./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:49:49,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:49:49,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:49:49,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:49:49,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:49:49,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:49:49,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:49:49,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:49:49,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:49:49,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:49:49,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:49:49,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:49:49,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:49:49,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:49:49,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:49:49,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:49:49,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:49:49,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:49:49,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:49:49,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:49:49,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:49:49,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:49:49,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:49:49,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:49:49,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:49:49,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:49:49,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:49:49,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:49:49,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:49:49,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:49:49,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:49:49,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:49:49,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:49:49,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:49:49,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:49:49,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:49:49,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:49:49,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:49:49,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:49:49,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:49:49,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:49:49,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 15:49:49,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:49:49,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:49:49,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:49:49,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:49:49,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:49:49,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:49:49,691 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:49:49,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:49:49,691 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:49:49,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:49:49,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:49:49,692 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:49:49,692 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:49:49,692 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:49:49,692 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:49:49,693 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:49:49,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:49:49,693 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:49:49,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:49:49,694 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 15:49:49,695 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:49:49,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:49:49,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:49:49,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:49:49,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:49:49,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:49:49,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:49:49,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:49:49,696 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:49:49,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:49:49,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:49:49,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:49:49,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:49:49,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:49:49,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:49:49,697 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_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 [2022-12-14 15:49:49,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:49:49,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:49:49,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:49:49,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:49:49,904 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:49:49,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2022-12-14 15:49:52,477 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:49:52,645 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:49:52,645 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2022-12-14 15:49:52,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/data/e04b808b4/dde8b6ca660b428e85607bececf97c5e/FLAGfccb61f54 [2022-12-14 15:49:52,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/data/e04b808b4/dde8b6ca660b428e85607bececf97c5e [2022-12-14 15:49:52,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:49:52,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:49:52,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:49:52,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:49:52,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:49:52,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:49:52" (1/1) ... [2022-12-14 15:49:52,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2e1dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:52, skipping insertion in model container [2022-12-14 15:49:52,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:49:52" (1/1) ... [2022-12-14 15:49:52,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:49:52,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:49:53,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:49:53,171 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:49:53,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:49:53,270 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:49:53,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53 WrapperNode [2022-12-14 15:49:53,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:49:53,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:49:53,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:49:53,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:49:53,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,304 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-14 15:49:53,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:49:53,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:49:53,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:49:53,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:49:53,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:49:53,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:49:53,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:49:53,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:49:53,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (1/1) ... [2022-12-14 15:49:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:49:53,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:49:53,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:49:53,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:49:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:49:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:49:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:49:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:49:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 15:49:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:49:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 15:49:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 15:49:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:49:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:49:53,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:49:53,396 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 15:49:53,508 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:49:53,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:49:53,675 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:49:53,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:49:53,681 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 15:49:53,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:49:53 BoogieIcfgContainer [2022-12-14 15:49:53,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:49:53,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:49:53,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:49:53,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:49:53,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:49:52" (1/3) ... [2022-12-14 15:49:53,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb433f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:49:53, skipping insertion in model container [2022-12-14 15:49:53,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:49:53" (2/3) ... [2022-12-14 15:49:53,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb433f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:49:53, skipping insertion in model container [2022-12-14 15:49:53,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:49:53" (3/3) ... [2022-12-14 15:49:53,690 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2022-12-14 15:49:53,698 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 15:49:53,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:49:53,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 15:49:53,707 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 15:49:53,747 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 15:49:53,771 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 15:49:53,782 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 81 transitions, 170 flow [2022-12-14 15:49:53,784 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 81 transitions, 170 flow [2022-12-14 15:49:53,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 81 transitions, 170 flow [2022-12-14 15:49:53,819 INFO L130 PetriNetUnfolder]: 2/80 cut-off events. [2022-12-14 15:49:53,819 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 15:49:53,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 2/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2022-12-14 15:49:53,823 INFO L119 LiptonReduction]: Number of co-enabled transitions 798 [2022-12-14 15:49:55,560 INFO L134 LiptonReduction]: Checked pairs total: 3353 [2022-12-14 15:49:55,560 INFO L136 LiptonReduction]: Total number of compositions: 66 [2022-12-14 15:49:55,566 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 58 flow [2022-12-14 15:49:55,583 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 104 states, 92 states have (on average 2.108695652173913) internal successors, (194), 103 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:55,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:49:55,601 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;@3cdd75e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:49:55,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-14 15:49:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 92 states have (on average 2.108695652173913) internal successors, (194), 103 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 15:49:55,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:49:55,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 15:49:55,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-14 15:49:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:49:55,611 INFO L85 PathProgramCache]: Analyzing trace with hash 281025, now seen corresponding path program 1 times [2022-12-14 15:49:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:49:55,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333634240] [2022-12-14 15:49:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:49:55,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:49:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:49:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:49:55,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:49:55,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333634240] [2022-12-14 15:49:55,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333634240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:49:55,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:49:55,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 15:49:55,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642359150] [2022-12-14 15:49:55,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:49:55,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:49:55,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:49:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:49:55,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:49:55,774 INFO L87 Difference]: Start difference. First operand has 104 states, 92 states have (on average 2.108695652173913) internal successors, (194), 103 states have internal predecessors, (194), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:55,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:49:55,801 INFO L93 Difference]: Finished difference Result 83 states and 155 transitions. [2022-12-14 15:49:55,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:49:55,803 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-12-14 15:49:55,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:49:55,809 INFO L225 Difference]: With dead ends: 83 [2022-12-14 15:49:55,809 INFO L226 Difference]: Without dead ends: 79 [2022-12-14 15:49:55,810 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 [2022-12-14 15:49:55,813 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:49:55,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:49:55,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-14 15:49:55,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-12-14 15:49:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 73 states have (on average 1.9863013698630136) internal successors, (145), 78 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 145 transitions. [2022-12-14 15:49:55,844 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 145 transitions. Word has length 3 [2022-12-14 15:49:55,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:49:55,844 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 145 transitions. [2022-12-14 15:49:55,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 145 transitions. [2022-12-14 15:49:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 15:49:55,845 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:49:55,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 15:49:55,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:49:55,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-14 15:49:55,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:49:55,846 INFO L85 PathProgramCache]: Analyzing trace with hash 270023319, now seen corresponding path program 1 times [2022-12-14 15:49:55,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:49:55,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759063783] [2022-12-14 15:49:55,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:49:55,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:49:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:49:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:49:55,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:49:55,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759063783] [2022-12-14 15:49:55,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759063783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:49:55,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:49:55,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:49:55,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084414968] [2022-12-14 15:49:55,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:49:55,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:49:55,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:49:55,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:49:55,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:49:55,918 INFO L87 Difference]: Start difference. First operand 79 states and 145 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-12-14 15:49:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:49:55,956 INFO L93 Difference]: Finished difference Result 86 states and 157 transitions. [2022-12-14 15:49:55,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:49:55,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2022-12-14 15:49:55,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:49:55,958 INFO L225 Difference]: With dead ends: 86 [2022-12-14 15:49:55,958 INFO L226 Difference]: Without dead ends: 86 [2022-12-14 15:49:55,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:49:55,960 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:49:55,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:49:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-14 15:49:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2022-12-14 15:49:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 73 states have (on average 1.9452054794520548) internal successors, (142), 77 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 142 transitions. [2022-12-14 15:49:55,970 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 142 transitions. Word has length 5 [2022-12-14 15:49:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:49:55,971 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 142 transitions. [2022-12-14 15:49:55,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-12-14 15:49:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2022-12-14 15:49:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 15:49:55,971 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:49:55,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:49:55,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:49:55,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-14 15:49:55,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:49:55,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1794414077, now seen corresponding path program 1 times [2022-12-14 15:49:55,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:49:55,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552044248] [2022-12-14 15:49:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:49:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:49:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:49:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:49:56,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:49:56,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552044248] [2022-12-14 15:49:56,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552044248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:49:56,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:49:56,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:49:56,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014494855] [2022-12-14 15:49:56,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:49:56,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:49:56,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:49:56,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:49:56,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:49:56,022 INFO L87 Difference]: Start difference. First operand 78 states and 142 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:49:56,053 INFO L93 Difference]: Finished difference Result 83 states and 148 transitions. [2022-12-14 15:49:56,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:49:56,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-12-14 15:49:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:49:56,055 INFO L225 Difference]: With dead ends: 83 [2022-12-14 15:49:56,055 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 15:49:56,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:49:56,056 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:49:56,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:49:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 15:49:56,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2022-12-14 15:49:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 68 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 121 transitions. [2022-12-14 15:49:56,063 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 121 transitions. Word has length 7 [2022-12-14 15:49:56,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:49:56,064 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 121 transitions. [2022-12-14 15:49:56,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 121 transitions. [2022-12-14 15:49:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 15:49:56,064 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:49:56,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:49:56,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:49:56,065 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-14 15:49:56,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:49:56,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1819119367, now seen corresponding path program 1 times [2022-12-14 15:49:56,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:49:56,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616094346] [2022-12-14 15:49:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:49:56,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:49:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:49:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:49:56,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:49:56,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616094346] [2022-12-14 15:49:56,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616094346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:49:56,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:49:56,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:49:56,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341407252] [2022-12-14 15:49:56,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:49:56,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:49:56,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:49:56,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:49:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:49:56,104 INFO L87 Difference]: Start difference. First operand 69 states and 121 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:56,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:49:56,129 INFO L93 Difference]: Finished difference Result 66 states and 112 transitions. [2022-12-14 15:49:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:49:56,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-12-14 15:49:56,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:49:56,130 INFO L225 Difference]: With dead ends: 66 [2022-12-14 15:49:56,130 INFO L226 Difference]: Without dead ends: 56 [2022-12-14 15:49:56,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:49:56,132 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:49:56,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:49:56,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-14 15:49:56,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-12-14 15:49:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.5925925925925926) internal successors, (86), 55 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 86 transitions. [2022-12-14 15:49:56,135 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 86 transitions. Word has length 7 [2022-12-14 15:49:56,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:49:56,135 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 86 transitions. [2022-12-14 15:49:56,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:49:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2022-12-14 15:49:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 15:49:56,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:49:56,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:49:56,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:49:56,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-14 15:49:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:49:56,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2144866039, now seen corresponding path program 1 times [2022-12-14 15:49:56,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:49:56,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082379485] [2022-12-14 15:49:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:49:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:49:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:49:56,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:49:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:49:56,173 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:49:56,173 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:49:56,174 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-12-14 15:49:56,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-12-14 15:49:56,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-12-14 15:49:56,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-12-14 15:49:56,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-12-14 15:49:56,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining) [2022-12-14 15:49:56,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-12-14 15:49:56,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-12-14 15:49:56,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-12-14 15:49:56,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:49:56,178 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 15:49:56,183 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 15:49:56,183 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:49:56,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:49:56 BasicIcfg [2022-12-14 15:49:56,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:49:56,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:49:56,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:49:56,200 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:49:56,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:49:53" (3/4) ... [2022-12-14 15:49:56,203 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:49:56,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:49:56,203 INFO L158 Benchmark]: Toolchain (without parser) took 3529.40ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 120.6MB in the beginning and 100.7MB in the end (delta: 19.9MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2022-12-14 15:49:56,204 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:49:56,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.67ms. Allocated memory is still 165.7MB. Free memory was 120.6MB in the beginning and 93.4MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 15:49:56,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 165.7MB. Free memory was 93.4MB in the beginning and 91.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:49:56,204 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 165.7MB. Free memory was 91.2MB in the beginning and 89.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:49:56,205 INFO L158 Benchmark]: RCFGBuilder took 356.31ms. Allocated memory is still 165.7MB. Free memory was 89.2MB in the beginning and 75.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:49:56,205 INFO L158 Benchmark]: TraceAbstraction took 2514.94ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 75.1MB in the beginning and 101.7MB in the end (delta: -26.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-12-14 15:49:56,205 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 218.1MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:49:56,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.67ms. Allocated memory is still 165.7MB. Free memory was 120.6MB in the beginning and 93.4MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 165.7MB. Free memory was 93.4MB in the beginning and 91.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.61ms. Allocated memory is still 165.7MB. Free memory was 91.2MB in the beginning and 89.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.31ms. Allocated memory is still 165.7MB. Free memory was 89.2MB in the beginning and 75.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2514.94ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 75.1MB in the beginning and 101.7MB in the end (delta: -26.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 218.1MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 83 PlacesBefore, 28 PlacesAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 798 CoEnabledTransitionPairs, 9 FixpointIterations, 37 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 3353 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1448, independent: 1180, independent conditional: 0, independent unconditional: 1180, dependent: 268, dependent conditional: 0, dependent unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 573, independent: 539, independent conditional: 0, independent unconditional: 539, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 573, independent: 490, independent conditional: 0, independent unconditional: 490, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1448, independent: 641, independent conditional: 0, independent unconditional: 641, dependent: 234, dependent conditional: 0, dependent unconditional: 234, unknown: 573, unknown conditional: 0, unknown unconditional: 573] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L928] 0 pthread_t id; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L922] EXPR 1 myglobal+1 [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L931] 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [931] and C: myglobal=myglobal+1 [922] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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: 922]: 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, 99 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 17 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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! [2022-12-14 15:49:56,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bff90a4-042e-4e7c-9520-39c0d42f7cea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE