./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI --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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- 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-5e519f3 [2022-11-03 02:46:23,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:46:23,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:46:23,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:46:23,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:46:23,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:46:23,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:46:23,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:46:23,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:46:23,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:46:23,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:46:23,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:46:23,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:46:23,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:46:23,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:46:23,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:46:23,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:46:23,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:46:23,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:46:23,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:46:23,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:46:23,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:46:23,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:46:23,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:46:23,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:46:23,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:46:23,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:46:23,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:46:23,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:46:23,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:46:23,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:46:23,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:46:23,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:46:23,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:46:23,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:46:23,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:46:23,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:46:23,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:46:23,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:46:23,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:46:23,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:46:23,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:46:23,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:46:23,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:46:23,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:46:23,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:46:23,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:46:23,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:46:23,382 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:46:23,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:46:23,383 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:46:23,383 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:46:23,384 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:46:23,384 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:46:23,384 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:46:23,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:46:23,385 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:46:23,385 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:46:23,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:46:23,386 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:46:23,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:46:23,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:46:23,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:46:23,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:46:23,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:46:23,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:46:23,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:46:23,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:46:23,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:46:23,389 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:46:23,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:46:23,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:46:23,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:46:23,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:46:23,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:46:23,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:46:23,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:46:23,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:46:23,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:46:23,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:46:23,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:46:23,404 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:46:23,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:46:23,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:46:23,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:46:23,405 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_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2022-11-03 02:46:23,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:46:23,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:46:23,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:46:23,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:46:23,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:46:23,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-11-03 02:46:23,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/data/7f0cf07d0/399fe09b725b4a3bb0c191e17fc0609d/FLAG6062bcb06 [2022-11-03 02:46:24,381 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:46:24,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-11-03 02:46:24,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/data/7f0cf07d0/399fe09b725b4a3bb0c191e17fc0609d/FLAG6062bcb06 [2022-11-03 02:46:24,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/data/7f0cf07d0/399fe09b725b4a3bb0c191e17fc0609d [2022-11-03 02:46:24,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:46:24,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:46:24,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:46:24,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:46:24,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:46:24,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:46:24" (1/1) ... [2022-11-03 02:46:24,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d539cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:24, skipping insertion in model container [2022-11-03 02:46:24,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:46:24" (1/1) ... [2022-11-03 02:46:24,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:46:24,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:46:25,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:46:25,244 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:46:25,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:46:25,367 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:46:25,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25 WrapperNode [2022-11-03 02:46:25,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:46:25,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:46:25,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:46:25,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:46:25,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,439 INFO L138 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-11-03 02:46:25,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:46:25,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:46:25,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:46:25,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:46:25,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:46:25,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:46:25,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:46:25,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:46:25,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (1/1) ... [2022-11-03 02:46:25,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:46:25,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:46:25,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:46:25,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:46:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:46:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:46:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:46:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:46:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:46:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:46:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:46:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:46:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:46:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:46:25,572 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:46:25,694 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:46:25,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:46:25,900 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:46:25,906 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:46:25,907 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:46:25,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:46:25 BoogieIcfgContainer [2022-11-03 02:46:25,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:46:25,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:46:25,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:46:25,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:46:25,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:46:24" (1/3) ... [2022-11-03 02:46:25,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7403ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:46:25, skipping insertion in model container [2022-11-03 02:46:25,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:46:25" (2/3) ... [2022-11-03 02:46:25,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7403ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:46:25, skipping insertion in model container [2022-11-03 02:46:25,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:46:25" (3/3) ... [2022-11-03 02:46:25,919 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2022-11-03 02:46:25,928 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:46:25,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:46:25,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 02:46:25,939 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:46:26,045 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:46:26,102 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:46:26,120 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions, 121 flow [2022-11-03 02:46:26,129 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 58 transitions, 121 flow [2022-11-03 02:46:26,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions, 121 flow [2022-11-03 02:46:26,200 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-11-03 02:46:26,200 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:46:26,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 0/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-03 02:46:26,204 INFO L118 LiptonReduction]: Number of co-enabled transitions 646 [2022-11-03 02:46:28,007 INFO L133 LiptonReduction]: Checked pairs total: 2099 [2022-11-03 02:46:28,008 INFO L135 LiptonReduction]: Total number of compositions: 39 [2022-11-03 02:46:28,016 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 43 flow [2022-11-03 02:46:28,033 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-11-03 02:46:28,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:46:28,080 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;@61b51df7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:46:28,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-03 02:46:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-11-03 02:46:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 02:46:28,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:28,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 02:46:28,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 02:46:28,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:28,094 INFO L85 PathProgramCache]: Analyzing trace with hash 6211342, now seen corresponding path program 1 times [2022-11-03 02:46:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:28,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764906678] [2022-11-03 02:46:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:46:28,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:28,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764906678] [2022-11-03 02:46:28,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764906678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:28,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:28,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:46:28,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664904857] [2022-11-03 02:46:28,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:28,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:46:28,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:28,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:46:28,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:28,355 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-03 02:46:28,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:28,420 INFO L93 Difference]: Finished difference Result 95 states and 162 transitions. [2022-11-03 02:46:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:46:28,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-03 02:46:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:28,432 INFO L225 Difference]: With dead ends: 95 [2022-11-03 02:46:28,433 INFO L226 Difference]: Without dead ends: 95 [2022-11-03 02:46:28,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:28,437 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:28,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:46:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-03 02:46:28,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 77. [2022-11-03 02:46:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.8857142857142857) internal successors, (132), 76 states have internal predecessors, (132), 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) [2022-11-03 02:46:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2022-11-03 02:46:28,479 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 4 [2022-11-03 02:46:28,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:28,479 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2022-11-03 02:46:28,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-03 02:46:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-11-03 02:46:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:46:28,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:28,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:28,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:46:28,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 02:46:28,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:28,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1766851706, now seen corresponding path program 1 times [2022-11-03 02:46:28,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:28,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180109137] [2022-11-03 02:46:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:28,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:46:28,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:28,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180109137] [2022-11-03 02:46:28,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180109137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:28,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:28,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:46:28,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102770126] [2022-11-03 02:46:28,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:28,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:46:28,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:46:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:28,548 INFO L87 Difference]: Start difference. First operand 77 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-03 02:46:28,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:28,578 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions. [2022-11-03 02:46:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:46:28,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2022-11-03 02:46:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:28,580 INFO L225 Difference]: With dead ends: 80 [2022-11-03 02:46:28,580 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 02:46:28,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:28,582 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:28,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:46:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 02:46:28,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-03 02:46:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.8235294117647058) internal successors, (124), 73 states have internal predecessors, (124), 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) [2022-11-03 02:46:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 124 transitions. [2022-11-03 02:46:28,590 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 124 transitions. Word has length 8 [2022-11-03 02:46:28,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:28,591 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 124 transitions. [2022-11-03 02:46:28,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-03 02:46:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2022-11-03 02:46:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:46:28,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:28,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:28,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:46:28,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 02:46:28,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:28,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2008646734, now seen corresponding path program 1 times [2022-11-03 02:46:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:28,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646173061] [2022-11-03 02:46:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:28,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:46:28,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:28,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646173061] [2022-11-03 02:46:28,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646173061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:28,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:28,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:46:28,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876240141] [2022-11-03 02:46:28,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:28,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:46:28,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:28,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:46:28,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:28,682 INFO L87 Difference]: Start difference. First operand 74 states and 124 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-03 02:46:28,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:28,743 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2022-11-03 02:46:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:46:28,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2022-11-03 02:46:28,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:28,745 INFO L225 Difference]: With dead ends: 73 [2022-11-03 02:46:28,745 INFO L226 Difference]: Without dead ends: 67 [2022-11-03 02:46:28,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:28,746 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:28,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:46:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-03 02:46:28,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-03 02:46:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.619047619047619) internal successors, (102), 66 states have internal predecessors, (102), 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) [2022-11-03 02:46:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2022-11-03 02:46:28,761 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 8 [2022-11-03 02:46:28,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:28,761 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2022-11-03 02:46:28,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-03 02:46:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2022-11-03 02:46:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:46:28,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:28,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:28,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:46:28,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 02:46:28,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:28,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1062173049, now seen corresponding path program 1 times [2022-11-03 02:46:28,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:28,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172011095] [2022-11-03 02:46:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:28,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:46:28,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:46:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:46:28,826 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:46:28,827 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:46:28,828 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-03 02:46:28,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-03 02:46:28,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-03 02:46:28,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-03 02:46:28,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-03 02:46:28,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-03 02:46:28,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-03 02:46:28,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:46:28,835 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 02:46:28,842 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:46:28,842 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:46:28,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:46:28 BasicIcfg [2022-11-03 02:46:28,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:46:28,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:46:28,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:46:28,866 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:46:28,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:46:25" (3/4) ... [2022-11-03 02:46:28,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:46:28,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:46:28,870 INFO L158 Benchmark]: Toolchain (without parser) took 4244.13ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 59.0MB in the beginning and 59.8MB in the end (delta: -846.4kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-11-03 02:46:28,871 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:46:28,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.56ms. Allocated memory is still 107.0MB. Free memory was 58.8MB in the beginning and 64.1MB in the end (delta: -5.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-03 02:46:28,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.78ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 61.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:46:28,872 INFO L158 Benchmark]: Boogie Preprocessor took 48.04ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 60.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:46:28,873 INFO L158 Benchmark]: RCFGBuilder took 419.99ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 49.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:46:28,874 INFO L158 Benchmark]: TraceAbstraction took 2953.64ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.4MB in the beginning and 60.7MB in the end (delta: -12.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-03 02:46:28,874 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 130.0MB. Free memory was 60.7MB in the beginning and 59.8MB in the end (delta: 842.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:46:28,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 736.56ms. Allocated memory is still 107.0MB. Free memory was 58.8MB in the beginning and 64.1MB in the end (delta: -5.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.78ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 61.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.04ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 60.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.99ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 49.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2953.64ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.4MB in the beginning and 60.7MB in the end (delta: -12.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 130.0MB. Free memory was 60.7MB in the beginning and 59.8MB in the end (delta: 842.6kB). 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: 1.9s, 62 PlacesBefore, 23 PlacesAfterwards, 58 TransitionsBefore, 19 TransitionsAfterwards, 646 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 TotalNumberOfCompositions, 2099 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1042, positive: 864, positive conditional: 0, positive unconditional: 864, negative: 178, negative conditional: 0, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, positive: 428, positive conditional: 0, positive unconditional: 428, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, positive: 424, positive conditional: 0, positive unconditional: 424, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1042, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - 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: 991]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L996] 0 pthread_t id; [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [998] and C: glob++ [991] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: 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: 991]: 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, 78 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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 could not prove your program: unable to determine feasibility of some traces [2022-11-03 02:46:28,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa59f8b-a5b5-4e42-acb5-cf02f88c3c76/bin/utaipan-7li7fVZpFI/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