./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-easy11.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-easy11.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8 --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 a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 --- 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-e04fb08 [2022-11-16 11:59:00,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:59:00,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:59:00,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:59:00,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:59:00,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:59:00,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:59:00,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:59:00,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:59:00,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:59:00,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:59:00,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:59:00,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:59:00,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:59:00,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:59:00,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:59:00,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:59:00,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:59:00,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:59:00,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:59:00,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:59:00,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:59:00,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:59:00,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:59:00,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:59:00,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:59:00,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:59:00,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:59:00,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:59:00,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:59:00,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:59:00,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:59:00,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:59:00,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:59:00,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:59:00,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:59:00,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:59:00,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:59:00,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:59:00,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:59:00,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:59:00,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:59:00,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:59:00,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:59:00,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:59:00,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:59:00,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:59:00,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:59:00,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:59:00,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:59:00,983 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:59:00,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:59:00,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:59:00,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:59:00,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:59:00,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:59:00,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:59:00,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:59:00,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:59:00,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:59:00,986 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:59:00,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:59:00,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:59:00,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:59:00,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:59:00,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:59:00,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:59:00,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:59:00,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:00,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:59:00,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:59:00,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:59:00,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:59:00,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:59:00,989 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:59:00,990 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:59:00,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:59:00,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 [2022-11-16 11:59:01,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:59:01,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:59:01,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:59:01,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:59:01,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:59:01,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/test-easy11.wvr.c [2022-11-16 11:59:01,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/data/73527d77d/5d6ad5e95df245bd90c19ceb1a27096c/FLAGf1cca6f38 [2022-11-16 11:59:01,853 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:59:01,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/sv-benchmarks/c/weaver/test-easy11.wvr.c [2022-11-16 11:59:01,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/data/73527d77d/5d6ad5e95df245bd90c19ceb1a27096c/FLAGf1cca6f38 [2022-11-16 11:59:02,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/data/73527d77d/5d6ad5e95df245bd90c19ceb1a27096c [2022-11-16 11:59:02,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:59:02,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:59:02,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:02,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:59:02,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:59:02,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2363ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02, skipping insertion in model container [2022-11-16 11:59:02,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:59:02,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:59:02,507 WARN L229 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_8155d8b9-b645-4e04-a861-99d0931ac402/sv-benchmarks/c/weaver/test-easy11.wvr.c[2005,2018] [2022-11-16 11:59:02,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:02,516 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:59:02,539 WARN L229 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_8155d8b9-b645-4e04-a861-99d0931ac402/sv-benchmarks/c/weaver/test-easy11.wvr.c[2005,2018] [2022-11-16 11:59:02,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:02,558 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:59:02,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02 WrapperNode [2022-11-16 11:59:02,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:02,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:02,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:59:02,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:59:02,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,625 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-16 11:59:02,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:02,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:59:02,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:59:02,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:59:02,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:59:02,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:59:02,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:59:02,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:59:02,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (1/1) ... [2022-11-16 11:59:02,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:02,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:59:02,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:59:02,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:59:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:59:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:59:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:59:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:59:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:59:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:59:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:59:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:59:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:59:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:59:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:59:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:59:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:59:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:59:02,782 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:59:02,934 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:59:02,936 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:59:03,220 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:59:03,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:59:03,273 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:59:03,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:03 BoogieIcfgContainer [2022-11-16 11:59:03,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:59:03,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:59:03,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:59:03,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:59:03,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:59:02" (1/3) ... [2022-11-16 11:59:03,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466c8853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:03, skipping insertion in model container [2022-11-16 11:59:03,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:02" (2/3) ... [2022-11-16 11:59:03,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466c8853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:03, skipping insertion in model container [2022-11-16 11:59:03,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:03" (3/3) ... [2022-11-16 11:59:03,287 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2022-11-16 11:59:03,296 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:59:03,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:59:03,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-11-16 11:59:03,307 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:59:03,368 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 11:59:03,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 119 transitions, 254 flow [2022-11-16 11:59:03,506 INFO L130 PetriNetUnfolder]: 6/117 cut-off events. [2022-11-16 11:59:03,507 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:59:03,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 6/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2022-11-16 11:59:03,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 119 transitions, 254 flow [2022-11-16 11:59:03,517 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 99 transitions, 210 flow [2022-11-16 11:59:03,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:59:03,534 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;@72b91333, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:59:03,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-11-16 11:59:03,540 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-11-16 11:59:03,540 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:59:03,540 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:03,541 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:03,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-11-16 11:59:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1496755345, now seen corresponding path program 1 times [2022-11-16 11:59:03,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:03,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580268817] [2022-11-16 11:59:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:03,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:03,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:03,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580268817] [2022-11-16 11:59:03,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580268817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:03,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:03,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142726421] [2022-11-16 11:59:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:03,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:03,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:03,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:03,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:03,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 119 [2022-11-16 11:59:03,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 99 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2022-11-16 11:59:03,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:03,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 119 [2022-11-16 11:59:03,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:04,120 INFO L130 PetriNetUnfolder]: 33/203 cut-off events. [2022-11-16 11:59:04,121 INFO L131 PetriNetUnfolder]: For 27/49 co-relation queries the response was YES. [2022-11-16 11:59:04,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 203 events. 33/203 cut-off events. For 27/49 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 696 event pairs, 24 based on Foata normal form. 13/183 useless extension candidates. Maximal degree in co-relation 194. Up to 67 conditions per place. [2022-11-16 11:59:04,125 INFO L137 encePairwiseOnDemand]: 109/119 looper letters, 18 selfloop transitions, 2 changer transitions 1/91 dead transitions. [2022-11-16 11:59:04,125 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 91 transitions, 234 flow [2022-11-16 11:59:04,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:04,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2022-11-16 11:59:04,150 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8263305322128851 [2022-11-16 11:59:04,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 295 transitions. [2022-11-16 11:59:04,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 295 transitions. [2022-11-16 11:59:04,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:04,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 295 transitions. [2022-11-16 11:59:04,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2022-11-16 11:59:04,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-11-16 11:59:04,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-11-16 11:59:04,175 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 210 flow. Second operand 3 states and 295 transitions. [2022-11-16 11:59:04,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 91 transitions, 234 flow [2022-11-16 11:59:04,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 226 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:59:04,185 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 188 flow [2022-11-16 11:59:04,187 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2022-11-16 11:59:04,191 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -7 predicate places. [2022-11-16 11:59:04,192 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 188 flow [2022-11-16 11:59:04,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2022-11-16 11:59:04,193 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:04,193 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:04,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:59:04,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-11-16 11:59:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1301977124, now seen corresponding path program 1 times [2022-11-16 11:59:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:04,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003544624] [2022-11-16 11:59:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:04,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:04,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:04,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003544624] [2022-11-16 11:59:04,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003544624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:04,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:04,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:04,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190309380] [2022-11-16 11:59:04,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:04,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:04,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:04,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:04,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:04,314 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 119 [2022-11-16 11:59:04,315 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2022-11-16 11:59:04,315 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:04,315 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 119 [2022-11-16 11:59:04,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:04,369 INFO L130 PetriNetUnfolder]: 23/173 cut-off events. [2022-11-16 11:59:04,369 INFO L131 PetriNetUnfolder]: For 6/20 co-relation queries the response was YES. [2022-11-16 11:59:04,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 173 events. 23/173 cut-off events. For 6/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 512 event pairs, 15 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 197. Up to 42 conditions per place. [2022-11-16 11:59:04,372 INFO L137 encePairwiseOnDemand]: 115/119 looper letters, 13 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2022-11-16 11:59:04,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 87 transitions, 210 flow [2022-11-16 11:59:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2022-11-16 11:59:04,374 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8207282913165266 [2022-11-16 11:59:04,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 293 transitions. [2022-11-16 11:59:04,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 293 transitions. [2022-11-16 11:59:04,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:04,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 293 transitions. [2022-11-16 11:59:04,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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) [2022-11-16 11:59:04,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-11-16 11:59:04,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-11-16 11:59:04,378 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 188 flow. Second operand 3 states and 293 transitions. [2022-11-16 11:59:04,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 87 transitions, 210 flow [2022-11-16 11:59:04,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 87 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:04,380 INFO L231 Difference]: Finished difference. Result has 90 places, 87 transitions, 180 flow [2022-11-16 11:59:04,381 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=90, PETRI_TRANSITIONS=87} [2022-11-16 11:59:04,382 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -11 predicate places. [2022-11-16 11:59:04,382 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 87 transitions, 180 flow [2022-11-16 11:59:04,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2022-11-16 11:59:04,382 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:04,383 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:04,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:59:04,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-11-16 11:59:04,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2011702135, now seen corresponding path program 1 times [2022-11-16 11:59:04,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:04,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421435749] [2022-11-16 11:59:04,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:04,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:04,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:04,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421435749] [2022-11-16 11:59:04,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421435749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:04,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:04,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:59:04,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844094679] [2022-11-16 11:59:04,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:04,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:04,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:04,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:04,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:04,972 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2022-11-16 11:59:04,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 87.83333333333333) internal successors, (527), 6 states have internal predecessors, (527), 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) [2022-11-16 11:59:04,973 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:04,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2022-11-16 11:59:04,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:05,100 INFO L130 PetriNetUnfolder]: 35/154 cut-off events. [2022-11-16 11:59:05,100 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:59:05,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 154 events. 35/154 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 469 event pairs, 6 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 212. Up to 38 conditions per place. [2022-11-16 11:59:05,102 INFO L137 encePairwiseOnDemand]: 114/119 looper letters, 25 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2022-11-16 11:59:05,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 94 transitions, 252 flow [2022-11-16 11:59:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:59:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:59:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 546 transitions. [2022-11-16 11:59:05,105 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2022-11-16 11:59:05,105 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 546 transitions. [2022-11-16 11:59:05,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 546 transitions. [2022-11-16 11:59:05,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:05,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 546 transitions. [2022-11-16 11:59:05,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 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) [2022-11-16 11:59:05,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2022-11-16 11:59:05,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2022-11-16 11:59:05,110 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 180 flow. Second operand 6 states and 546 transitions. [2022-11-16 11:59:05,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 94 transitions, 252 flow [2022-11-16 11:59:05,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:59:05,113 INFO L231 Difference]: Finished difference. Result has 93 places, 86 transitions, 185 flow [2022-11-16 11:59:05,113 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=185, PETRI_PLACES=93, PETRI_TRANSITIONS=86} [2022-11-16 11:59:05,114 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -8 predicate places. [2022-11-16 11:59:05,114 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 86 transitions, 185 flow [2022-11-16 11:59:05,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.83333333333333) internal successors, (527), 6 states have internal predecessors, (527), 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) [2022-11-16 11:59:05,115 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:05,115 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:05,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:59:05,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-11-16 11:59:05,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2071770034, now seen corresponding path program 1 times [2022-11-16 11:59:05,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136803834] [2022-11-16 11:59:05,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:05,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:05,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136803834] [2022-11-16 11:59:05,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136803834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:05,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:05,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:59:05,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742912979] [2022-11-16 11:59:05,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:05,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:05,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:05,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:05,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:05,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2022-11-16 11:59:05,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 86 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2022-11-16 11:59:05,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:05,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2022-11-16 11:59:05,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:05,730 INFO L130 PetriNetUnfolder]: 33/155 cut-off events. [2022-11-16 11:59:05,731 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:59:05,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 155 events. 33/155 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 469 event pairs, 25 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 223. Up to 60 conditions per place. [2022-11-16 11:59:05,732 INFO L137 encePairwiseOnDemand]: 114/119 looper letters, 20 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2022-11-16 11:59:05,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 89 transitions, 239 flow [2022-11-16 11:59:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:59:05,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:59:05,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 541 transitions. [2022-11-16 11:59:05,735 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.757703081232493 [2022-11-16 11:59:05,735 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 541 transitions. [2022-11-16 11:59:05,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 541 transitions. [2022-11-16 11:59:05,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:05,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 541 transitions. [2022-11-16 11:59:05,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 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) [2022-11-16 11:59:05,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2022-11-16 11:59:05,739 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2022-11-16 11:59:05,739 INFO L175 Difference]: Start difference. First operand has 93 places, 86 transitions, 185 flow. Second operand 6 states and 541 transitions. [2022-11-16 11:59:05,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 89 transitions, 239 flow [2022-11-16 11:59:05,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 89 transitions, 232 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:59:05,742 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 184 flow [2022-11-16 11:59:05,743 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=184, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2022-11-16 11:59:05,743 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -8 predicate places. [2022-11-16 11:59:05,744 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 184 flow [2022-11-16 11:59:05,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2022-11-16 11:59:05,744 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:05,744 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:05,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:59:05,745 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-11-16 11:59:05,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,745 INFO L85 PathProgramCache]: Analyzing trace with hash -603898815, now seen corresponding path program 1 times [2022-11-16 11:59:05,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423125286] [2022-11-16 11:59:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:05,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:05,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423125286] [2022-11-16 11:59:05,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423125286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:05,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:05,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860679030] [2022-11-16 11:59:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:05,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:05,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:05,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:05,800 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 119 [2022-11-16 11:59:05,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2022-11-16 11:59:05,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:05,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 119 [2022-11-16 11:59:05,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:05,822 INFO L130 PetriNetUnfolder]: 5/101 cut-off events. [2022-11-16 11:59:05,823 INFO L131 PetriNetUnfolder]: For 3/5 co-relation queries the response was YES. [2022-11-16 11:59:05,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 101 events. 5/101 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 3 based on Foata normal form. 1/100 useless extension candidates. Maximal degree in co-relation 104. Up to 13 conditions per place. [2022-11-16 11:59:05,823 INFO L137 encePairwiseOnDemand]: 117/119 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2022-11-16 11:59:05,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 84 transitions, 196 flow [2022-11-16 11:59:05,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2022-11-16 11:59:05,825 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8711484593837535 [2022-11-16 11:59:05,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2022-11-16 11:59:05,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2022-11-16 11:59:05,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:05,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2022-11-16 11:59:05,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2022-11-16 11:59:05,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-11-16 11:59:05,828 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-11-16 11:59:05,828 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 184 flow. Second operand 3 states and 311 transitions. [2022-11-16 11:59:05,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 84 transitions, 196 flow [2022-11-16 11:59:05,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 84 transitions, 189 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:59:05,830 INFO L231 Difference]: Finished difference. Result has 90 places, 0 transitions, 0 flow [2022-11-16 11:59:05,830 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=90, PETRI_TRANSITIONS=0} [2022-11-16 11:59:05,831 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -11 predicate places. [2022-11-16 11:59:05,831 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 0 transitions, 0 flow [2022-11-16 11:59:05,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2022-11-16 11:59:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 19 remaining) [2022-11-16 11:59:05,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2022-11-16 11:59:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2022-11-16 11:59:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2022-11-16 11:59:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2022-11-16 11:59:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2022-11-16 11:59:05,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2022-11-16 11:59:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2022-11-16 11:59:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2022-11-16 11:59:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2022-11-16 11:59:05,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2022-11-16 11:59:05,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 19 remaining) [2022-11-16 11:59:05,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 19 remaining) [2022-11-16 11:59:05,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2022-11-16 11:59:05,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2022-11-16 11:59:05,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2022-11-16 11:59:05,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2022-11-16 11:59:05,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2022-11-16 11:59:05,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2022-11-16 11:59:05,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:59:05,839 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 11:59:05,844 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:59:05,845 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:59:05,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:59:05 BasicIcfg [2022-11-16 11:59:05,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:59:05,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:59:05,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:59:05,852 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:59:05,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:03" (3/4) ... [2022-11-16 11:59:05,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:59:05,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:59:05,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:59:05,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 11:59:05,870 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:59:05,870 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:59:05,870 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:59:05,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:59:05,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:59:05,913 INFO L158 Benchmark]: Toolchain (without parser) took 3686.08ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 60.7MB in the beginning and 70.7MB in the end (delta: -10.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-11-16 11:59:05,914 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:05,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.26ms. Allocated memory is still 104.9MB. Free memory was 60.5MB in the beginning and 77.5MB in the end (delta: -16.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:59:05,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:05,917 INFO L158 Benchmark]: Boogie Preprocessor took 56.06ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 74.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:05,918 INFO L158 Benchmark]: RCFGBuilder took 591.25ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 57.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:59:05,918 INFO L158 Benchmark]: TraceAbstraction took 2573.06ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 56.6MB in the beginning and 73.8MB in the end (delta: -17.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-16 11:59:05,918 INFO L158 Benchmark]: Witness Printer took 60.54ms. Allocated memory is still 159.4MB. Free memory was 73.8MB in the beginning and 70.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:05,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.26ms. Allocated memory is still 104.9MB. Free memory was 60.5MB in the beginning and 77.5MB in the end (delta: -16.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.06ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 74.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.25ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 57.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2573.06ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 56.6MB in the beginning and 73.8MB in the end (delta: -17.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 60.54ms. Allocated memory is still 159.4MB. Free memory was 73.8MB in the beginning and 70.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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 5 procedures, 146 locations, 19 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: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 34 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 1.3s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:59:05,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8155d8b9-b645-4e04-a861-99d0931ac402/bin/uautomizer-tPACEb0tL8/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