./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:04:42,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:04:42,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:04:42,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:04:42,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:04:42,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:04:42,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:04:42,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:04:42,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:04:42,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:04:42,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:04:42,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:04:42,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:04:42,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:04:42,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:04:42,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:04:42,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:04:42,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:04:42,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:04:42,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:04:42,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:04:42,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:04:42,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:04:42,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:04:42,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:04:42,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:04:42,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:04:42,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:04:42,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:04:42,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:04:42,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:04:42,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:04:42,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:04:42,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:04:42,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:04:42,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:04:42,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:04:42,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:04:42,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:04:42,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:04:42,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:04:42,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 21:04:42,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:04:42,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:04:42,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:04:42,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:04:42,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:04:42,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:04:42,612 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:04:42,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:04:42,613 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:04:42,613 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:04:42,614 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:04:42,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:04:42,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:04:42,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:04:42,615 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:04:42,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:04:42,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:04:42,616 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:04:42,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:04:42,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:04:42,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:04:42,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:04:42,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:04:42,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:04:42,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:04:42,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:04:42,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:04:42,619 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 21:04:42,620 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:04:42,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:04:42,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:04:42,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:04:42,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:04:42,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:04:42,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:04:42,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:04:42,622 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:04:42,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:04:42,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:04:42,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:04:42,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:04:42,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:04:42,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:04:42,624 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_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2022-11-20 21:04:42,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:04:42,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:04:42,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:04:42,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:04:42,945 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:04:42,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-11-20 21:04:46,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:04:46,352 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:04:46,367 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-11-20 21:04:46,381 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/data/c9c41ab25/260b7b1bab254ae4a234938fbff4fd5b/FLAG140014787 [2022-11-20 21:04:46,405 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/data/c9c41ab25/260b7b1bab254ae4a234938fbff4fd5b [2022-11-20 21:04:46,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:04:46,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:04:46,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:04:46,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:04:46,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:04:46,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343be32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46, skipping insertion in model container [2022-11-20 21:04:46,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:04:46,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:04:46,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:04:46,797 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:04:46,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:04:46,913 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:04:46,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46 WrapperNode [2022-11-20 21:04:46,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:04:46,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:04:46,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:04:46,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:04:46,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,977 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-20 21:04:46,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:04:46,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:04:46,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:04:46,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:04:46,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:46,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:47,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:47,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:47,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:47,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:47,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:04:47,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:04:47,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:04:47,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:04:47,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (1/1) ... [2022-11-20 21:04:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:04:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:04:47,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:04:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:04:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:04:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:04:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:04:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:04:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 21:04:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 21:04:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:04:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:04:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:04:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:04:47,106 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:04:47,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:04:47,249 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:04:47,530 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:04:47,543 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:04:47,544 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:04:47,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:04:47 BoogieIcfgContainer [2022-11-20 21:04:47,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:04:47,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:04:47,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:04:47,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:04:47,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:04:46" (1/3) ... [2022-11-20 21:04:47,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5dd246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:04:47, skipping insertion in model container [2022-11-20 21:04:47,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:04:46" (2/3) ... [2022-11-20 21:04:47,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5dd246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:04:47, skipping insertion in model container [2022-11-20 21:04:47,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:04:47" (3/3) ... [2022-11-20 21:04:47,556 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-11-20 21:04:47,566 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:04:47,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:04:47,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 21:04:47,579 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:04:47,649 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 21:04:47,688 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:04:47,706 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 99 transitions, 208 flow [2022-11-20 21:04:47,710 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 99 transitions, 208 flow [2022-11-20 21:04:47,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 99 transitions, 208 flow [2022-11-20 21:04:47,801 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2022-11-20 21:04:47,802 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 21:04:47,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-20 21:04:47,812 INFO L119 LiptonReduction]: Number of co-enabled transitions 3784 [2022-11-20 21:04:52,117 INFO L134 LiptonReduction]: Checked pairs total: 12260 [2022-11-20 21:04:52,117 INFO L136 LiptonReduction]: Total number of compositions: 69 [2022-11-20 21:04:52,126 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 37 transitions, 84 flow [2022-11-20 21:04:52,192 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 931 states, 905 states have (on average 2.665193370165746) internal successors, (2412), 930 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:52,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:04:52,219 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;@3893b554, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:04:52,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-20 21:04:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 931 states, 905 states have (on average 2.665193370165746) internal successors, (2412), 930 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:04:52,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:04:52,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:04:52,233 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-20 21:04:52,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:04:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash 281328614, now seen corresponding path program 1 times [2022-11-20 21:04:52,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:04:52,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007782337] [2022-11-20 21:04:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:04:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:04:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:04:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:04:52,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:04:52,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007782337] [2022-11-20 21:04:52,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007782337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:04:52,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:04:52,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 21:04:52,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693913523] [2022-11-20 21:04:52,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:04:52,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 21:04:52,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:04:52,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 21:04:52,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:04:52,530 INFO L87 Difference]: Start difference. First operand has 931 states, 905 states have (on average 2.665193370165746) internal successors, (2412), 930 states have internal predecessors, (2412), 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 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:04:52,614 INFO L93 Difference]: Finished difference Result 481 states and 1122 transitions. [2022-11-20 21:04:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 21:04:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-11-20 21:04:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:04:52,637 INFO L225 Difference]: With dead ends: 481 [2022-11-20 21:04:52,642 INFO L226 Difference]: Without dead ends: 480 [2022-11-20 21:04:52,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:04:52,650 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:04:52,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:04:52,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-11-20 21:04:52,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2022-11-20 21:04:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 472 states have (on average 2.3728813559322033) internal successors, (1120), 479 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 1120 transitions. [2022-11-20 21:04:52,747 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 1120 transitions. Word has length 5 [2022-11-20 21:04:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:04:52,748 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 1120 transitions. [2022-11-20 21:04:52,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1120 transitions. [2022-11-20 21:04:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:04:52,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:04:52,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:04:52,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:04:52,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-20 21:04:52,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:04:52,751 INFO L85 PathProgramCache]: Analyzing trace with hash 790476947, now seen corresponding path program 1 times [2022-11-20 21:04:52,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:04:52,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994892202] [2022-11-20 21:04:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:04:52,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:04:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:04:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:04:53,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:04:53,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994892202] [2022-11-20 21:04:53,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994892202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:04:53,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:04:53,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:04:53,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922343018] [2022-11-20 21:04:53,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:04:53,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:04:53,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:04:53,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:04:53,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:04:53,259 INFO L87 Difference]: Start difference. First operand 480 states and 1120 transitions. 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) [2022-11-20 21:04:53,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:04:53,681 INFO L93 Difference]: Finished difference Result 792 states and 1857 transitions. [2022-11-20 21:04:53,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:04:53,682 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 [2022-11-20 21:04:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:04:53,688 INFO L225 Difference]: With dead ends: 792 [2022-11-20 21:04:53,688 INFO L226 Difference]: Without dead ends: 792 [2022-11-20 21:04:53,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:04:53,690 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:04:53,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 12 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:04:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2022-11-20 21:04:53,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 576. [2022-11-20 21:04:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 569 states have (on average 2.40597539543058) internal successors, (1369), 575 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 1369 transitions. [2022-11-20 21:04:53,715 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 1369 transitions. Word has length 8 [2022-11-20 21:04:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:04:53,715 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 1369 transitions. [2022-11-20 21:04:53,715 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) [2022-11-20 21:04:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1369 transitions. [2022-11-20 21:04:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 21:04:53,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:04:53,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:04:53,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:04:53,718 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-20 21:04:53,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:04:53,718 INFO L85 PathProgramCache]: Analyzing trace with hash 578408404, now seen corresponding path program 1 times [2022-11-20 21:04:53,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:04:53,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858295326] [2022-11-20 21:04:53,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:04:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:04:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:04:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:04:53,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:04:53,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858295326] [2022-11-20 21:04:53,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858295326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:04:53,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:04:53,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:04:53,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853398442] [2022-11-20 21:04:53,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:04:53,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:04:53,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:04:53,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:04:53,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:04:53,959 INFO L87 Difference]: Start difference. First operand 576 states and 1369 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) [2022-11-20 21:04:54,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:04:54,265 INFO L93 Difference]: Finished difference Result 778 states and 1839 transitions. [2022-11-20 21:04:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:04:54,265 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 [2022-11-20 21:04:54,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:04:54,271 INFO L225 Difference]: With dead ends: 778 [2022-11-20 21:04:54,271 INFO L226 Difference]: Without dead ends: 748 [2022-11-20 21:04:54,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:04:54,272 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:04:54,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 16 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 21:04:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2022-11-20 21:04:54,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 650. [2022-11-20 21:04:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 643 states have (on average 2.402799377916019) internal successors, (1545), 649 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1545 transitions. [2022-11-20 21:04:54,300 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1545 transitions. Word has length 14 [2022-11-20 21:04:54,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:04:54,300 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 1545 transitions. [2022-11-20 21:04:54,301 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) [2022-11-20 21:04:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1545 transitions. [2022-11-20 21:04:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 21:04:54,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:04:54,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:04:54,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:04:54,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-20 21:04:54,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:04:54,313 INFO L85 PathProgramCache]: Analyzing trace with hash 464141458, now seen corresponding path program 1 times [2022-11-20 21:04:54,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:04:54,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266319472] [2022-11-20 21:04:54,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:04:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:04:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:04:54,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:04:54,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:04:54,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266319472] [2022-11-20 21:04:54,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266319472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:04:54,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:04:54,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:04:54,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403311282] [2022-11-20 21:04:54,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:04:54,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:04:54,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:04:54,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:04:54,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:04:54,636 INFO L87 Difference]: Start difference. First operand 650 states and 1545 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:04:54,923 INFO L93 Difference]: Finished difference Result 818 states and 1913 transitions. [2022-11-20 21:04:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:04:54,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2022-11-20 21:04:54,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:04:54,928 INFO L225 Difference]: With dead ends: 818 [2022-11-20 21:04:54,928 INFO L226 Difference]: Without dead ends: 786 [2022-11-20 21:04:54,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:04:54,929 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:04:54,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 16 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 21:04:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-11-20 21:04:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 688. [2022-11-20 21:04:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 681 states have (on average 2.3656387665198237) internal successors, (1611), 687 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1611 transitions. [2022-11-20 21:04:54,952 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1611 transitions. Word has length 16 [2022-11-20 21:04:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:04:54,952 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1611 transitions. [2022-11-20 21:04:54,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1611 transitions. [2022-11-20 21:04:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 21:04:54,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:04:54,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:04:54,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:04:54,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-11-20 21:04:54,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:04:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1278372966, now seen corresponding path program 1 times [2022-11-20 21:04:54,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:04:54,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416995410] [2022-11-20 21:04:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:04:54,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:04:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:04:54,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:04:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:04:55,007 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:04:55,007 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:04:55,008 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-20 21:04:55,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-20 21:04:55,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-20 21:04:55,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-11-20 21:04:55,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-11-20 21:04:55,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-11-20 21:04:55,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-20 21:04:55,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-20 21:04:55,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-20 21:04:55,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-20 21:04:55,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 21:04:55,015 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 21:04:55,021 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 21:04:55,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:04:55,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:04:55 BasicIcfg [2022-11-20 21:04:55,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:04:55,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:04:55,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:04:55,050 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:04:55,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:04:47" (3/4) ... [2022-11-20 21:04:55,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:04:55,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:04:55,054 INFO L158 Benchmark]: Toolchain (without parser) took 8643.56ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 124.4MB in the beginning and 82.1MB in the end (delta: 42.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2022-11-20 21:04:55,054 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 172.0MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:04:55,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.32ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 105.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 21:04:55,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.13ms. Allocated memory is still 172.0MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:04:55,055 INFO L158 Benchmark]: Boogie Preprocessor took 41.18ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:04:55,055 INFO L158 Benchmark]: RCFGBuilder took 526.82ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 88.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 21:04:55,056 INFO L158 Benchmark]: TraceAbstraction took 7500.14ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 87.9MB in the beginning and 83.2MB in the end (delta: 4.7MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-11-20 21:04:55,056 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 216.0MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:04:55,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 172.0MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.32ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 105.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.13ms. Allocated memory is still 172.0MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.18ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.82ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 88.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7500.14ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 87.9MB in the beginning and 83.2MB in the end (delta: 4.7MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 216.0MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.0MB). 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: 4.4s, 106 PlacesBefore, 44 PlacesAfterwards, 99 TransitionsBefore, 37 TransitionsAfterwards, 3784 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 12260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5199, independent: 4829, independent conditional: 0, independent unconditional: 4829, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2480, independent: 2402, independent conditional: 0, independent unconditional: 2402, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2480, independent: 1874, independent conditional: 0, independent unconditional: 1874, dependent: 606, dependent conditional: 0, dependent unconditional: 606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 606, independent: 528, independent conditional: 0, independent unconditional: 528, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1278, independent: 1105, independent conditional: 0, independent unconditional: 1105, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5199, independent: 2427, independent conditional: 0, independent unconditional: 2427, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 2480, unknown conditional: 0, unknown unconditional: 2480] , Statistics on independence cache: Total cache size (in pairs): 330, Positive cache size: 276, Positive conditional cache size: 0, Positive unconditional cache size: 276, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, 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: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id, id2; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={6:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-2] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, id={6:0}, id={5:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=-1] [L684] EXPR 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=9data.x++=0] [L684] 2 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=9data.x++=0] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: 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: 689]: 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: 684]: 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 4 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 64 mSDtfsCounter, 637 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 412 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 21:04:55,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d19e15e-509f-403b-9a5c-14eb9de21ad4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE