./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2b-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2b-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8 --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 475c64db2a2029c09985266553634853aa5ae7653363254bdcc8a56a9d27dc04 --- 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-2329fc7 [2022-12-13 16:02:47,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:02:47,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:02:47,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:02:47,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:02:47,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:02:47,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:02:47,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:02:47,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:02:47,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:02:47,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:02:47,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:02:47,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:02:47,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:02:47,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:02:47,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:02:47,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:02:48,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:02:48,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:02:48,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:02:48,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:02:48,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:02:48,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:02:48,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:02:48,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:02:48,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:02:48,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:02:48,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:02:48,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:02:48,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:02:48,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:02:48,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:02:48,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:02:48,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:02:48,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:02:48,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:02:48,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:02:48,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:02:48,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:02:48,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:02:48,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:02:48,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 16:02:48,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:02:48,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:02:48,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:02:48,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:02:48,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:02:48,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:02:48,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:02:48,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:02:48,031 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:02:48,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:02:48,031 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:02:48,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 16:02:48,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:02:48,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:02:48,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:02:48,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:02:48,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:02:48,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:02:48,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:02:48,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:02:48,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:02:48,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:02:48,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:02:48,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:02:48,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:02:48,034 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:02:48,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:02:48,035 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:02:48,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:02:48,035 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:02:48,035 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_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 475c64db2a2029c09985266553634853aa5ae7653363254bdcc8a56a9d27dc04 [2022-12-13 16:02:48,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:02:48,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:02:48,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:02:48,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:02:48,223 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:02:48,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-races/race-1_2b-join.i [2022-12-13 16:02:50,808 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:02:51,054 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:02:51,054 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/sv-benchmarks/c/ldv-races/race-1_2b-join.i [2022-12-13 16:02:51,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/data/031708556/15deff587d83417c915041c98fedfac0/FLAG1f5bf7715 [2022-12-13 16:02:51,087 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/data/031708556/15deff587d83417c915041c98fedfac0 [2022-12-13 16:02:51,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:02:51,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:02:51,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:02:51,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:02:51,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:02:51,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299fb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51, skipping insertion in model container [2022-12-13 16:02:51,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:02:51,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:02:51,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/sv-benchmarks/c/ldv-races/race-1_2b-join.i[76069,76082] [2022-12-13 16:02:51,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:02:51,595 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:02:51,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/sv-benchmarks/c/ldv-races/race-1_2b-join.i[76069,76082] [2022-12-13 16:02:51,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:02:51,733 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:02:51,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51 WrapperNode [2022-12-13 16:02:51,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:02:51,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:02:51,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:02:51,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:02:51,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,774 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2022-12-13 16:02:51,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:02:51,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:02:51,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:02:51,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:02:51,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:02:51,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:02:51,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:02:51,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:02:51,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (1/1) ... [2022-12-13 16:02:51,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:02:51,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:02:51,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:02:51,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:02:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:02:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 16:02:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 16:02:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:02:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:02:51,856 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 16:02:52,077 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:02:52,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:02:52,255 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:02:52,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:02:52,264 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:02:52,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:02:52 BoogieIcfgContainer [2022-12-13 16:02:52,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:02:52,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:02:52,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:02:52,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:02:52,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:02:51" (1/3) ... [2022-12-13 16:02:52,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dee9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:02:52, skipping insertion in model container [2022-12-13 16:02:52,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:02:51" (2/3) ... [2022-12-13 16:02:52,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dee9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:02:52, skipping insertion in model container [2022-12-13 16:02:52,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:02:52" (3/3) ... [2022-12-13 16:02:52,276 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2b-join.i [2022-12-13 16:02:52,285 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 16:02:52,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:02:52,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 16:02:52,297 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:02:52,346 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 16:02:52,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 314 flow [2022-12-13 16:02:52,434 INFO L130 PetriNetUnfolder]: 5/173 cut-off events. [2022-12-13 16:02:52,434 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 16:02:52,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 173 events. 5/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 213 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 93. Up to 3 conditions per place. [2022-12-13 16:02:52,439 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 153 transitions, 314 flow [2022-12-13 16:02:52,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 139 transitions, 284 flow [2022-12-13 16:02:52,447 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:02:52,457 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 139 transitions, 284 flow [2022-12-13 16:02:52,459 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 139 transitions, 284 flow [2022-12-13 16:02:52,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 139 transitions, 284 flow [2022-12-13 16:02:52,489 INFO L130 PetriNetUnfolder]: 3/160 cut-off events. [2022-12-13 16:02:52,489 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 16:02:52,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 160 events. 3/160 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 207 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2022-12-13 16:02:52,491 INFO L119 LiptonReduction]: Number of co-enabled transitions 1008 [2022-12-13 16:02:55,960 INFO L134 LiptonReduction]: Checked pairs total: 2118 [2022-12-13 16:02:55,960 INFO L136 LiptonReduction]: Total number of compositions: 149 [2022-12-13 16:02:55,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:02:55,974 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;@6e52d0eb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:02:55,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-13 16:02:55,975 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 16:02:55,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:02:55,975 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:02:55,975 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 16:02:55,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 16:02:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:02:55,979 INFO L85 PathProgramCache]: Analyzing trace with hash 525, now seen corresponding path program 1 times [2022-12-13 16:02:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:02:55,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89057047] [2022-12-13 16:02:55,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:02:55,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:02:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:02:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:02:56,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:02:56,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89057047] [2022-12-13 16:02:56,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89057047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:02:56,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:02:56,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 16:02:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726591937] [2022-12-13 16:02:56,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:02:56,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:02:56,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:02:56,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:02:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:02:56,149 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 302 [2022-12-13 16:02:56,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 56 flow. Second operand has 2 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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) [2022-12-13 16:02:56,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:02:56,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 302 [2022-12-13 16:02:56,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:02:56,189 INFO L130 PetriNetUnfolder]: 18/59 cut-off events. [2022-12-13 16:02:56,189 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 16:02:56,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 59 events. 18/59 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 161 event pairs, 18 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 98. Up to 52 conditions per place. [2022-12-13 16:02:56,191 INFO L137 encePairwiseOnDemand]: 295/302 looper letters, 11 selfloop transitions, 0 changer transitions 2/18 dead transitions. [2022-12-13 16:02:56,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 18 transitions, 68 flow [2022-12-13 16:02:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:02:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 16:02:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 306 transitions. [2022-12-13 16:02:56,201 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5066225165562914 [2022-12-13 16:02:56,201 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 306 transitions. [2022-12-13 16:02:56,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 306 transitions. [2022-12-13 16:02:56,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:02:56,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 306 transitions. [2022-12-13 16:02:56,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 153.0) internal successors, (306), 2 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) [2022-12-13 16:02:56,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 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) [2022-12-13 16:02:56,211 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 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) [2022-12-13 16:02:56,212 INFO L175 Difference]: Start difference. First operand has 28 places, 25 transitions, 56 flow. Second operand 2 states and 306 transitions. [2022-12-13 16:02:56,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 18 transitions, 68 flow [2022-12-13 16:02:56,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 18 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 16:02:56,215 INFO L231 Difference]: Finished difference. Result has 20 places, 16 transitions, 33 flow [2022-12-13 16:02:56,217 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=33, PETRI_PLACES=20, PETRI_TRANSITIONS=16} [2022-12-13 16:02:56,219 INFO L288 CegarLoopForPetriNet]: 28 programPoint places, -8 predicate places. [2022-12-13 16:02:56,220 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 16 transitions, 33 flow [2022-12-13 16:02:56,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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) [2022-12-13 16:02:56,220 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:02:56,220 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 16:02:56,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:02:56,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 16:02:56,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:02:56,221 INFO L85 PathProgramCache]: Analyzing trace with hash 503162083, now seen corresponding path program 1 times [2022-12-13 16:02:56,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:02:56,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812979632] [2022-12-13 16:02:56,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:02:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:02:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:02:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:02:56,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:02:56,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812979632] [2022-12-13 16:02:56,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812979632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:02:56,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:02:56,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:02:56,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634246740] [2022-12-13 16:02:56,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:02:56,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:02:56,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:02:56,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:02:56,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:02:56,373 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 302 [2022-12-13 16:02:56,374 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 16 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2022-12-13 16:02:56,374 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:02:56,374 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 302 [2022-12-13 16:02:56,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:02:56,402 INFO L130 PetriNetUnfolder]: 26/75 cut-off events. [2022-12-13 16:02:56,402 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:02:56,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 75 events. 26/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 216 event pairs, 22 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 143. Up to 62 conditions per place. [2022-12-13 16:02:56,403 INFO L137 encePairwiseOnDemand]: 298/302 looper letters, 15 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2022-12-13 16:02:56,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 77 flow [2022-12-13 16:02:56,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:02:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:02:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2022-12-13 16:02:56,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4481236203090508 [2022-12-13 16:02:56,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 406 transitions. [2022-12-13 16:02:56,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 406 transitions. [2022-12-13 16:02:56,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:02:56,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 406 transitions. [2022-12-13 16:02:56,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2022-12-13 16:02:56,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-12-13 16:02:56,408 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-12-13 16:02:56,408 INFO L175 Difference]: Start difference. First operand has 20 places, 16 transitions, 33 flow. Second operand 3 states and 406 transitions. [2022-12-13 16:02:56,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 20 transitions, 77 flow [2022-12-13 16:02:56,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 77 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 16:02:56,409 INFO L231 Difference]: Finished difference. Result has 22 places, 18 transitions, 52 flow [2022-12-13 16:02:56,409 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=22, PETRI_TRANSITIONS=18} [2022-12-13 16:02:56,409 INFO L288 CegarLoopForPetriNet]: 28 programPoint places, -6 predicate places. [2022-12-13 16:02:56,409 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 18 transitions, 52 flow [2022-12-13 16:02:56,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2022-12-13 16:02:56,410 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:02:56,410 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 16:02:56,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:02:56,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 16:02:56,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:02:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash 503164104, now seen corresponding path program 1 times [2022-12-13 16:02:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:02:56,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710897428] [2022-12-13 16:02:56,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:02:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:02:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:02:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:02:56,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:02:56,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710897428] [2022-12-13 16:02:56,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710897428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:02:56,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:02:56,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:02:56,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720516854] [2022-12-13 16:02:56,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:02:56,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:02:56,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:02:56,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:02:56,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:02:56,499 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 302 [2022-12-13 16:02:56,500 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2022-12-13 16:02:56,500 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:02:56,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 302 [2022-12-13 16:02:56,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:02:56,536 INFO L130 PetriNetUnfolder]: 36/93 cut-off events. [2022-12-13 16:02:56,537 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-13 16:02:56,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 93 events. 36/93 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 280 event pairs, 20 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 209. Up to 74 conditions per place. [2022-12-13 16:02:56,538 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 16 selfloop transitions, 5 changer transitions 4/27 dead transitions. [2022-12-13 16:02:56,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 125 flow [2022-12-13 16:02:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:02:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:02:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2022-12-13 16:02:56,540 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45695364238410596 [2022-12-13 16:02:56,540 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 414 transitions. [2022-12-13 16:02:56,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 414 transitions. [2022-12-13 16:02:56,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:02:56,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 414 transitions. [2022-12-13 16:02:56,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-12-13 16:02:56,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-12-13 16:02:56,545 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-12-13 16:02:56,545 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 52 flow. Second operand 3 states and 414 transitions. [2022-12-13 16:02:56,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 125 flow [2022-12-13 16:02:56,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 121 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:02:56,546 INFO L231 Difference]: Finished difference. Result has 24 places, 21 transitions, 80 flow [2022-12-13 16:02:56,547 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=24, PETRI_TRANSITIONS=21} [2022-12-13 16:02:56,547 INFO L288 CegarLoopForPetriNet]: 28 programPoint places, -4 predicate places. [2022-12-13 16:02:56,547 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 21 transitions, 80 flow [2022-12-13 16:02:56,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2022-12-13 16:02:56,548 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:02:56,548 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:02:56,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:02:56,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 16:02:56,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:02:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1786168591, now seen corresponding path program 1 times [2022-12-13 16:02:56,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:02:56,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847626385] [2022-12-13 16:02:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:02:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:02:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:02:56,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:02:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:02:56,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:02:56,617 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:02:56,618 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-12-13 16:02:56,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-12-13 16:02:56,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-12-13 16:02:56,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-12-13 16:02:56,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-12-13 16:02:56,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-12-13 16:02:56,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-12-13 16:02:56,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-12-13 16:02:56,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-12-13 16:02:56,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-12-13 16:02:56,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2022-12-13 16:02:56,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-12-13 16:02:56,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:02:56,622 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 16:02:56,629 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 16:02:56,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:02:56,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:02:56 BasicIcfg [2022-12-13 16:02:56,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:02:56,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:02:56,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:02:56,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:02:56,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:02:52" (3/4) ... [2022-12-13 16:02:56,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:02:56,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:02:56,649 INFO L158 Benchmark]: Toolchain (without parser) took 5557.78ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 93.8MB in the beginning and 76.7MB in the end (delta: 17.1MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,649 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:02:56,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.50ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 93.3MB in the beginning and 139.6MB in the end (delta: -46.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.35ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 136.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,650 INFO L158 Benchmark]: Boogie Preprocessor took 26.63ms. Allocated memory is still 184.5MB. Free memory was 136.4MB in the beginning and 133.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,650 INFO L158 Benchmark]: RCFGBuilder took 464.49ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 112.3MB in the end (delta: 21.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,650 INFO L158 Benchmark]: TraceAbstraction took 4375.56ms. Allocated memory is still 184.5MB. Free memory was 111.3MB in the beginning and 77.7MB in the end (delta: 33.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,650 INFO L158 Benchmark]: Witness Printer took 2.74ms. Allocated memory is still 184.5MB. Free memory was 77.7MB in the beginning and 76.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:02:56,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.50ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 93.3MB in the beginning and 139.6MB in the end (delta: -46.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.35ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 136.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.63ms. Allocated memory is still 184.5MB. Free memory was 136.4MB in the beginning and 133.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.49ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 112.3MB in the end (delta: 21.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4375.56ms. Allocated memory is still 184.5MB. Free memory was 111.3MB in the beginning and 77.7MB in the end (delta: 33.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 2.74ms. Allocated memory is still 184.5MB. Free memory was 77.7MB in the beginning and 76.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 139 PlacesBefore, 28 PlacesAfterwards, 139 TransitionsBefore, 25 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 8 FixpointIterations, 93 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 149 TotalNumberOfCompositions, 2118 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1129, independent: 951, independent conditional: 0, independent unconditional: 951, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 548, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1129, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 548, unknown conditional: 0, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 22, Positive conditional cache size: 0, Positive unconditional cache size: 22, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1709]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; [L1695] 0 pthread_mutex_t mutex; [L1696] 0 int pdev; [L1726] CALL 0 module_init() [L1705] 0 pdev = 1 [L1706] EXPR 0 pdev==1 [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1709] 0 pdev = 2 VAL [arg={0:0}, mutex={4:0}, pdev=2, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}] [L1709] 0 pdev = 2 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 2=1150, t1={3:0}] [L1709] 0 pdev = 2 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 2=1150, pdev = 6=1153, t1={3:0}] Now there is a data race on ~pdev~0 between C: pdev = 6 [1699] and C: pdev = 2 [1709] - UnprovableResult [Line: 1699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 162 locations, 12 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: 4.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 1 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:02:56,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c87079f-63f2-49df-a46b-dada9b36f4af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE