./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh --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 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:13:52,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:13:52,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:13:52,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:13:52,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:13:52,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:13:52,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:13:52,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:13:52,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:13:53,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:13:53,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:13:53,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:13:53,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:13:53,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:13:53,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:13:53,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:13:53,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:13:53,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:13:53,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:13:53,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:13:53,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:13:53,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:13:53,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:13:53,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:13:53,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:13:53,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:13:53,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:13:53,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:13:53,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:13:53,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:13:53,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:13:53,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:13:53,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:13:53,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:13:53,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:13:53,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:13:53,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:13:53,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:13:53,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:13:53,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:13:53,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:13:53,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 15:13:53,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:13:53,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:13:53,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:13:53,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:13:53,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:13:53,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:13:53,051 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:13:53,051 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:13:53,051 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:13:53,051 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:13:53,051 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:13:53,051 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:13:53,052 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:13:53,052 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:13:53,052 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:13:53,052 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:13:53,052 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:13:53,052 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:13:53,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:13:53,053 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:13:53,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:13:53,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 15:13:53,054 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:13:53,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:13:53,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:13:53,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:13:53,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:13:53,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:13:53,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:13:53,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:13:53,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:13:53,056 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_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 [2022-12-14 15:13:53,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:13:53,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:13:53,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:13:53,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:13:53,259 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:13:53,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-12-14 15:13:55,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:13:56,006 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:13:56,007 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-12-14 15:13:56,016 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/data/4ea5764f8/aa721fd4ea95498989f2facca4a92b2b/FLAG306c07987 [2022-12-14 15:13:56,025 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/data/4ea5764f8/aa721fd4ea95498989f2facca4a92b2b [2022-12-14 15:13:56,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:13:56,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:13:56,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:56,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:13:56,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:13:56,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1dcfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56, skipping insertion in model container [2022-12-14 15:13:56,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:13:56,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:13:56,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:13:56,325 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:13:56,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:13:56,385 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:13:56,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56 WrapperNode [2022-12-14 15:13:56,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:56,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:13:56,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:13:56,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:13:56,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,423 INFO L138 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-12-14 15:13:56,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:13:56,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:13:56,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:13:56,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:13:56,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:13:56,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:13:56,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:13:56,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:13:56,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (1/1) ... [2022-12-14 15:13:56,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:13:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:56,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:13:56,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:13:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:13:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:13:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:13:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:13:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 15:13:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 15:13:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:13:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:13:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:13:56,501 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 15:13:56,593 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:13:56,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:13:56,718 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:13:56,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:13:56,723 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:13:56,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:56 BoogieIcfgContainer [2022-12-14 15:13:56,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:13:56,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:13:56,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:13:56,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:13:56,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:13:56" (1/3) ... [2022-12-14 15:13:56,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600f2148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:13:56, skipping insertion in model container [2022-12-14 15:13:56,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:56" (2/3) ... [2022-12-14 15:13:56,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600f2148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:13:56, skipping insertion in model container [2022-12-14 15:13:56,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:56" (3/3) ... [2022-12-14 15:13:56,738 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2022-12-14 15:13:56,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 15:13:56,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:13:56,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 15:13:56,754 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 15:13:56,794 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 15:13:56,818 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 15:13:56,829 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 137 flow [2022-12-14 15:13:56,832 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 137 flow [2022-12-14 15:13:56,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 137 flow [2022-12-14 15:13:56,863 INFO L130 PetriNetUnfolder]: 0/65 cut-off events. [2022-12-14 15:13:56,863 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 15:13:56,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 0/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 15:13:56,867 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-12-14 15:13:57,934 INFO L134 LiptonReduction]: Checked pairs total: 4556 [2022-12-14 15:13:57,934 INFO L136 LiptonReduction]: Total number of compositions: 35 [2022-12-14 15:13:57,941 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-12-14 15:13:57,961 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:57,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:13:57,979 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;@25094c32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:13:57,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-14 15:13:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:57,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:13:57,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:57,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:13:57,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 15:13:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash -382090731, now seen corresponding path program 1 times [2022-12-14 15:13:57,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:57,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087506558] [2022-12-14 15:13:57,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:58,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:58,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087506558] [2022-12-14 15:13:58,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087506558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:58,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:58,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:13:58,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814180144] [2022-12-14 15:13:58,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:58,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:13:58,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:58,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:13:58,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:13:58,455 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:58,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:58,719 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2022-12-14 15:13:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:13:58,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 8 [2022-12-14 15:13:58,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:58,729 INFO L225 Difference]: With dead ends: 383 [2022-12-14 15:13:58,729 INFO L226 Difference]: Without dead ends: 383 [2022-12-14 15:13:58,730 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 [2022-12-14 15:13:58,732 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:58,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 12 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:13:58,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-12-14 15:13:58,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2022-12-14 15:13:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 268 states have (on average 1.9477611940298507) internal successors, (522), 274 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2022-12-14 15:13:58,774 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2022-12-14 15:13:58,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:58,774 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2022-12-14 15:13:58,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2022-12-14 15:13:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 15:13:58,776 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:58,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:13:58,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:13:58,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 15:13:58,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash -872887276, now seen corresponding path program 1 times [2022-12-14 15:13:58,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:58,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544144947] [2022-12-14 15:13:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:58,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:58,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:58,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544144947] [2022-12-14 15:13:58,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544144947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:58,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:58,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:13:58,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977852200] [2022-12-14 15:13:58,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:58,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:13:58,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:58,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:13:58,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:13:58,962 INFO L87 Difference]: Start difference. First operand 275 states and 522 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:59,121 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2022-12-14 15:13:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:13:59,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-12-14 15:13:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:59,123 INFO L225 Difference]: With dead ends: 377 [2022-12-14 15:13:59,123 INFO L226 Difference]: Without dead ends: 362 [2022-12-14 15:13:59,123 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 [2022-12-14 15:13:59,124 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:59,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:13:59,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-12-14 15:13:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2022-12-14 15:13:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 306 states have (on average 1.9379084967320261) internal successors, (593), 312 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2022-12-14 15:13:59,140 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2022-12-14 15:13:59,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:59,140 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2022-12-14 15:13:59,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2022-12-14 15:13:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 15:13:59,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:59,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:13:59,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:13:59,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 15:13:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1701579057, now seen corresponding path program 1 times [2022-12-14 15:13:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:59,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527215894] [2022-12-14 15:13:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:59,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:13:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:59,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:13:59,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527215894] [2022-12-14 15:13:59,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527215894] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:13:59,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:59,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:13:59,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515873255] [2022-12-14 15:13:59,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:13:59,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:13:59,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:13:59,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:13:59,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:13:59,322 INFO L87 Difference]: Start difference. First operand 313 states and 593 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:59,510 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2022-12-14 15:13:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:13:59,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-12-14 15:13:59,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:59,512 INFO L225 Difference]: With dead ends: 397 [2022-12-14 15:13:59,512 INFO L226 Difference]: Without dead ends: 382 [2022-12-14 15:13:59,512 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 [2022-12-14 15:13:59,513 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:59,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 16 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:13:59,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-12-14 15:13:59,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2022-12-14 15:13:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 326 states have (on average 1.8957055214723926) internal successors, (618), 332 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2022-12-14 15:13:59,522 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2022-12-14 15:13:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:59,522 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2022-12-14 15:13:59,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2022-12-14 15:13:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 15:13:59,523 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:59,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:13:59,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:13:59,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 15:13:59,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:59,524 INFO L85 PathProgramCache]: Analyzing trace with hash -478196794, now seen corresponding path program 1 times [2022-12-14 15:13:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:13:59,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814249357] [2022-12-14 15:13:59,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:13:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:13:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:13:59,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:13:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:13:59,559 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:13:59,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:13:59,560 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-14 15:13:59,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-14 15:13:59,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-14 15:13:59,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-14 15:13:59,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-14 15:13:59,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-14 15:13:59,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-14 15:13:59,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:13:59,564 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 15:13:59,569 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 15:13:59,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:13:59,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:13:59 BasicIcfg [2022-12-14 15:13:59,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:13:59,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:13:59,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:13:59,585 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:13:59,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:56" (3/4) ... [2022-12-14 15:13:59,587 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:13:59,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:13:59,588 INFO L158 Benchmark]: Toolchain (without parser) took 3559.47ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 83.2MB in the beginning and 62.4MB in the end (delta: 20.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-12-14 15:13:59,588 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:13:59,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.07ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 64.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 15:13:59,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.72ms. Allocated memory is still 119.5MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:13:59,589 INFO L158 Benchmark]: Boogie Preprocessor took 20.09ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 61.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:13:59,589 INFO L158 Benchmark]: RCFGBuilder took 279.94ms. Allocated memory is still 119.5MB. Free memory was 61.0MB in the beginning and 47.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 15:13:59,589 INFO L158 Benchmark]: TraceAbstraction took 2851.75ms. Allocated memory is still 144.7MB. Free memory was 116.3MB in the beginning and 62.4MB in the end (delta: 53.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-12-14 15:13:59,589 INFO L158 Benchmark]: Witness Printer took 2.39ms. Allocated memory is still 144.7MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:13:59,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.07ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 64.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.72ms. Allocated memory is still 119.5MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.09ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 61.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.94ms. Allocated memory is still 119.5MB. Free memory was 61.0MB in the beginning and 47.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2851.75ms. Allocated memory is still 144.7MB. Free memory was 116.3MB in the beginning and 62.4MB in the end (delta: 53.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 2.39ms. Allocated memory is still 144.7MB. Free memory is still 62.4MB. 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: 1.1s, 70 PlacesBefore, 35 PlacesAfterwards, 66 TransitionsBefore, 31 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 4 FixpointIterations, 14 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 35 TotalNumberOfCompositions, 4556 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1493, independent: 1247, independent conditional: 0, independent unconditional: 1247, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, independent: 622, independent conditional: 0, independent unconditional: 622, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1493, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 184, dependent conditional: 0, dependent unconditional: 184, unknown: 684, unknown conditional: 0, unknown unconditional: 684] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, 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: 687]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; [L685] 0 pthread_t id; [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] EXPR 0 data[4] VAL [arg={0:0}, data={1:0}, data[4]=0, id={2:0}] [L687] 0 data[4]++ VAL [arg={0:0}, data={1:0}, data[4]=0, id={2:0}] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0data[4]++=41] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, data[4]++=0, data[4]++=41, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [681] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: 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, 91 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 752 IncrementalHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 44 mSDtfsCounter, 752 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 3 MinimizatonAttempts, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 15:13:59,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd208fb-d2c8-479c-8383-ff6ad0da75e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE