./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/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_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/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_6c21fce1-07b4-45e6-a36a-0325b3e7e454/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 318281cc312c05fd633ca0d066d65c4887939b5717e7fb2aba02dbd1a639e1ad --- 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 02:11:57,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:11:57,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:11:57,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:11:57,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:11:57,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:11:57,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:11:57,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:11:57,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:11:57,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:11:57,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:11:57,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:11:57,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:11:57,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:11:57,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:11:57,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:11:57,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:11:57,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:11:57,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:11:57,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:11:57,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:11:57,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:11:57,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:11:57,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:11:57,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:11:57,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:11:57,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:11:57,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:11:57,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:11:57,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:11:57,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:11:57,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:11:57,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:11:57,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:11:57,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:11:57,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:11:57,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:11:57,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:11:57,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:11:57,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:11:57,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:11:57,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:11:57,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:11:57,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:11:57,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:11:57,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:11:57,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:11:57,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:11:57,649 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:11:57,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:11:57,649 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:11:57,649 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:11:57,651 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:11:57,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:11:57,651 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:11:57,651 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:11:57,651 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:11:57,652 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:11:57,652 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:11:57,652 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:11:57,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:11:57,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:11:57,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:11:57,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:11:57,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:11:57,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:11:57,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:11:57,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:11:57,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:11:57,656 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:11:57,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:11:57,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:11:57,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:11:57,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:11:57,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:11:57,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:11:57,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:11:57,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:11:57,658 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:11:57,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:11:57,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:11:57,659 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:11:57,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:11:57,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:11:57,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:11:57,660 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_6c21fce1-07b4-45e6-a36a-0325b3e7e454/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318281cc312c05fd633ca0d066d65c4887939b5717e7fb2aba02dbd1a639e1ad [2022-11-03 02:11:58,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:11:58,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:11:58,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:11:58,048 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:11:58,049 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:11:58,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i [2022-11-03 02:11:58,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/data/0716bed57/2d7571a9b9fa4b8d9d00137043975818/FLAG8313ff3c0 [2022-11-03 02:11:58,846 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:11:58,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i [2022-11-03 02:11:58,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/data/0716bed57/2d7571a9b9fa4b8d9d00137043975818/FLAG8313ff3c0 [2022-11-03 02:11:59,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/data/0716bed57/2d7571a9b9fa4b8d9d00137043975818 [2022-11-03 02:11:59,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:11:59,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:11:59,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:11:59,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:11:59,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:11:59,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:59" (1/1) ... [2022-11-03 02:11:59,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58443224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:59, skipping insertion in model container [2022-11-03 02:11:59,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:59" (1/1) ... [2022-11-03 02:11:59,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:11:59,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:11:59,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:11:59,982 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:12:00,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:12:00,159 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:12:00,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00 WrapperNode [2022-11-03 02:12:00,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:12:00,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:12:00,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:12:00,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:12:00,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,252 INFO L138 Inliner]: procedures = 368, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2022-11-03 02:12:00,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:12:00,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:12:00,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:12:00,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:12:00,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:12:00,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:12:00,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:12:00,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:12:00,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (1/1) ... [2022-11-03 02:12:00,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:12:00,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:12:00,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:12:00,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:12:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:12:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:12:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:12:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:12:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:12:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:12:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:12:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:12:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:12:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:12:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:12:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:12:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:12:00,439 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 02:12:00,648 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:12:00,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:12:01,150 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:12:01,177 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:12:01,178 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:12:01,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:01 BoogieIcfgContainer [2022-11-03 02:12:01,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:12:01,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:12:01,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:12:01,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:12:01,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:11:59" (1/3) ... [2022-11-03 02:12:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b0693a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:12:01, skipping insertion in model container [2022-11-03 02:12:01,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:12:00" (2/3) ... [2022-11-03 02:12:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b0693a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:12:01, skipping insertion in model container [2022-11-03 02:12:01,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:01" (3/3) ... [2022-11-03 02:12:01,205 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_28-list2alloc.i [2022-11-03 02:12:01,228 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:12:01,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:12:01,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-03 02:12:01,258 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:12:01,377 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:12:01,417 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:12:01,434 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 180 transitions, 365 flow [2022-11-03 02:12:01,444 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 180 transitions, 365 flow [2022-11-03 02:12:01,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 180 transitions, 365 flow [2022-11-03 02:12:01,551 INFO L130 PetriNetUnfolder]: 0/179 cut-off events. [2022-11-03 02:12:01,551 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:12:01,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 179 events. 0/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-03 02:12:01,557 INFO L118 LiptonReduction]: Number of co-enabled transitions 2650 [2022-11-03 02:12:40,190 WARN L234 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 150 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:12:48,915 WARN L234 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 150 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:13:17,705 WARN L234 SmtUtils]: Spent 24.32s on a formula simplification. DAG size of input: 266 DAG size of output: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:13:31,687 WARN L234 SmtUtils]: Spent 13.97s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:14:47,992 WARN L234 SmtUtils]: Spent 1.27m on a formula simplification. DAG size of input: 266 DAG size of output: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:15:01,892 WARN L234 SmtUtils]: Spent 13.87s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:15:02,032 INFO L133 LiptonReduction]: Checked pairs total: 23858 [2022-11-03 02:15:02,033 INFO L135 LiptonReduction]: Total number of compositions: 180 [2022-11-03 02:15:02,044 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 53 transitions, 111 flow [2022-11-03 02:15:02,095 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 391 states, 365 states have (on average 1.9945205479452055) internal successors, (728), 390 states have internal predecessors, (728), 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 02:15:02,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:15:02,125 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;@46c6eb90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:15:02,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-11-03 02:15:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 365 states have (on average 1.9945205479452055) internal successors, (728), 390 states have internal predecessors, (728), 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 02:15:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 02:15:02,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:02,138 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 02:15:02,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-03 02:15:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:02,145 INFO L85 PathProgramCache]: Analyzing trace with hash 607, now seen corresponding path program 1 times [2022-11-03 02:15:02,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:02,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714537464] [2022-11-03 02:15:02,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:02,324 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 02:15:02,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:02,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714537464] [2022-11-03 02:15:02,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714537464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:02,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:02,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 02:15:02,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118826261] [2022-11-03 02:15:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:02,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:15:02,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:15:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:15:02,381 INFO L87 Difference]: Start difference. First operand has 391 states, 365 states have (on average 1.9945205479452055) internal successors, (728), 390 states have internal predecessors, (728), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 02:15:02,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:02,521 INFO L93 Difference]: Finished difference Result 330 states and 615 transitions. [2022-11-03 02:15:02,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:15:02,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-11-03 02:15:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:02,543 INFO L225 Difference]: With dead ends: 330 [2022-11-03 02:15:02,548 INFO L226 Difference]: Without dead ends: 330 [2022-11-03 02:15:02,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:15:02,555 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:02,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:15:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-11-03 02:15:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2022-11-03 02:15:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 321 states have (on average 1.9158878504672898) internal successors, (615), 329 states have internal predecessors, (615), 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 02:15:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 615 transitions. [2022-11-03 02:15:02,670 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 615 transitions. Word has length 1 [2022-11-03 02:15:02,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:02,670 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 615 transitions. [2022-11-03 02:15:02,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 02:15:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 615 transitions. [2022-11-03 02:15:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:15:02,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:02,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:02,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:15:02,675 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-03 02:15:02,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:02,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1287303530, now seen corresponding path program 1 times [2022-11-03 02:15:02,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:02,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127565047] [2022-11-03 02:15:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:03,702 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 02:15:03,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:03,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127565047] [2022-11-03 02:15:03,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127565047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:03,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:03,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:15:03,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566331054] [2022-11-03 02:15:03,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:03,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:15:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:03,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:15:03,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:15:03,717 INFO L87 Difference]: Start difference. First operand 330 states and 615 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:04,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:04,197 INFO L93 Difference]: Finished difference Result 362 states and 673 transitions. [2022-11-03 02:15:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:15:04,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 02:15:04,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:04,201 INFO L225 Difference]: With dead ends: 362 [2022-11-03 02:15:04,201 INFO L226 Difference]: Without dead ends: 362 [2022-11-03 02:15:04,201 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 [2022-11-03 02:15:04,203 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:04,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 36 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:15:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-03 02:15:04,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2022-11-03 02:15:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 341 states have (on average 1.9090909090909092) internal successors, (651), 349 states have internal predecessors, (651), 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 02:15:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 651 transitions. [2022-11-03 02:15:04,243 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 651 transitions. Word has length 9 [2022-11-03 02:15:04,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:04,244 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 651 transitions. [2022-11-03 02:15:04,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 651 transitions. [2022-11-03 02:15:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:15:04,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:04,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:04,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:15:04,247 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-03 02:15:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:04,248 INFO L85 PathProgramCache]: Analyzing trace with hash -562694648, now seen corresponding path program 1 times [2022-11-03 02:15:04,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:04,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972002348] [2022-11-03 02:15:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:04,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:04,836 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 02:15:04,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:04,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972002348] [2022-11-03 02:15:04,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972002348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:04,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:04,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:15:04,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842176547] [2022-11-03 02:15:04,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:04,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:15:04,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:04,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:15:04,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:15:04,840 INFO L87 Difference]: Start difference. First operand 350 states and 651 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 02:15:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:05,561 INFO L93 Difference]: Finished difference Result 466 states and 877 transitions. [2022-11-03 02:15:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:15:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2022-11-03 02:15:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:05,566 INFO L225 Difference]: With dead ends: 466 [2022-11-03 02:15:05,566 INFO L226 Difference]: Without dead ends: 450 [2022-11-03 02:15:05,567 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 [2022-11-03 02:15:05,568 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 64 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:05,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 34 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 02:15:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-03 02:15:05,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-11-03 02:15:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 441 states have (on average 1.9206349206349207) internal successors, (847), 449 states have internal predecessors, (847), 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 02:15:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 847 transitions. [2022-11-03 02:15:05,591 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 847 transitions. Word has length 10 [2022-11-03 02:15:05,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:05,591 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 847 transitions. [2022-11-03 02:15:05,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 02:15:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 847 transitions. [2022-11-03 02:15:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:15:05,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:05,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:05,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:15:05,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-03 02:15:05,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:05,600 INFO L85 PathProgramCache]: Analyzing trace with hash 27380992, now seen corresponding path program 1 times [2022-11-03 02:15:05,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:05,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942027764] [2022-11-03 02:15:05,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:15:05,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:15:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:15:05,752 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:15:05,752 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:15:05,753 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2022-11-03 02:15:05,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2022-11-03 02:15:05,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2022-11-03 02:15:05,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2022-11-03 02:15:05,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2022-11-03 02:15:05,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2022-11-03 02:15:05,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2022-11-03 02:15:05,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2022-11-03 02:15:05,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 21 remaining) [2022-11-03 02:15:05,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2022-11-03 02:15:05,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2022-11-03 02:15:05,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2022-11-03 02:15:05,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2022-11-03 02:15:05,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2022-11-03 02:15:05,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2022-11-03 02:15:05,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2022-11-03 02:15:05,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2022-11-03 02:15:05,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2022-11-03 02:15:05,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2022-11-03 02:15:05,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2022-11-03 02:15:05,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2022-11-03 02:15:05,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:15:05,765 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 02:15:05,773 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:15:05,773 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:15:05,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:15:05 BasicIcfg [2022-11-03 02:15:05,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:15:05,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:15:05,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:15:05,814 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:15:05,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:01" (3/4) ... [2022-11-03 02:15:05,818 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:15:05,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:15:05,819 INFO L158 Benchmark]: Toolchain (without parser) took 186752.77ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 74.3MB in the end (delta: -16.6MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-11-03 02:15:05,819 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:15:05,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1089.41ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 57.5MB in the beginning and 73.8MB in the end (delta: -16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 02:15:05,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.73ms. Allocated memory is still 125.8MB. Free memory was 73.7MB in the beginning and 70.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:15:05,820 INFO L158 Benchmark]: Boogie Preprocessor took 44.16ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 68.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:15:05,821 INFO L158 Benchmark]: RCFGBuilder took 881.97ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 82.4MB in the end (delta: -14.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-03 02:15:05,821 INFO L158 Benchmark]: TraceAbstraction took 184629.75ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 81.6MB in the beginning and 74.3MB in the end (delta: 7.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-03 02:15:05,822 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 151.0MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:15:05,824 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 92.3MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1089.41ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 57.5MB in the beginning and 73.8MB in the end (delta: -16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.73ms. Allocated memory is still 125.8MB. Free memory was 73.7MB in the beginning and 70.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.16ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 68.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 881.97ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 82.4MB in the end (delta: -14.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * TraceAbstraction took 184629.75ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 81.6MB in the beginning and 74.3MB in the end (delta: 7.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 151.0MB. Free memory is still 74.3MB. 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: 180.6s, 184 PlacesBefore, 57 PlacesAfterwards, 180 TransitionsBefore, 53 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 17 FixpointIterations, 125 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 180 TotalNumberOfCompositions, 23858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6542, positive: 5162, positive conditional: 0, positive unconditional: 5162, negative: 1380, negative conditional: 0, negative unconditional: 1380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1894, positive: 1796, positive conditional: 0, positive unconditional: 1796, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1894, positive: 1696, positive conditional: 0, positive unconditional: 1696, negative: 198, negative conditional: 0, negative unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 198, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11464, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 399, negative conditional: 0, negative unconditional: 399, unknown: 10965, unknown conditional: 0, unknown unconditional: 10965] ], Cache Queries: [ total: 6542, positive: 3366, positive conditional: 0, positive unconditional: 3366, negative: 1282, negative conditional: 0, negative unconditional: 1282, unknown: 1894, unknown conditional: 0, unknown unconditional: 1894] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 204, Positive conditional cache size: 0, Positive unconditional cache size: 204, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66 - 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: 1253]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; [L1233] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1234] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1245] 0 pthread_t t1; [L1246] CALL, EXPR 0 new(3) [L1228] 0 struct s *p = malloc(sizeof(struct s)); [L1229] 0 p->datum = x [L1230] 0 p->next = ((void *)0) [L1231] 0 return p; [L1246] RET, EXPR 0 new(3) [L1246] 0 A = new(3) [L1247] CALL, EXPR 0 new(5) [L1228] 0 struct s *p = malloc(sizeof(struct s)); [L1229] 0 p->datum = x [L1230] 0 p->next = ((void *)0) [L1231] 0 return p; [L1247] RET, EXPR 0 new(5) [L1247] 0 B = new(5) [L1248] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-1:0}, A_mutex={1:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=0, t1={9:0}] [L1249] 0 int *data; [L1251] EXPR 0 A->datum [L1251] 0 data = &A->datum [L1253] 0 *data = 42 VAL [*data = 42=49, A={-1:0}, A_mutex={1:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}, data={-1:0}, t1={9:0}] [L1237] EXPR 1 A->datum VAL [A={-1:0}, A->datum=42, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}] [L1237] 1 A->datum++ VAL [A={-1:0}, A->datum=42, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}] [L1253] 0 *data = 42 VAL [*data = 42=49, A={-1:0}, A->datum=42, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}, data={-1:0}, t1={9:0}] 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: p->datum = x [1229] * C: A->datum++ [1237] * C: p->next = ((void *)0) [1230] * C: A->datum [1251] * C: A = new(3) [1246] * C: p->datum = x [1229] * C: p->next = ((void *)0) [1230] * C: p->next = ((void *)0) [1230] * C: p->datum = x [1229] * C: p->datum = x [1229] * C: B = new(5) [1247] * C: A->datum [1237] * C: p->next = ((void *)0) [1230] and C: *data = 42 [1253] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: 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: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: 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, 236 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 184.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 180.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 618 IncrementalHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 82 mSDtfsCounter, 618 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=450occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 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 02:15:05,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c21fce1-07b4-45e6-a36a-0325b3e7e454/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE