./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur --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 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 --- 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-38b53e6 [2022-11-25 23:42:24,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:42:24,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:42:24,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:42:24,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:42:24,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:42:24,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:42:24,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:42:24,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:42:24,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:42:24,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:42:24,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:42:24,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:42:24,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:42:24,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:42:24,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:42:24,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:42:24,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:42:24,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:42:24,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:42:24,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:42:24,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:42:24,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:42:24,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:42:24,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:42:24,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:42:24,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:42:24,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:42:24,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:42:24,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:42:24,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:42:24,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:42:24,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:42:24,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:42:24,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:42:24,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:42:24,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:42:24,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:42:24,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:42:24,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:42:24,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:42:24,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 23:42:24,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:42:24,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:42:24,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:42:24,484 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:42:24,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:42:24,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:42:24,487 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:42:24,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:42:24,487 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:42:24,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:42:24,489 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:42:24,489 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:42:24,489 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:42:24,490 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:42:24,490 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:42:24,490 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:42:24,491 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:42:24,491 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:42:24,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:42:24,492 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:42:24,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:42:24,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:42:24,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:42:24,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:42:24,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:42:24,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:42:24,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:42:24,495 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 23:42:24,496 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:42:24,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:42:24,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:42:24,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:42:24,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:42:24,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:42:24,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:42:24,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:42:24,498 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:42:24,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:42:24,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:42:24,499 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:42:24,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:42:24,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:42:24,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:42:24,500 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_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 [2022-11-25 23:42:24,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:42:24,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:42:24,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:42:24,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:42:24,921 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:42:24,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2022-11-25 23:42:28,336 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:42:28,646 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:42:28,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2022-11-25 23:42:28,660 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/data/1a9139242/536f2ac51a1a4b47a5c17f96a0febd6b/FLAGedb050d25 [2022-11-25 23:42:28,693 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/data/1a9139242/536f2ac51a1a4b47a5c17f96a0febd6b [2022-11-25 23:42:28,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:42:28,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:42:28,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:42:28,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:42:28,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:42:28,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:42:28" (1/1) ... [2022-11-25 23:42:28,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59916105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:28, skipping insertion in model container [2022-11-25 23:42:28,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:42:28" (1/1) ... [2022-11-25 23:42:28,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:42:28,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:42:29,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:42:29,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:42:29,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:42:29,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:42:29,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:42:29,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:42:29,139 WARN L237 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_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c[2815,2828] [2022-11-25 23:42:29,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:42:29,166 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:42:29,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:42:29,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:42:29,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:42:29,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:42:29,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:42:29,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:42:29,252 WARN L237 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_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c[2815,2828] [2022-11-25 23:42:29,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:42:29,284 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:42:29,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29 WrapperNode [2022-11-25 23:42:29,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:42:29,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:42:29,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:42:29,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:42:29,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,395 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 371 [2022-11-25 23:42:29,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:42:29,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:42:29,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:42:29,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:42:29,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:42:29,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:42:29,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:42:29,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:42:29,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (1/1) ... [2022-11-25 23:42:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:42:29,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:42:29,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:42:29,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:42:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:42:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:42:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:42:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:42:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 23:42:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 23:42:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 23:42:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 23:42:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 23:42:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 23:42:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:42:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 23:42:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 23:42:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:42:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:42:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:42:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:42:29,613 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:42:29,757 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:42:29,760 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:42:31,004 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:42:31,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:42:31,337 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 23:42:31,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:42:31 BoogieIcfgContainer [2022-11-25 23:42:31,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:42:31,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:42:31,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:42:31,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:42:31,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:42:28" (1/3) ... [2022-11-25 23:42:31,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f76c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:42:31, skipping insertion in model container [2022-11-25 23:42:31,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:42:29" (2/3) ... [2022-11-25 23:42:31,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f76c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:42:31, skipping insertion in model container [2022-11-25 23:42:31,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:42:31" (3/3) ... [2022-11-25 23:42:31,358 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2022-11-25 23:42:31,369 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:42:31,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:42:31,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2022-11-25 23:42:31,382 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:42:31,587 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 23:42:31,687 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:42:31,719 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 511 places, 528 transitions, 1080 flow [2022-11-25 23:42:31,727 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 511 places, 528 transitions, 1080 flow [2022-11-25 23:42:31,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 511 places, 528 transitions, 1080 flow [2022-11-25 23:42:32,066 INFO L130 PetriNetUnfolder]: 27/525 cut-off events. [2022-11-25 23:42:32,066 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 23:42:32,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 525 events. 27/525 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 623 event pairs, 0 based on Foata normal form. 0/440 useless extension candidates. Maximal degree in co-relation 421. Up to 3 conditions per place. [2022-11-25 23:42:32,088 INFO L119 LiptonReduction]: Number of co-enabled transitions 13362 [2022-11-25 23:45:29,863 INFO L134 LiptonReduction]: Checked pairs total: 94517 [2022-11-25 23:45:29,863 INFO L136 LiptonReduction]: Total number of compositions: 628 [2022-11-25 23:45:29,874 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 132 transitions, 288 flow [2022-11-25 23:45:33,238 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52279 states, 49896 states have (on average 4.336640211640212) internal successors, (216381), 52278 states have internal predecessors, (216381), 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) [2022-11-25 23:45:33,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:45:33,476 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;@6ef2c831, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:45:33,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2022-11-25 23:45:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 52279 states, 49896 states have (on average 4.336640211640212) internal successors, (216381), 52278 states have internal predecessors, (216381), 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) [2022-11-25 23:45:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-25 23:45:33,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:33,699 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-25 23:45:33,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:33,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:33,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2130, now seen corresponding path program 1 times [2022-11-25 23:45:33,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:33,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530864933] [2022-11-25 23:45:33,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:33,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:45:33,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:33,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530864933] [2022-11-25 23:45:33,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530864933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:33,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:33,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 23:45:33,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351152956] [2022-11-25 23:45:33,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:33,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:45:33,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:33,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:45:33,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:45:34,022 INFO L87 Difference]: Start difference. First operand has 52279 states, 49896 states have (on average 4.336640211640212) internal successors, (216381), 52278 states have internal predecessors, (216381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:45:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:34,557 INFO L93 Difference]: Finished difference Result 5616 states and 22643 transitions. [2022-11-25 23:45:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:45:34,560 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-25 23:45:34,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:34,665 INFO L225 Difference]: With dead ends: 5616 [2022-11-25 23:45:34,665 INFO L226 Difference]: Without dead ends: 5585 [2022-11-25 23:45:34,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:45:34,670 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:34,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:45:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2022-11-25 23:45:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5585. [2022-11-25 23:45:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5585 states, 5573 states have (on average 4.047371254261619) internal successors, (22556), 5584 states have internal predecessors, (22556), 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) [2022-11-25 23:45:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5585 states to 5585 states and 22556 transitions. [2022-11-25 23:45:35,367 INFO L78 Accepts]: Start accepts. Automaton has 5585 states and 22556 transitions. Word has length 1 [2022-11-25 23:45:35,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:35,372 INFO L495 AbstractCegarLoop]: Abstraction has 5585 states and 22556 transitions. [2022-11-25 23:45:35,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:45:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5585 states and 22556 transitions. [2022-11-25 23:45:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:45:35,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:35,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:35,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:45:35,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:35,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1040352522, now seen corresponding path program 1 times [2022-11-25 23:45:35,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:35,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122395402] [2022-11-25 23:45:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:45:36,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:36,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122395402] [2022-11-25 23:45:36,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122395402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:36,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:36,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:45:36,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016528661] [2022-11-25 23:45:36,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:36,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:45:36,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:36,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:45:36,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:45:36,389 INFO L87 Difference]: Start difference. First operand 5585 states and 22556 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2022-11-25 23:45:36,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:36,904 INFO L93 Difference]: Finished difference Result 5586 states and 22557 transitions. [2022-11-25 23:45:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:45:36,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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 [2022-11-25 23:45:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:36,963 INFO L225 Difference]: With dead ends: 5586 [2022-11-25 23:45:36,963 INFO L226 Difference]: Without dead ends: 5586 [2022-11-25 23:45:36,965 