 24 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 172. Up to 71 conditions per place. [2022-11-23 01:57:34,733 INFO L137 encePairwiseOnDemand]: 210/213 looper letters, 14 selfloop transitions, 0 changer transitions 0/27 dead transitions. [2022-11-23 01:57:34,734 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 27 transitions, 85 flow [2022-11-23 01:57:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 01:57:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 01:57:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2022-11-23 01:57:34,748 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5563380281690141 [2022-11-23 01:57:34,749 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 237 transitions. [2022-11-23 01:57:34,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 237 transitions. [2022-11-23 01:57:34,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:34,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 237 transitions. [2022-11-23 01:57:34,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 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) [2022-11-23 01:57:34,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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) [2022-11-23 01:57:34,770 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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) [2022-11-23 01:57:34,772 INFO L175 Difference]: Start difference. First operand has 32 places, 30 transitions, 63 flow. Second operand 2 states and 237 transitions. [2022-11-23 01:57:34,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 27 transitions, 85 flow [2022-11-23 01:57:34,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 27 transitions, 84 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 01:57:34,779 INFO L231 Difference]: Finished difference. Result has 30 places, 27 transitions, 56 flow [2022-11-23 01:57:34,781 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=56, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2022-11-23 01:57:34,785 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places. [2022-11-23 01:57:34,785 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 56 flow [2022-11-23 01:57:34,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.5) internal successors, (221), 2 states have internal predecessors, (221), 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) [2022-11-23 01:57:34,786 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:57:34,787 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 01:57:34,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:57:34,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-23 01:57:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 366315927, now seen corresponding path program 1 times [2022-11-23 01:57:34,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:34,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257361720] [2022-11-23 01:57:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:34,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:34,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:34,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257361720] [2022-11-23 01:57:34,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257361720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:34,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:34,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:57:34,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856484289] [2022-11-23 01:57:34,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:34,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:57:34,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:57:34,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:57:34,994 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 213 [2022-11-23 01:57:34,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2022-11-23 01:57:34,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:57:34,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 213 [2022-11-23 01:57:34,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:57:35,073 INFO L130 PetriNetUnfolder]: 64/207 cut-off events. [2022-11-23 01:57:35,073 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:57:35,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 207 events. 64/207 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 961 event pairs, 20 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 355. Up to 75 conditions per place. [2022-11-23 01:57:35,076 INFO L137 encePairwiseOnDemand]: 203/213 looper letters, 24 selfloop transitions, 8 changer transitions 0/41 dead transitions. [2022-11-23 01:57:35,076 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 148 flow [2022-11-23 01:57:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:57:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 01:57:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2022-11-23 01:57:35,079 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.513302034428795 [2022-11-23 01:57:35,079 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2022-11-23 01:57:35,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2022-11-23 01:57:35,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:35,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2022-11-23 01:57:35,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2022-11-23 01:57:35,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,084 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 56 flow. Second operand 3 states and 328 transitions. [2022-11-23 01:57:35,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 148 flow [2022-11-23 01:57:35,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 41 transitions, 148 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 01:57:35,085 INFO L231 Difference]: Finished difference. Result has 34 places, 34 transitions, 120 flow [2022-11-23 01:57:35,086 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=34, PETRI_TRANSITIONS=34} [2022-11-23 01:57:35,086 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 2 predicate places. [2022-11-23 01:57:35,086 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 120 flow [2022-11-23 01:57:35,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2022-11-23 01:57:35,087 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:57:35,087 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 01:57:35,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:57:35,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-23 01:57:35,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:35,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1528953791, now seen corresponding path program 1 times [2022-11-23 01:57:35,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:35,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983537595] [2022-11-23 01:57:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:35,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:35,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:35,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983537595] [2022-11-23 01:57:35,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983537595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:35,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:35,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:57:35,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468797140] [2022-11-23 01:57:35,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:35,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:57:35,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:35,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:57:35,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:57:35,202 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 213 [2022-11-23 01:57:35,203 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-11-23 01:57:35,203 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:57:35,203 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 213 [2022-11-23 01:57:35,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:57:35,269 INFO L130 PetriNetUnfolder]: 78/233 cut-off events. [2022-11-23 01:57:35,269 INFO L131 PetriNetUnfolder]: For 116/123 co-relation queries the response was YES. [2022-11-23 01:57:35,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 233 events. 78/233 cut-off events. For 116/123 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1117 event pairs, 32 based on Foata normal form. 2/210 useless extension candidates. Maximal degree in co-relation 532. Up to 137 conditions per place. [2022-11-23 01:57:35,276 INFO L137 encePairwiseOnDemand]: 207/213 looper letters, 24 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2022-11-23 01:57:35,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 218 flow [2022-11-23 01:57:35,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:57:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 01:57:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2022-11-23 01:57:35,280 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5039123630672926 [2022-11-23 01:57:35,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2022-11-23 01:57:35,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2022-11-23 01:57:35,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:35,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2022-11-23 01:57:35,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-11-23 01:57:35,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,286 INFO L175 Difference]: Start difference. First operand has 34 places, 34 transitions, 120 flow. Second operand 3 states and 322 transitions. [2022-11-23 01:57:35,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 218 flow [2022-11-23 01:57:35,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 01:57:35,292 INFO L231 Difference]: Finished difference. Result has 36 places, 40 transitions, 172 flow [2022-11-23 01:57:35,292 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=36, PETRI_TRANSITIONS=40} [2022-11-23 01:57:35,293 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 4 predicate places. [2022-11-23 01:57:35,294 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 40 transitions, 172 flow [2022-11-23 01:57:35,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-11-23 01:57:35,294 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:57:35,294 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:35,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:57:35,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-23 01:57:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:35,296 INFO L85 PathProgramCache]: Analyzing trace with hash -416471796, now seen corresponding path program 1 times [2022-11-23 01:57:35,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:35,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145279910] [2022-11-23 01:57:35,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:35,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:35,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145279910] [2022-11-23 01:57:35,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145279910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:35,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:35,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:57:35,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119161982] [2022-11-23 01:57:35,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:35,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:57:35,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:35,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:57:35,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:57:35,449 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 213 [2022-11-23 01:57:35,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 40 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2022-11-23 01:57:35,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:57:35,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 213 [2022-11-23 01:57:35,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:57:35,500 INFO L130 PetriNetUnfolder]: 23/106 cut-off events. [2022-11-23 01:57:35,500 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-11-23 01:57:35,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 106 events. 23/106 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 370 event pairs, 2 based on Foata normal form. 8/111 useless extension candidates. Maximal degree in co-relation 266. Up to 59 conditions per place. [2022-11-23 01:57:35,501 INFO L137 encePairwiseOnDemand]: 208/213 looper letters, 19 selfloop transitions, 5 changer transitions 0/37 dead transitions. [2022-11-23 01:57:35,501 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 196 flow [2022-11-23 01:57:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:57:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 01:57:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2022-11-23 01:57:35,507 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5179968701095462 [2022-11-23 01:57:35,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2022-11-23 01:57:35,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2022-11-23 01:57:35,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:35,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2022-11-23 01:57:35,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2022-11-23 01:57:35,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,515 INFO L175 Difference]: Start difference. First operand has 36 places, 40 transitions, 172 flow. Second operand 3 states and 331 transitions. [2022-11-23 01:57:35,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 196 flow [2022-11-23 01:57:35,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 37 transitions, 176 flow, removed 5 selfloop flow, removed 2 redundant places. [2022-11-23 01:57:35,520 INFO L231 Difference]: Finished difference. Result has 35 places, 34 transitions, 126 flow [2022-11-23 01:57:35,520 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=35, PETRI_TRANSITIONS=34} [2022-11-23 01:57:35,522 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2022-11-23 01:57:35,522 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 126 flow [2022-11-23 01:57:35,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2022-11-23 01:57:35,522 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:57:35,523 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:35,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:57:35,523 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-23 01:57:35,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:35,524 INFO L85 PathProgramCache]: Analyzing trace with hash 545866486, now seen corresponding path program 1 times [2022-11-23 01:57:35,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:35,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639127098] [2022-11-23 01:57:35,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:35,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:35,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:35,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639127098] [2022-11-23 01:57:35,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639127098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:35,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:35,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:57:35,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661690629] [2022-11-23 01:57:35,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:35,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:57:35,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:35,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:57:35,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:57:35,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 213 [2022-11-23 01:57:35,612 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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) [2022-11-23 01:57:35,612 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:57:35,612 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 213 [2022-11-23 01:57:35,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:57:35,638 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-23 01:57:35,638 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-23 01:57:35,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 34 events. 0/34 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2022-11-23 01:57:35,639 INFO L137 encePairwiseOnDemand]: 209/213 looper letters, 9 selfloop transitions, 3 changer transitions 3/19 dead transitions. [2022-11-23 01:57:35,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 19 transitions, 96 flow [2022-11-23 01:57:35,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:57:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 01:57:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2022-11-23 01:57:35,641 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49765258215962443 [2022-11-23 01:57:35,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2022-11-23 01:57:35,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2022-11-23 01:57:35,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:35,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2022-11-23 01:57:35,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2022-11-23 01:57:35,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,646 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,646 INFO L175 Difference]: Start difference. First operand has 35 places, 34 transitions, 126 flow. Second operand 3 states and 318 transitions. [2022-11-23 01:57:35,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 19 transitions, 96 flow [2022-11-23 01:57:35,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 19 transitions, 84 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-11-23 01:57:35,649 INFO L231 Difference]: Finished difference. Result has 27 places, 16 transitions, 53 flow [2022-11-23 01:57:35,650 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=53, PETRI_PLACES=27, PETRI_TRANSITIONS=16} [2022-11-23 01:57:35,652 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -5 predicate places. [2022-11-23 01:57:35,652 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 16 transitions, 53 flow [2022-11-23 01:57:35,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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) [2022-11-23 01:57:35,653 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:57:35,653 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:35,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:57:35,653 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-23 01:57:35,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash 175220341, now seen corresponding path program 1 times [2022-11-23 01:57:35,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:35,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457634486] [2022-11-23 01:57:35,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:35,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:35,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457634486] [2022-11-23 01:57:35,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457634486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:35,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:35,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:57:35,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786499463] [2022-11-23 01:57:35,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:35,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:57:35,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:35,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:57:35,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:57:35,755 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 213 [2022-11-23 01:57:35,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 16 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2022-11-23 01:57:35,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:57:35,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 213 [2022-11-23 01:57:35,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:57:35,777 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-23 01:57:35,777 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-23 01:57:35,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 23 events. 0/23 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 2/25 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2022-11-23 01:57:35,778 INFO L137 encePairwiseOnDemand]: 211/213 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2022-11-23 01:57:35,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 15 transitions, 73 flow [2022-11-23 01:57:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:57:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 01:57:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2022-11-23 01:57:35,779 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4835680751173709 [2022-11-23 01:57:35,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2022-11-23 01:57:35,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2022-11-23 01:57:35,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:35,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2022-11-23 01:57:35,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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) [2022-11-23 01:57:35,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2022-11-23 01:57:35,783 INFO L175 Difference]: Start difference. First operand has 27 places, 16 transitions, 53 flow. Second operand 3 states and 309 transitions. [2022-11-23 01:57:35,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 15 transitions, 73 flow [2022-11-23 01:57:35,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 15 transitions, 57 flow, removed 1 selfloop flow, removed 4 redundant places. [2022-11-23 01:57:35,785 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2022-11-23 01:57:35,786 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=35, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2022-11-23 01:57:35,788 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -10 predicate places. [2022-11-23 01:57:35,788 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2022-11-23 01:57:35,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2022-11-23 01:57:35,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-23 01:57:35,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-23 01:57:35,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-23 01:57:35,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-11-23 01:57:35,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-23 01:57:35,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-23 01:57:35,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-23 01:57:35,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-23 01:57:35,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-23 01:57:35,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-23 01:57:35,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 01:57:35,799 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 01:57:35,804 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 01:57:35,804 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:57:35,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:57:35 BasicIcfg [2022-11-23 01:57:35,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:57:35,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:57:35,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:57:35,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:57:35,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:29" (3/4) ... [2022-11-23 01:57:35,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 01:57:35,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 01:57:35,830 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 01:57:35,830 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 01:57:35,831 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 01:57:35,831 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 01:57:35,831 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 01:57:35,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:57:35,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:57:35,867 INFO L158 Benchmark]: Toolchain (without parser) took 7794.76ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 86.7MB in the beginning and 123.4MB in the end (delta: -36.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-11-23 01:57:35,868 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:57:35,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.48ms. Allocated memory is still 132.1MB. Free memory was 86.7MB in the beginning and 67.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 01:57:35,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.87ms. Allocated memory is still 132.1MB. Free memory was 67.0MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:57:35,869 INFO L158 Benchmark]: Boogie Preprocessor took 58.75ms. Allocated memory is still 132.1MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:57:35,869 INFO L158 Benchmark]: RCFGBuilder took 708.95ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 63.2MB in the beginning and 155.3MB in the end (delta: -92.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-23 01:57:35,870 INFO L158 Benchmark]: TraceAbstraction took 6223.66ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 126.6MB in the end (delta: 28.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-23 01:57:35,870 INFO L158 Benchmark]: Witness Printer took 53.89ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 123.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 01:57:35,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.48ms. Allocated memory is still 132.1MB. Free memory was 86.7MB in the beginning and 67.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.87ms. Allocated memory is still 132.1MB. Free memory was 67.0MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.75ms. Allocated memory is still 132.1MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 708.95ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 63.2MB in the beginning and 155.3MB in the end (delta: -92.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6223.66ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 126.6MB in the end (delta: 28.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 53.89ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 123.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 106 PlacesBefore, 32 PlacesAfterwards, 105 TransitionsBefore, 30 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 10 FixpointIterations, 62 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 99 TotalNumberOfCompositions, 7410 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2637, independent: 2182, independent conditional: 0, independent unconditional: 2182, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 919, independent: 853, independent conditional: 0, independent unconditional: 853, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 919, independent: 787, independent conditional: 0, independent unconditional: 787, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 132, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 208, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2637, independent: 1329, independent conditional: 0, independent unconditional: 1329, dependent: 389, dependent conditional: 0, dependent unconditional: 389, unknown: 919, unknown conditional: 0, unknown unconditional: 919] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 144, Positive conditional cache size: 0, Positive unconditional cache size: 144, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 132 locations, 10 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: 6.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 8 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 0.4s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 01:57:35,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d352d2a6-fcc1-4aee-8ce3-293a97c29f87/bin/uautomizer-QkZJyEgLgS/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 Result: TRUE