./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.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_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/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_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/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_d027b608-a23e-4793-935b-6215e718d6db/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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- 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 02:40:07,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:40:07,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:40:07,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:40:07,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:40:07,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:40:07,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:40:07,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:40:07,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:40:07,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:40:07,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:40:07,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:40:07,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:40:07,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:40:07,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:40:07,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:40:07,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:40:07,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:40:07,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:40:07,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:40:07,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:40:07,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:40:07,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:40:07,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:40:07,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:40:07,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:40:07,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:40:07,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:40:07,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:40:07,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:40:07,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:40:07,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:40:07,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:40:07,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:40:07,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:40:07,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:40:07,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:40:07,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:40:07,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:40:07,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:40:07,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:40:07,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:40:07,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:40:07,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:40:07,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:40:07,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:40:07,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:40:07,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:40:07,482 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:40:07,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:40:07,483 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:40:07,483 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:40:07,483 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:40:07,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:40:07,484 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:40:07,484 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:40:07,484 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:40:07,484 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:40:07,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:40:07,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:40:07,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:40:07,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:40:07,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:40:07,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:40:07,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:40:07,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:40:07,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:40:07,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:40:07,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:40:07,494 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:40:07,495 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:40:07,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:40:07,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:40:07,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:40:07,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:40:07,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:40:07,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:40:07,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:40:07,499 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:40:07,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:40:07,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:40:07,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:40:07,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:40:07,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:40:07,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:40:07,500 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_d027b608-a23e-4793-935b-6215e718d6db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2022-11-03 02:40:07,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:40:07,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:40:07,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:40:07,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:40:07,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:40:07,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-03 02:40:07,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/data/3e9f1f676/a94c238f114b47cbac82fbe15197c48e/FLAG4908cb80f [2022-11-03 02:40:08,585 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:40:08,586 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-03 02:40:08,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/data/3e9f1f676/a94c238f114b47cbac82fbe15197c48e/FLAG4908cb80f [2022-11-03 02:40:08,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/data/3e9f1f676/a94c238f114b47cbac82fbe15197c48e [2022-11-03 02:40:08,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:40:08,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:40:08,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:40:08,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:40:08,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:40:08,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:40:08" (1/1) ... [2022-11-03 02:40:08,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0cc247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:08, skipping insertion in model container [2022-11-03 02:40:08,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:40:08" (1/1) ... [2022-11-03 02:40:08,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:40:08,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:40:09,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-11-03 02:40:09,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:40:09,546 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:40:09,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-11-03 02:40:09,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:40:09,726 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:40:09,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09 WrapperNode [2022-11-03 02:40:09,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:40:09,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:40:09,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:40:09,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:40:09,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,814 INFO L138 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-11-03 02:40:09,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:40:09,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:40:09,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:40:09,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:40:09,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:40:09,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:40:09,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:40:09,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:40:09,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (1/1) ... [2022-11-03 02:40:09,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:40:09,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:40:09,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:40:09,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:40:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-11-03 02:40:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-11-03 02:40:09,959 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-11-03 02:40:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-11-03 02:40:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-11-03 02:40:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:40:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:40:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:40:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:40:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:40:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:40:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:40:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:40:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:40:09,962 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 02:40:10,357 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:40:10,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:40:10,652 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:40:10,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:40:10,662 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:40:10,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:10 BoogieIcfgContainer [2022-11-03 02:40:10,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:40:10,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:40:10,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:40:10,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:40:10,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:40:08" (1/3) ... [2022-11-03 02:40:10,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f86579e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:10, skipping insertion in model container [2022-11-03 02:40:10,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:09" (2/3) ... [2022-11-03 02:40:10,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f86579e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:10, skipping insertion in model container [2022-11-03 02:40:10,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:10" (3/3) ... [2022-11-03 02:40:10,676 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-03 02:40:10,720 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:40:10,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:40:10,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-03 02:40:10,732 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:40:10,857 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-03 02:40:10,892 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:40:10,907 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 127 transitions, 270 flow [2022-11-03 02:40:10,910 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 127 transitions, 270 flow [2022-11-03 02:40:10,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 127 transitions, 270 flow [2022-11-03 02:40:10,973 INFO L130 PetriNetUnfolder]: 1/125 cut-off events. [2022-11-03 02:40:10,973 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-03 02:40:10,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 125 events. 1/125 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 113 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2022-11-03 02:40:10,980 INFO L118 LiptonReduction]: Number of co-enabled transitions 2914 [2022-11-03 02:40:16,514 INFO L133 LiptonReduction]: Checked pairs total: 8764 [2022-11-03 02:40:16,514 INFO L135 LiptonReduction]: Total number of compositions: 101 [2022-11-03 02:40:16,523 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 39 transitions, 94 flow [2022-11-03 02:40:16,591 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 593 states, 567 states have (on average 2.6472663139329806) internal successors, (1501), 592 states have internal predecessors, (1501), 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 02:40:16,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:40:16,614 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;@43da216a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:40:16,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-03 02:40:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 593 states, 567 states have (on average 2.6472663139329806) internal successors, (1501), 592 states have internal predecessors, (1501), 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 02:40:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:40:16,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:16,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:40:16,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-03 02:40:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:16,631 INFO L85 PathProgramCache]: Analyzing trace with hash 417792174, now seen corresponding path program 1 times [2022-11-03 02:40:16,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:16,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695963881] [2022-11-03 02:40:16,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:16,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:17,029 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 02:40:17,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:17,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695963881] [2022-11-03 02:40:17,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695963881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:17,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:17,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:40:17,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676514229] [2022-11-03 02:40:17,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:17,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:40:17,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:17,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:40:17,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:40:17,064 INFO L87 Difference]: Start difference. First operand has 593 states, 567 states have (on average 2.6472663139329806) internal successors, (1501), 592 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:40:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:17,167 INFO L93 Difference]: Finished difference Result 406 states and 928 transitions. [2022-11-03 02:40:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:40:17,169 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:40:17,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:17,182 INFO L225 Difference]: With dead ends: 406 [2022-11-03 02:40:17,182 INFO L226 Difference]: Without dead ends: 396 [2022-11-03 02:40:17,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:40:17,186 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:17,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-03 02:40:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2022-11-03 02:40:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 385 states have (on average 2.348051948051948) internal successors, (904), 395 states have internal predecessors, (904), 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 02:40:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 904 transitions. [2022-11-03 02:40:17,246 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 904 transitions. Word has length 5 [2022-11-03 02:40:17,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:17,247 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 904 transitions. [2022-11-03 02:40:17,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:40:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 904 transitions. [2022-11-03 02:40:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 02:40:17,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:17,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 02:40:17,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:40:17,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-03 02:40:17,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:17,251 INFO L85 PathProgramCache]: Analyzing trace with hash 65054991, now seen corresponding path program 1 times [2022-11-03 02:40:17,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:17,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849688918] [2022-11-03 02:40:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:17,393 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 02:40:17,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:17,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849688918] [2022-11-03 02:40:17,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849688918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:17,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:17,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:40:17,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265938619] [2022-11-03 02:40:17,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:17,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:17,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:17,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:17,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:17,398 INFO L87 Difference]: Start difference. First operand 396 states and 904 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 02:40:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:17,496 INFO L93 Difference]: Finished difference Result 408 states and 933 transitions. [2022-11-03 02:40:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:17,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-03 02:40:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:17,501 INFO L225 Difference]: With dead ends: 408 [2022-11-03 02:40:17,501 INFO L226 Difference]: Without dead ends: 408 [2022-11-03 02:40:17,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:17,503 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:17,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:17,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-03 02:40:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2022-11-03 02:40:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 397 states have (on average 2.350125944584383) internal successors, (933), 407 states have internal predecessors, (933), 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 02:40:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 933 transitions. [2022-11-03 02:40:17,525 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 933 transitions. Word has length 6 [2022-11-03 02:40:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:17,525 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 933 transitions. [2022-11-03 02:40:17,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 02:40:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 933 transitions. [2022-11-03 02:40:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 02:40:17,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:17,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:17,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:40:17,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-03 02:40:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2066272612, now seen corresponding path program 1 times [2022-11-03 02:40:17,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:17,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126022477] [2022-11-03 02:40:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:17,639 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 02:40:17,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:17,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126022477] [2022-11-03 02:40:17,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126022477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:17,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:17,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:40:17,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416495545] [2022-11-03 02:40:17,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:17,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:17,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:17,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:17,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:17,647 INFO L87 Difference]: Start difference. First operand 408 states and 933 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) [2022-11-03 02:40:17,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:17,775 INFO L93 Difference]: Finished difference Result 476 states and 1080 transitions. [2022-11-03 02:40:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:17,776 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 [2022-11-03 02:40:17,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:17,779 INFO L225 Difference]: With dead ends: 476 [2022-11-03 02:40:17,779 INFO L226 Difference]: Without dead ends: 476 [2022-11-03 02:40:17,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:17,784 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:17,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 12 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:17,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-11-03 02:40:17,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 406. [2022-11-03 02:40:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 397 states have (on average 2.3123425692695214) internal successors, (918), 405 states have internal predecessors, (918), 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 02:40:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 918 transitions. [2022-11-03 02:40:17,811 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 918 transitions. Word has length 7 [2022-11-03 02:40:17,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:17,811 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 918 transitions. [2022-11-03 02:40:17,812 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) [2022-11-03 02:40:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 918 transitions. [2022-11-03 02:40:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:40:17,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:17,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:17,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:40:17,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-03 02:40:17,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:17,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2004948103, now seen corresponding path program 1 times [2022-11-03 02:40:17,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:17,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920501580] [2022-11-03 02:40:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:17,978 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 02:40:17,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:17,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920501580] [2022-11-03 02:40:17,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920501580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:17,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:17,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:17,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365389146] [2022-11-03 02:40:17,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:17,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:17,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:17,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:17,981 INFO L87 Difference]: Start difference. First operand 406 states and 918 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 02:40:18,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:18,039 INFO L93 Difference]: Finished difference Result 144 states and 233 transitions. [2022-11-03 02:40:18,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:18,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 02:40:18,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:18,041 INFO L225 Difference]: With dead ends: 144 [2022-11-03 02:40:18,041 INFO L226 Difference]: Without dead ends: 144 [2022-11-03 02:40:18,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:18,042 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 19 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:18,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 6 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-03 02:40:18,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2022-11-03 02:40:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 139 states have (on average 1.6762589928057554) internal successors, (233), 143 states have internal predecessors, (233), 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 02:40:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 233 transitions. [2022-11-03 02:40:18,048 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 233 transitions. Word has length 10 [2022-11-03 02:40:18,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:18,049 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 233 transitions. [2022-11-03 02:40:18,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 02:40:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2022-11-03 02:40:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:40:18,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:18,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:18,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:40:18,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-03 02:40:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash 812394863, now seen corresponding path program 1 times [2022-11-03 02:40:18,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:18,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55605263] [2022-11-03 02:40:18,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:18,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:18,125 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 02:40:18,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55605263] [2022-11-03 02:40:18,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55605263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:18,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:18,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:40:18,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089659916] [2022-11-03 02:40:18,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:18,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:18,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:18,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:18,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:18,128 INFO L87 Difference]: Start difference. First operand 144 states and 233 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 02:40:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:18,184 INFO L93 Difference]: Finished difference Result 136 states and 220 transitions. [2022-11-03 02:40:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:18,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-03 02:40:18,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:18,186 INFO L225 Difference]: With dead ends: 136 [2022-11-03 02:40:18,186 INFO L226 Difference]: Without dead ends: 102 [2022-11-03 02:40:18,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:18,187 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:18,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-03 02:40:18,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-11-03 02:40:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 100 states have (on average 1.62) internal successors, (162), 101 states have internal predecessors, (162), 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 02:40:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 162 transitions. [2022-11-03 02:40:18,191 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 162 transitions. Word has length 11 [2022-11-03 02:40:18,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:18,192 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 162 transitions. [2022-11-03 02:40:18,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 02:40:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2022-11-03 02:40:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:40:18,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:18,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:18,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:40:18,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-03 02:40:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:18,194 INFO L85 PathProgramCache]: Analyzing trace with hash 441047644, now seen corresponding path program 1 times [2022-11-03 02:40:18,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:18,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944650949] [2022-11-03 02:40:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:18,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:18,295 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 02:40:18,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:18,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944650949] [2022-11-03 02:40:18,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944650949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:18,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:18,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:40:18,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949134139] [2022-11-03 02:40:18,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:18,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:18,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:18,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:18,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:18,298 INFO L87 Difference]: Start difference. First operand 102 states and 162 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 02:40:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:18,352 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2022-11-03 02:40:18,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:18,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-03 02:40:18,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:18,354 INFO L225 Difference]: With dead ends: 96 [2022-11-03 02:40:18,354 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:40:18,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:18,359 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:18,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 8 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:18,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:40:18,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:40:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 02:40:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:40:18,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-03 02:40:18,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:18,364 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:40:18,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 02:40:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:40:18,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:40:18,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-11-03 02:40:18,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-11-03 02:40:18,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2022-11-03 02:40:18,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2022-11-03 02:40:18,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-11-03 02:40:18,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2022-11-03 02:40:18,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-11-03 02:40:18,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-11-03 02:40:18,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-11-03 02:40:18,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-11-03 02:40:18,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-11-03 02:40:18,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-11-03 02:40:18,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-11-03 02:40:18,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-11-03 02:40:18,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:40:18,379 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-03 02:40:18,387 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:40:18,387 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:40:18,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:40:18 BasicIcfg [2022-11-03 02:40:18,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:40:18,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:40:18,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:40:18,392 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:40:18,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:10" (3/4) ... [2022-11-03 02:40:18,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:40:18,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-11-03 02:40:18,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-11-03 02:40:18,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-03 02:40:18,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 02:40:18,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:40:18,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:40:18,444 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:40:18,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:40:18,445 INFO L158 Benchmark]: Toolchain (without parser) took 9601.12ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 82.5MB in the beginning and 117.2MB in the end (delta: -34.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-11-03 02:40:18,445 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:40:18,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.71ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 68.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:40:18,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.16ms. Allocated memory is still 121.6MB. Free memory was 68.8MB in the beginning and 65.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:40:18,447 INFO L158 Benchmark]: Boogie Preprocessor took 39.41ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 63.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:40:18,447 INFO L158 Benchmark]: RCFGBuilder took 800.96ms. Allocated memory is still 121.6MB. Free memory was 63.2MB in the beginning and 42.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-03 02:40:18,447 INFO L158 Benchmark]: TraceAbstraction took 7724.31ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 40.9MB in the beginning and 120.3MB in the end (delta: -79.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:40:18,448 INFO L158 Benchmark]: Witness Printer took 53.35ms. Allocated memory is still 161.5MB. Free memory was 120.3MB in the beginning and 117.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:40:18,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.71ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 68.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.16ms. Allocated memory is still 121.6MB. Free memory was 68.8MB in the beginning and 65.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.41ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 63.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 800.96ms. Allocated memory is still 121.6MB. Free memory was 63.2MB in the beginning and 42.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7724.31ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 40.9MB in the beginning and 120.3MB in the end (delta: -79.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.35ms. Allocated memory is still 161.5MB. Free memory was 120.3MB in the beginning and 117.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 133 PlacesBefore, 45 PlacesAfterwards, 127 TransitionsBefore, 39 TransitionsAfterwards, 2914 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 101 TotalNumberOfCompositions, 8764 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5339, positive: 5022, positive conditional: 0, positive unconditional: 5022, negative: 317, negative conditional: 0, negative unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2156, positive: 2104, positive conditional: 0, positive unconditional: 2104, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2156, positive: 2041, positive conditional: 0, positive unconditional: 2041, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5339, positive: 2918, positive conditional: 0, positive unconditional: 2918, negative: 265, negative conditional: 0, negative unconditional: 265, unknown: 2156, unknown conditional: 0, unknown unconditional: 2156] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 364, Positive conditional cache size: 0, Positive unconditional cache size: 364, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - 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 - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 179 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 46 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=593occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 6 MinimizatonAttempts, 70 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 02:40:18,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d027b608-a23e-4793-935b-6215e718d6db/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 Result: TRUE