./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- 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-6b4ec56 [2022-11-20 20:07:30,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:07:30,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:07:30,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:07:30,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:07:30,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:07:30,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:07:30,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:07:30,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:07:30,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:07:30,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:07:30,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:07:30,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:07:30,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:07:30,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:07:30,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:07:30,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:07:30,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:07:30,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:07:30,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:07:30,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:07:30,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:07:30,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:07:30,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:07:30,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:07:30,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:07:30,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:07:30,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:07:30,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:07:30,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:07:30,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:07:30,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:07:30,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:07:30,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:07:30,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:07:30,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:07:30,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:07:30,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:07:30,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:07:30,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:07:30,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:07:30,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 20:07:30,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:07:30,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:07:30,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:07:30,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:07:30,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:07:30,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:07:30,920 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:07:30,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:07:30,921 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:07:30,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:07:30,921 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:07:30,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:07:30,921 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:07:30,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:07:30,922 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:07:30,922 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:07:30,922 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:07:30,923 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:07:30,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:07:30,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:07:30,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:07:30,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:07:30,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:07:30,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:07:30,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:07:30,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:07:30,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:07:30,925 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 20:07:30,925 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:07:30,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:07:30,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:07:30,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:07:30,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:07:30,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:07:30,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:07:30,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:07:30,927 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:07:30,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:07:30,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:07:30,928 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:07:30,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:07:30,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:07:30,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:07:30,929 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_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2022-11-20 20:07:31,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:07:31,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:07:31,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:07:31,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:07:31,293 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:07:31,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-20 20:07:34,394 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:07:34,672 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:07:34,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-20 20:07:34,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/data/56ebf0cc0/fd7bc3da4c60487f9cb84cd7882e7657/FLAG54799061c [2022-11-20 20:07:34,723 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/data/56ebf0cc0/fd7bc3da4c60487f9cb84cd7882e7657 [2022-11-20 20:07:34,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:07:34,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:07:34,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:07:34,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:07:34,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:07:34,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:07:34" (1/1) ... [2022-11-20 20:07:34,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9194d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:34, skipping insertion in model container [2022-11-20 20:07:34,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:07:34" (1/1) ... [2022-11-20 20:07:34,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:07:34,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:07:35,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:07:35,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:07:35,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:07:35,372 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:07:35,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35 WrapperNode [2022-11-20 20:07:35,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:07:35,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:07:35,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:07:35,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:07:35,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,467 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-11-20 20:07:35,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:07:35,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:07:35,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:07:35,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:07:35,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:07:35,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:07:35,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:07:35,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:07:35,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (1/1) ... [2022-11-20 20:07:35,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:07:35,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:07:35,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:07:35,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:07:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:07:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:07:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:07:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:07:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 20:07:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:07:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 20:07:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 20:07:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:07:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:07:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:07:35,626 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:07:35,818 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:07:35,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:07:36,086 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:07:36,094 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:07:36,094 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:07:36,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:36 BoogieIcfgContainer [2022-11-20 20:07:36,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:07:36,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:07:36,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:07:36,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:07:36,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:07:34" (1/3) ... [2022-11-20 20:07:36,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cfba06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:07:36, skipping insertion in model container [2022-11-20 20:07:36,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:35" (2/3) ... [2022-11-20 20:07:36,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cfba06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:07:36, skipping insertion in model container [2022-11-20 20:07:36,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:36" (3/3) ... [2022-11-20 20:07:36,107 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2022-11-20 20:07:36,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 20:07:36,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:07:36,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-20 20:07:36,125 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 20:07:36,200 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 20:07:36,246 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 20:07:36,276 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 104 transitions, 216 flow [2022-11-20 20:07:36,279 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 104 transitions, 216 flow [2022-11-20 20:07:36,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 216 flow [2022-11-20 20:07:36,375 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2022-11-20 20:07:36,375 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 20:07:36,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 0/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-20 20:07:36,383 INFO L119 LiptonReduction]: Number of co-enabled transitions 2030 [2022-11-20 20:07:40,183 INFO L134 LiptonReduction]: Checked pairs total: 11442 [2022-11-20 20:07:40,183 INFO L136 LiptonReduction]: Total number of compositions: 60 [2022-11-20 20:07:40,195 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2022-11-20 20:07:40,261 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) [2022-11-20 20:07:40,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:07:40,288 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b76ace2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:07:40,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 20:07:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) [2022-11-20 20:07:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:07:40,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:40,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:40,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 20:07:40,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:40,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1623296769, now seen corresponding path program 1 times [2022-11-20 20:07:40,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:40,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430117230] [2022-11-20 20:07:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:41,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:41,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430117230] [2022-11-20 20:07:41,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430117230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:41,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:41,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:07:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433205993] [2022-11-20 20:07:41,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:41,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:07:41,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:41,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:07:41,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:41,165 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-11-20 20:07:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:41,740 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2022-11-20 20:07:41,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:07:41,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 20:07:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:41,767 INFO L225 Difference]: With dead ends: 482 [2022-11-20 20:07:41,767 INFO L226 Difference]: Without dead ends: 482 [2022-11-20 20:07:41,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:41,774 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:41,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 23 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 20:07:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-11-20 20:07:41,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2022-11-20 20:07:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 444 states have (on average 1.9391891891891893) internal successors, (861), 453 states have internal predecessors, (861), 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) [2022-11-20 20:07:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2022-11-20 20:07:41,844 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2022-11-20 20:07:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:41,845 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2022-11-20 20:07:41,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-11-20 20:07:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2022-11-20 20:07:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:07:41,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:41,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:41,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:07:41,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 20:07:41,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:41,848 INFO L85 PathProgramCache]: Analyzing trace with hash 192697053, now seen corresponding path program 1 times [2022-11-20 20:07:41,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:41,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920192982] [2022-11-20 20:07:41,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:41,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:42,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:42,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920192982] [2022-11-20 20:07:42,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920192982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:42,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:42,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:07:42,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792693026] [2022-11-20 20:07:42,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:42,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:07:42,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:42,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:07:42,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:42,079 INFO L87 Difference]: Start difference. First operand 454 states and 861 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-11-20 20:07:42,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:42,437 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2022-11-20 20:07:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:07:42,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 20:07:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:42,441 INFO L225 Difference]: With dead ends: 487 [2022-11-20 20:07:42,441 INFO L226 Difference]: Without dead ends: 487 [2022-11-20 20:07:42,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:42,442 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:42,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 23 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:07:42,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-11-20 20:07:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2022-11-20 20:07:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 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) [2022-11-20 20:07:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2022-11-20 20:07:42,469 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2022-11-20 20:07:42,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:42,469 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2022-11-20 20:07:42,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-11-20 20:07:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2022-11-20 20:07:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:07:42,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:42,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:42,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:07:42,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 20:07:42,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:42,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1426710231, now seen corresponding path program 1 times [2022-11-20 20:07:42,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:42,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320430891] [2022-11-20 20:07:42,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:42,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:42,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:42,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320430891] [2022-11-20 20:07:42,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320430891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:42,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:42,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:07:42,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422212098] [2022-11-20 20:07:42,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:42,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:07:42,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:42,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:07:42,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:42,744 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-20 20:07:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:43,085 INFO L93 Difference]: Finished difference Result 576 states and 1095 transitions. [2022-11-20 20:07:43,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:07:43,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-20 20:07:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:43,090 INFO L225 Difference]: With dead ends: 576 [2022-11-20 20:07:43,090 INFO L226 Difference]: Without dead ends: 563 [2022-11-20 20:07:43,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:43,092 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:43,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 24 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:07:43,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-11-20 20:07:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2022-11-20 20:07:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 530 states have (on average 1.9320754716981132) internal successors, (1024), 539 states have internal predecessors, (1024), 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) [2022-11-20 20:07:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2022-11-20 20:07:43,116 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2022-11-20 20:07:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:43,116 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2022-11-20 20:07:43,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-20 20:07:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2022-11-20 20:07:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:07:43,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:43,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:43,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:07:43,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 20:07:43,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1045120716, now seen corresponding path program 1 times [2022-11-20 20:07:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:43,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790436609] [2022-11-20 20:07:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:43,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:43,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790436609] [2022-11-20 20:07:43,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790436609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:43,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:43,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:07:43,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671943824] [2022-11-20 20:07:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:43,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:07:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:43,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:07:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:43,365 INFO L87 Difference]: Start difference. First operand 540 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-20 20:07:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:43,780 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2022-11-20 20:07:43,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:07:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-20 20:07:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:43,784 INFO L225 Difference]: With dead ends: 611 [2022-11-20 20:07:43,784 INFO L226 Difference]: Without dead ends: 611 [2022-11-20 20:07:43,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:07:43,785 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:43,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 25 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:07:43,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-11-20 20:07:43,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2022-11-20 20:07:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 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) [2022-11-20 20:07:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2022-11-20 20:07:43,810 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2022-11-20 20:07:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:43,811 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2022-11-20 20:07:43,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-20 20:07:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2022-11-20 20:07:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 20:07:43,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:43,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:43,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:07:43,820 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 20:07:43,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:43,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1914155911, now seen corresponding path program 1 times [2022-11-20 20:07:43,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:43,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473154570] [2022-11-20 20:07:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:07:43,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:07:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:07:43,926 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:07:43,927 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:07:43,928 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-20 20:07:43,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-20 20:07:43,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-20 20:07:43,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-20 20:07:43,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-20 20:07:43,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-20 20:07:43,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-20 20:07:43,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-20 20:07:43,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:07:43,942 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 20:07:43,949 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 20:07:43,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:07:44,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:07:44 BasicIcfg [2022-11-20 20:07:44,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:07:44,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:07:44,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:07:44,017 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:07:44,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:36" (3/4) ... [2022-11-20 20:07:44,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 20:07:44,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:07:44,023 INFO L158 Benchmark]: Toolchain (without parser) took 9293.77ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 72.8MB in the beginning and 92.9MB in the end (delta: -20.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2022-11-20 20:07:44,023 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:07:44,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.59ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 72.6MB in the beginning and 135.2MB in the end (delta: -62.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-20 20:07:44,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.58ms. Allocated memory is still 182.5MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:07:44,028 INFO L158 Benchmark]: Boogie Preprocessor took 43.43ms. Allocated memory is still 182.5MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:07:44,028 INFO L158 Benchmark]: RCFGBuilder took 584.54ms. Allocated memory is still 182.5MB. Free memory was 131.0MB in the beginning and 113.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 20:07:44,028 INFO L158 Benchmark]: TraceAbstraction took 7915.81ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 112.2MB in the beginning and 92.9MB in the end (delta: 19.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-20 20:07:44,029 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 220.2MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:07:44,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.59ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 72.6MB in the beginning and 135.2MB in the end (delta: -62.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.58ms. Allocated memory is still 182.5MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.43ms. Allocated memory is still 182.5MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.54ms. Allocated memory is still 182.5MB. Free memory was 131.0MB in the beginning and 113.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7915.81ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 112.2MB in the beginning and 92.9MB in the end (delta: 19.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 220.2MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 108 PlacesBefore, 48 PlacesAfterwards, 104 TransitionsBefore, 44 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 60 TotalNumberOfCompositions, 11442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3304, independent: 2798, independent conditional: 0, independent unconditional: 2798, dependent: 506, dependent conditional: 0, dependent unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1228, independent: 1148, independent conditional: 0, independent unconditional: 1148, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1228, independent: 1056, independent conditional: 0, independent unconditional: 1056, dependent: 172, dependent conditional: 0, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 172, independent: 92, independent conditional: 0, independent unconditional: 92, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 495, independent: 231, independent conditional: 0, independent unconditional: 231, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3304, independent: 1650, independent conditional: 0, independent unconditional: 1650, dependent: 426, dependent conditional: 0, dependent unconditional: 426, unknown: 1228, unknown conditional: 0, unknown unconditional: 1228] , Statistics on independence cache: Total cache size (in pairs): 335, Positive cache size: 270, Positive conditional cache size: 0, Positive unconditional cache size: 270, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; [L918] 0 int myglobal2; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L927] CALL 1 munge(&mutex1, &myglobal1) [L933] CALL 0 munge(&mutex2,&myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, m={3:0}, m={2:0}, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] EXPR 0 *v+1 VAL [\read(*v)=0, m={3:0}, m={2:0}, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, m={3:0}, m={2:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] EXPR 1 \read(*v) VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=1, m={3:0}, m={2:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v+1 VAL [*v=*v+1=25, \read(*v)=1, \read(*v)=0, m={2:0}, m={3:0}, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=1, m={3:0}, m={2:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *v+1 [923] * C: *v+1 [923] * C: *v+1 [923] * C: *v+1 [923] and C: *v=*v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 136 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1293 IncrementalHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 95 mSDtfsCounter, 1293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 85 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-11-20 20:07:44,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be2e65-8ca1-48d6-82ca-ca5c6066a924/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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