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 [2022-11-25 23:45:36,966 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:36,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:45:36,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5586 states. [2022-11-25 23:45:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5586 to 5586. [2022-11-25 23:45:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5586 states, 5574 states have (on average 4.046824542518838) internal successors, (22557), 5585 states have internal predecessors, (22557), 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) [2022-11-25 23:45:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5586 states to 5586 states and 22557 transitions. [2022-11-25 23:45:37,369 INFO L78 Accepts]: Start accepts. Automaton has 5586 states and 22557 transitions. Word has length 13 [2022-11-25 23:45:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:37,370 INFO L495 AbstractCegarLoop]: Abstraction has 5586 states and 22557 transitions. [2022-11-25 23:45:37,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2022-11-25 23:45:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5586 states and 22557 transitions. [2022-11-25 23:45:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:45:37,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:37,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:37,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:45:37,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:37,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1457235935, now seen corresponding path program 1 times [2022-11-25 23:45:37,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:37,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731994633] [2022-11-25 23:45:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:37,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:45:38,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:38,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731994633] [2022-11-25 23:45:38,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731994633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:38,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:38,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:45:38,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971197471] [2022-11-25 23:45:38,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:38,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:45:38,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:45:38,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:45:38,209 INFO L87 Difference]: Start difference. First operand 5586 states and 22557 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:45:41,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:41,129 INFO L93 Difference]: Finished difference Result 9026 states and 36659 transitions. [2022-11-25 23:45:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:45:41,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 23:45:41,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:41,255 INFO L225 Difference]: With dead ends: 9026 [2022-11-25 23:45:41,255 INFO L226 Difference]: Without dead ends: 9026 [2022-11-25 23:45:41,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:45:41,259 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 80 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:41,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 71 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 23:45:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9026 states. [2022-11-25 23:45:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 6506. [2022-11-25 23:45:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6506 states, 6494 states have (on average 4.064213119802895) internal successors, (26393), 6505 states have internal predecessors, (26393), 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) [2022-11-25 23:45:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 26393 transitions. [2022-11-25 23:45:41,796 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 26393 transitions. Word has length 14 [2022-11-25 23:45:41,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:41,807 INFO L495 AbstractCegarLoop]: Abstraction has 6506 states and 26393 transitions. [2022-11-25 23:45:41,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:45:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 26393 transitions. [2022-11-25 23:45:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:45:41,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:41,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:41,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:45:41,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:41,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2070342351, now seen corresponding path program 1 times [2022-11-25 23:45:41,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:41,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975806828] [2022-11-25 23:45:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:41,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:45:41,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:41,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975806828] [2022-11-25 23:45:41,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975806828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:41,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:41,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:45:41,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621810105] [2022-11-25 23:45:41,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:41,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:45:41,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:41,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:45:41,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:45:41,950 INFO L87 Difference]: Start difference. First operand 6506 states and 26393 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 23:45:42,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:42,466 INFO L93 Difference]: Finished difference Result 10116 states and 41047 transitions. [2022-11-25 23:45:42,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:45:42,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2022-11-25 23:45:42,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:42,540 INFO L225 Difference]: With dead ends: 10116 [2022-11-25 23:45:42,540 INFO L226 Difference]: Without dead ends: 10116 [2022-11-25 23:45:42,540 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 [2022-11-25 23:45:42,541 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 57 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:42,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 90 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:45:42,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10116 states. [2022-11-25 23:45:42,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10116 to 6336. [2022-11-25 23:45:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6336 states, 6326 states have (on average 4.064653809674359) internal successors, (25713), 6335 states have internal predecessors, (25713), 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) [2022-11-25 23:45:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 25713 transitions. [2022-11-25 23:45:42,963 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 25713 transitions. Word has length 15 [2022-11-25 23:45:42,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:42,964 INFO L495 AbstractCegarLoop]: Abstraction has 6336 states and 25713 transitions. [2022-11-25 23:45:42,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 23:45:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 25713 transitions. [2022-11-25 23:45:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:45:42,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:42,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:42,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:45:42,976 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:42,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:42,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1507867218, now seen corresponding path program 1 times [2022-11-25 23:45:42,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:42,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276648359] [2022-11-25 23:45:42,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:42,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:45:43,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:43,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276648359] [2022-11-25 23:45:43,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276648359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:43,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:43,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:45:43,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680855471] [2022-11-25 23:45:43,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:43,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:45:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:43,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:45:43,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:45:43,183 INFO L87 Difference]: Start difference. First operand 6336 states and 25713 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:45:43,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:43,580 INFO L93 Difference]: Finished difference Result 6338 states and 25715 transitions. [2022-11-25 23:45:43,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:45:43,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 23:45:43,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:43,749 INFO L225 Difference]: With dead ends: 6338 [2022-11-25 23:45:43,749 INFO L226 Difference]: Without dead ends: 6338 [2022-11-25 23:45:43,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:45:43,750 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 69 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:43,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 74 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:45:43,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2022-11-25 23:45:43,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 6338. [2022-11-25 23:45:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6338 states, 6328 states have (on average 4.063685208596713) internal successors, (25715), 6337 states have internal predecessors, (25715), 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) [2022-11-25 23:45:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 25715 transitions. [2022-11-25 23:45:44,044 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 25715 transitions. Word has length 16 [2022-11-25 23:45:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:44,045 INFO L495 AbstractCegarLoop]: Abstraction has 6338 states and 25715 transitions. [2022-11-25 23:45:44,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:45:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 25715 transitions. [2022-11-25 23:45:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:45:44,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:44,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:44,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:45:44,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:44,050 INFO L85 PathProgramCache]: Analyzing trace with hash -669725847, now seen corresponding path program 1 times [2022-11-25 23:45:44,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:44,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138142424] [2022-11-25 23:45:44,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:45:44,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:44,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138142424] [2022-11-25 23:45:44,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138142424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:44,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:44,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:45:44,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244658615] [2022-11-25 23:45:44,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:44,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:45:44,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:44,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:45:44,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:45:44,942 INFO L87 Difference]: Start difference. First operand 6338 states and 25715 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-25 23:45:46,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:46,790 INFO L93 Difference]: Finished difference Result 9223 states and 37357 transitions. [2022-11-25 23:45:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:45:46,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2022-11-25 23:45:46,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:46,848 INFO L225 Difference]: With dead ends: 9223 [2022-11-25 23:45:46,849 INFO L226 Difference]: Without dead ends: 9223 [2022-11-25 23:45:46,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:45:46,850 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 112 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:46,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 82 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:45:46,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9223 states. [2022-11-25 23:45:47,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9223 to 8533. [2022-11-25 23:45:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8533 states, 8523 states have (on average 4.118737533732254) internal successors, (35104), 8532 states have internal predecessors, (35104), 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) [2022-11-25 23:45:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8533 states to 8533 states and 35104 transitions. [2022-11-25 23:45:47,290 INFO L78 Accepts]: Start accepts. Automaton has 8533 states and 35104 transitions. Word has length 18 [2022-11-25 23:45:47,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:47,292 INFO L495 AbstractCegarLoop]: Abstraction has 8533 states and 35104 transitions. [2022-11-25 23:45:47,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-25 23:45:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8533 states and 35104 transitions. [2022-11-25 23:45:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 23:45:47,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:47,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:47,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:45:47,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:47,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1997679010, now seen corresponding path program 1 times [2022-11-25 23:45:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:47,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093598167] [2022-11-25 23:45:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:45:47,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:47,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093598167] [2022-11-25 23:45:47,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093598167] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:45:47,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146239700] [2022-11-25 23:45:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:47,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:45:47,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:45:47,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:45:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:45:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:47,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:45:47,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:45:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:45:48,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:45:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:45:48,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146239700] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:45:48,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [650957344] [2022-11-25 23:45:48,461 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 23:45:48,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:45:48,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-25 23:45:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772489496] [2022-11-25 23:45:48,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:45:48,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:45:48,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:48,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:45:48,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:45:48,473 INFO L87 Difference]: Start difference. First operand 8533 states and 35104 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2022-11-25 23:45:50,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:50,747 INFO L93 Difference]: Finished difference Result 9581 states and 38984 transitions. [2022-11-25 23:45:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:45:50,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 21 [2022-11-25 23:45:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:50,799 INFO L225 Difference]: With dead ends: 9581 [2022-11-25 23:45:50,800 INFO L226 Difference]: Without dead ends: 9581 [2022-11-25 23:45:50,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:45:50,801 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 141 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:50,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 377 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 23:45:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9581 states. [2022-11-25 23:45:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9581 to 9216. [2022-11-25 23:45:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9206 states have (on average 4.111449054964154) internal successors, (37850), 9215 states have internal predecessors, (37850), 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) [2022-11-25 23:45:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 37850 transitions. [2022-11-25 23:45:51,147 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 37850 transitions. Word has length 21 [2022-11-25 23:45:51,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:51,148 INFO L495 AbstractCegarLoop]: Abstraction has 9216 states and 37850 transitions. [2022-11-25 23:45:51,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2022-11-25 23:45:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 37850 transitions. [2022-11-25 23:45:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 23:45:51,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:51,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:51,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:45:51,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 23:45:51,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:51,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:51,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1257675773, now seen corresponding path program 1 times [2022-11-25 23:45:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:51,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101847817] [2022-11-25 23:45:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:45:51,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:51,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101847817] [2022-11-25 23:45:51,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101847817] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:45:51,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606881890] [2022-11-25 23:45:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:51,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:45:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:45:51,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:45:51,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:45:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:52,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:45:52,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:45:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:45:52,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:45:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:45:52,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606881890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:45:52,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [722682848] [2022-11-25 23:45:52,421 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 23:45:52,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:45:52,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-25 23:45:52,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52144683] [2022-11-25 23:45:52,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:45:52,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:45:52,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:52,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:45:52,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:45:52,426 INFO L87 Difference]: Start difference. First operand 9216 states and 37850 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 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) [2022-11-25 23:45:53,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:53,843 INFO L93 Difference]: Finished difference Result 9281 states and 37616 transitions. [2022-11-25 23:45:53,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:45:53,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 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 21 [2022-11-25 23:45:53,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:53,904 INFO L225 Difference]: With dead ends: 9281 [2022-11-25 23:45:53,905 INFO L226 Difference]: Without dead ends: 9281 [2022-11-25 23:45:53,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:45:53,908 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 205 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:53,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 389 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:45:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9281 states. [2022-11-25 23:45:54,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9281 to 9209. [2022-11-25 23:45:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9209 states, 9199 states have (on average 4.072725296227851) internal successors, (37465), 9208 states have internal predecessors, (37465), 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) [2022-11-25 23:45:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9209 states to 9209 states and 37465 transitions. [2022-11-25 23:45:54,376 INFO L78 Accepts]: Start accepts. Automaton has 9209 states and 37465 transitions. Word has length 21 [2022-11-25 23:45:54,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:54,376 INFO L495 AbstractCegarLoop]: Abstraction has 9209 states and 37465 transitions. [2022-11-25 23:45:54,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 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) [2022-11-25 23:45:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 9209 states and 37465 transitions. [2022-11-25 23:45:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:45:54,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:54,385 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:54,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:45:54,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:45:54,593 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:54,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:54,594 INFO L85 PathProgramCache]: Analyzing trace with hash 616344804, now seen corresponding path program 2 times [2022-11-25 23:45:54,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:54,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181732835] [2022-11-25 23:45:54,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:54,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:45:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:45:57,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:45:57,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181732835] [2022-11-25 23:45:57,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181732835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:45:57,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:45:57,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 23:45:57,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330628883] [2022-11-25 23:45:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:45:57,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:45:57,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:45:57,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:45:57,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:45:57,133 INFO L87 Difference]: Start difference. First operand 9209 states and 37465 transitions. Second operand has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-11-25 23:45:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:45:59,309 INFO L93 Difference]: Finished difference Result 8837 states and 35947 transitions. [2022-11-25 23:45:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 23:45:59,310 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 24 [2022-11-25 23:45:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:45:59,350 INFO L225 Difference]: With dead ends: 8837 [2022-11-25 23:45:59,350 INFO L226 Difference]: Without dead ends: 8837 [2022-11-25 23:45:59,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-25 23:45:59,351 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 330 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:45:59,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 71 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:45:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8837 states. [2022-11-25 23:45:59,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8837 to 7349. [2022-11-25 23:45:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7349 states, 7343 states have (on average 4.043170366335286) internal successors, (29689), 7348 states have internal predecessors, (29689), 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) [2022-11-25 23:45:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7349 states to 7349 states and 29689 transitions. [2022-11-25 23:45:59,751 INFO L78 Accepts]: Start accepts. Automaton has 7349 states and 29689 transitions. Word has length 24 [2022-11-25 23:45:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:45:59,752 INFO L495 AbstractCegarLoop]: Abstraction has 7349 states and 29689 transitions. [2022-11-25 23:45:59,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-11-25 23:45:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 7349 states and 29689 transitions. [2022-11-25 23:45:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:45:59,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:45:59,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:45:59,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:45:59,763 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:45:59,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:45:59,764 INFO L85 PathProgramCache]: Analyzing trace with hash -123658433, now seen corresponding path program 2 times [2022-11-25 23:45:59,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:45:59,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297085695] [2022-11-25 23:45:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:45:59,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:45:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:46:01,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:01,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297085695] [2022-11-25 23:46:01,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297085695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:01,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:01,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 23:46:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082809934] [2022-11-25 23:46:01,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:01,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:46:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:46:01,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:46:01,186 INFO L87 Difference]: Start difference. First operand 7349 states and 29689 transitions. Second operand has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-11-25 23:46:03,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:03,355 INFO L93 Difference]: Finished difference Result 6914 states and 27832 transitions. [2022-11-25 23:46:03,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:46:03,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 24 [2022-11-25 23:46:03,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:03,395 INFO L225 Difference]: With dead ends: 6914 [2022-11-25 23:46:03,395 INFO L226 Difference]: Without dead ends: 6914 [2022-11-25 23:46:03,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-25 23:46:03,396 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 270 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:03,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 78 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 23:46:03,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6914 states. [2022-11-25 23:46:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 5174. [2022-11-25 23:46:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5174 states, 5171 states have (on average 3.945851866176755) internal successors, (20404), 5173 states have internal predecessors, (20404), 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) [2022-11-25 23:46:03,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5174 states to 5174 states and 20404 transitions. [2022-11-25 23:46:03,641 INFO L78 Accepts]: Start accepts. Automaton has 5174 states and 20404 transitions. Word has length 24 [2022-11-25 23:46:03,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:03,641 INFO L495 AbstractCegarLoop]: Abstraction has 5174 states and 20404 transitions. [2022-11-25 23:46:03,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-11-25 23:46:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 5174 states and 20404 transitions. [2022-11-25 23:46:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:46:03,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:03,650 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:03,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:46:03,651 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:46:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:03,651 INFO L85 PathProgramCache]: Analyzing trace with hash -20283781, now seen corresponding path program 1 times [2022-11-25 23:46:03,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:03,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263034441] [2022-11-25 23:46:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:46:04,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:04,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263034441] [2022-11-25 23:46:04,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263034441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:04,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:04,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:46:04,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409097584] [2022-11-25 23:46:04,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:04,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:46:04,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:04,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:46:04,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:46:04,406 INFO L87 Difference]: Start difference. First operand 5174 states and 20404 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 23:46:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:06,959 INFO L93 Difference]: Finished difference Result 6539 states and 25983 transitions. [2022-11-25 23:46:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:46:06,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 25 [2022-11-25 23:46:06,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:06,988 INFO L225 Difference]: With dead ends: 6539 [2022-11-25 23:46:06,988 INFO L226 Difference]: Without dead ends: 6539 [2022-11-25 23:46:06,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:46:06,989 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 58 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:06,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 78 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 23:46:07,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6539 states. [2022-11-25 23:46:07,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6539 to 5984. [2022-11-25 23:46:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5984 states, 5981 states have (on average 3.9730814245109514) internal successors, (23763), 5983 states have internal predecessors, (23763), 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) [2022-11-25 23:46:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5984 states to 5984 states and 23763 transitions. [2022-11-25 23:46:07,269 INFO L78 Accepts]: Start accepts. Automaton has 5984 states and 23763 transitions. Word has length 25 [2022-11-25 23:46:07,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:07,269 INFO L495 AbstractCegarLoop]: Abstraction has 5984 states and 23763 transitions. [2022-11-25 23:46:07,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 23:46:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5984 states and 23763 transitions. [2022-11-25 23:46:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:46:07,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:07,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:07,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:46:07,285 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:46:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:07,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1743085732, now seen corresponding path program 1 times [2022-11-25 23:46:07,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:07,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649556671] [2022-11-25 23:46:07,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:07,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:46:07,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:07,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649556671] [2022-11-25 23:46:07,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649556671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:07,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:07,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:46:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274689705] [2022-11-25 23:46:07,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:07,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:46:07,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:07,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:46:07,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:46:07,976 INFO L87 Difference]: Start difference. First operand 5984 states and 23763 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-11-25 23:46:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:09,529 INFO L93 Difference]: Finished difference Result 6024 states and 23876 transitions. [2022-11-25 23:46:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:46:09,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 28 [2022-11-25 23:46:09,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:09,563 INFO L225 Difference]: With dead ends: 6024 [2022-11-25 23:46:09,563 INFO L226 Difference]: Without dead ends: 4337 [2022-11-25 23:46:09,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:46:09,564 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:09,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 79 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:46:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2022-11-25 23:46:09,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4337. [2022-11-25 23:46:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4337 states, 4334 states have (on average 3.9891555145362254) internal successors, (17289), 4336 states have internal predecessors, (17289), 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) [2022-11-25 23:46:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 17289 transitions. [2022-11-25 23:46:09,749 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 17289 transitions. Word has length 28 [2022-11-25 23:46:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:09,749 INFO L495 AbstractCegarLoop]: Abstraction has 4337 states and 17289 transitions. [2022-11-25 23:46:09,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-11-25 23:46:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 17289 transitions. [2022-11-25 23:46:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:46:09,759 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:09,759 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:09,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:46:09,760 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:46:09,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1661069477, now seen corresponding path program 1 times [2022-11-25 23:46:09,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:09,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598217179] [2022-11-25 23:46:09,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:46:12,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:12,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598217179] [2022-11-25 23:46:12,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598217179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:12,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:12,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 23:46:12,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341297208] [2022-11-25 23:46:12,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:12,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:46:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:46:12,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:46:12,168 INFO L87 Difference]: Start difference. First operand 4337 states and 17289 transitions. Second operand has 11 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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) [2022-11-25 23:46:14,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:14,146 INFO L93 Difference]: Finished difference Result 4115 states and 16401 transitions. [2022-11-25 23:46:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:46:14,147 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 30 [2022-11-25 23:46:14,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:14,256 INFO L225 Difference]: With dead ends: 4115 [2022-11-25 23:46:14,256 INFO L226 Difference]: Without dead ends: 3819 [2022-11-25 23:46:14,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:46:14,257 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 231 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:14,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 89 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:46:14,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3819 states. [2022-11-25 23:46:14,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3819 to 3227. [2022-11-25 23:46:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 3226 states have (on average 3.982951022938624) internal successors, (12849), 3226 states have internal predecessors, (12849), 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) [2022-11-25 23:46:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 12849 transitions. [2022-11-25 23:46:14,339 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 12849 transitions. Word has length 30 [2022-11-25 23:46:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:14,340 INFO L495 AbstractCegarLoop]: Abstraction has 3227 states and 12849 transitions. [2022-11-25 23:46:14,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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) [2022-11-25 23:46:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 12849 transitions. [2022-11-25 23:46:14,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:46:14,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:14,348 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:14,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:46:14,348 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:46:14,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:14,350 INFO L85 PathProgramCache]: Analyzing trace with hash -118846972, now seen corresponding path program 1 times [2022-11-25 23:46:14,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:14,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664451389] [2022-11-25 23:46:14,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:14,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:46:14,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:14,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664451389] [2022-11-25 23:46:14,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664451389] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:46:14,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865875211] [2022-11-25 23:46:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:14,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:46:14,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:46:14,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:46:14,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:46:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:15,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:46:15,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:46:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:46:15,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:46:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:46:15,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865875211] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:46:15,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:46:15,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 12 [2022-11-25 23:46:15,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640508564] [2022-11-25 23:46:15,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:15,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:46:15,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:15,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:46:15,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:46:15,467 INFO L87 Difference]: Start difference. First operand 3227 states and 12849 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2022-11-25 23:46:15,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:15,913 INFO L93 Difference]: Finished difference Result 3453 states and 13745 transitions. [2022-11-25 23:46:15,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:46:15,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 34 [2022-11-25 23:46:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:15,929 INFO L225 Difference]: With dead ends: 3453 [2022-11-25 23:46:15,929 INFO L226 Difference]: Without dead ends: 3453 [2022-11-25 23:46:15,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-11-25 23:46:15,930 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 154 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:15,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 40 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:46:15,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2022-11-25 23:46:16,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3453. [2022-11-25 23:46:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3453 states, 3452 states have (on average 3.981749710312862) internal successors, (13745), 3452 states have internal predecessors, (13745), 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) [2022-11-25 23:46:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 13745 transitions. [2022-11-25 23:46:16,046 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 13745 transitions. Word has length 34 [2022-11-25 23:46:16,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:16,046 INFO L495 AbstractCegarLoop]: Abstraction has 3453 states and 13745 transitions. [2022-11-25 23:46:16,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2022-11-25 23:46:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 13745 transitions. [2022-11-25 23:46:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 23:46:16,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:16,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:16,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 23:46:16,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 23:46:16,267 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2022-11-25 23:46:16,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash -75241940, now seen corresponding path program 1 times [2022-11-25 23:46:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:16,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522915819] [2022-11-25 23:46:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:46:19,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:19,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522915819] [2022-11-25 23:46:19,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522915819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:19,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:19,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 23:46:19,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367670063] [2022-11-25 23:46:19,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:19,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:46:19,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:46:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:46:19,011 INFO L87 Difference]: Start difference. First operand 3453 states and 13745 transitions. Second operand has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2022-11-25 23:46:20,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:20,378 INFO L93 Difference]: Finished difference Result 3438 states and 13697 transitions. [2022-11-25 23:46:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:46:20,378 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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 47 [2022-11-25 23:46:20,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:20,379 INFO L225 Difference]: With dead ends: 3438 [2022-11-25 23:46:20,379 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:46:20,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-25 23:46:20,380 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 236 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:20,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 61 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:46:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:46:20,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:46:20,381 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) [2022-11-25 23:46:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:46:20,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2022-11-25 23:46:20,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:20,382 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:46:20,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2022-11-25 23:46:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:46:20,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:46:20,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (89 of 90 remaining) [2022-11-25 23:46:20,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (88 of 90 remaining) [2022-11-25 23:46:20,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (87 of 90 remaining) [2022-11-25 23:46:20,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (86 of 90 remaining) [2022-11-25 23:46:20,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (85 of 90 remaining) [2022-11-25 23:46:20,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 90 remaining) [2022-11-25 23:46:20,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 90 remaining) [2022-11-25 23:46:20,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 90 remaining) [2022-11-25 23:46:20,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 90 remaining) [2022-11-25 23:46:20,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 90 remaining) [2022-11-25 23:46:20,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 90 remaining) [2022-11-25 23:46:20,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (78 of 90 remaining) [2022-11-25 23:46:20,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 90 remaining) [2022-11-25 23:46:20,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 90 remaining) [2022-11-25 23:46:20,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 90 remaining) [2022-11-25 23:46:20,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (74 of 90 remaining) [2022-11-25 23:46:20,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (73 of 90 remaining) [2022-11-25 23:46:20,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (72 of 90 remaining) [2022-11-25 23:46:20,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (71 of 90 remaining) [2022-11-25 23:46:20,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (70 of 90 remaining) [2022-11-25 23:46:20,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (69 of 90 remaining) [2022-11-25 23:46:20,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (68 of 90 remaining) [2022-11-25 23:46:20,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (67 of 90 remaining) [2022-11-25 23:46:20,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (66 of 90 remaining) [2022-11-25 23:46:20,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (65 of 90 remaining) [2022-11-25 23:46:20,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (64 of 90 remaining) [2022-11-25 23:46:20,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (63 of 90 remaining) [2022-11-25 23:46:20,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (62 of 90 remaining) [2022-11-25 23:46:20,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (61 of 90 remaining) [2022-11-25 23:46:20,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (60 of 90 remaining) [2022-11-25 23:46:20,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (59 of 90 remaining) [2022-11-25 23:46:20,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (58 of 90 remaining) [2022-11-25 23:46:20,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (57 of 90 remaining) [2022-11-25 23:46:20,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (56 of 90 remaining) [2022-11-25 23:46:20,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (55 of 90 remaining) [2022-11-25 23:46:20,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (54 of 90 remaining) [2022-11-25 23:46:20,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (53 of 90 remaining) [2022-11-25 23:46:20,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (52 of 90 remaining) [2022-11-25 23:46:20,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (51 of 90 remaining) [2022-11-25 23:46:20,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (50 of 90 remaining) [2022-11-25 23:46:20,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (49 of 90 remaining) [2022-11-25 23:46:20,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (48 of 90 remaining) [2022-11-25 23:46:20,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (47 of 90 remaining) [2022-11-25 23:46:20,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (46 of 90 remaining) [2022-11-25 23:46:20,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (45 of 90 remaining) [2022-11-25 23:46:20,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (44 of 90 remaining) [2022-11-25 23:46:20,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (43 of 90 remaining) [2022-11-25 23:46:20,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (42 of 90 remaining) [2022-11-25 23:46:20,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (41 of 90 remaining) [2022-11-25 23:46:20,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (40 of 90 remaining) [2022-11-25 23:46:20,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (39 of 90 remaining) [2022-11-25 23:46:20,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (38 of 90 remaining) [2022-11-25 23:46:20,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (37 of 90 remaining) [2022-11-25 23:46:20,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (36 of 90 remaining) [2022-11-25 23:46:20,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (35 of 90 remaining) [2022-11-25 23:46:20,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (34 of 90 remaining) [2022-11-25 23:46:20,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (33 of 90 remaining) [2022-11-25 23:46:20,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (32 of 90 remaining) [2022-11-25 23:46:20,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 90 remaining) [2022-11-25 23:46:20,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 90 remaining) [2022-11-25 23:46:20,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 90 remaining) [2022-11-25 23:46:20,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 90 remaining) [2022-11-25 23:46:20,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 90 remaining) [2022-11-25 23:46:20,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 90 remaining) [2022-11-25 23:46:20,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 90 remaining) [2022-11-25 23:46:20,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 90 remaining) [2022-11-25 23:46:20,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 90 remaining) [2022-11-25 23:46:20,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 90 remaining) [2022-11-25 23:46:20,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 90 remaining) [2022-11-25 23:46:20,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 90 remaining) [2022-11-25 23:46:20,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 90 remaining) [2022-11-25 23:46:20,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 90 remaining) [2022-11-25 23:46:20,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (17 of 90 remaining) [2022-11-25 23:46:20,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 90 remaining) [2022-11-25 23:46:20,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 90 remaining) [2022-11-25 23:46:20,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 90 remaining) [2022-11-25 23:46:20,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 90 remaining) [2022-11-25 23:46:20,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 90 remaining) [2022-11-25 23:46:20,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 90 remaining) [2022-11-25 23:46:20,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 90 remaining) [2022-11-25 23:46:20,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 90 remaining) [2022-11-25 23:46:20,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 90 remaining) [2022-11-25 23:46:20,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 90 remaining) [2022-11-25 23:46:20,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 90 remaining) [2022-11-25 23:46:20,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 90 remaining) [2022-11-25 23:46:20,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 90 remaining) [2022-11-25 23:46:20,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 90 remaining) [2022-11-25 23:46:20,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 90 remaining) [2022-11-25 23:46:20,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 90 remaining) [2022-11-25 23:46:20,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 90 remaining) [2022-11-25 23:46:20,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:46:20,409 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:20,416 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 23:46:20,416 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:46:20,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:46:20 BasicIcfg [2022-11-25 23:46:20,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:46:20,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:46:20,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:46:20,421 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:46:20,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:42:31" (3/4) ... [2022-11-25 23:46:20,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:46:20,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 23:46:20,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 23:46:20,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-25 23:46:20,441 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-11-25 23:46:20,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 23:46:20,443 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:46:20,444 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:46:20,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:46:20,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:46:20,514 INFO L158 Benchmark]: Toolchain (without parser) took 231809.84ms. Allocated memory was 142.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 113.3MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 833.4MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,514 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:46:20,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.24ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 98.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.34ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 94.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,515 INFO L158 Benchmark]: Boogie Preprocessor took 115.88ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 91.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,516 INFO L158 Benchmark]: RCFGBuilder took 1826.50ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 78.2MB in the end (delta: 12.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,516 INFO L158 Benchmark]: TraceAbstraction took 229074.09ms. Allocated memory was 142.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 77.5MB in the beginning and 3.7GB in the end (delta: -3.7GB). Peak memory consumption was 789.9MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,517 INFO L158 Benchmark]: Witness Printer took 92.51ms. Allocated memory is still 4.6GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 23:46:20,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.24ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 98.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.34ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 94.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.88ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 91.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1826.50ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 78.2MB in the end (delta: 12.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 229074.09ms. Allocated memory was 142.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 77.5MB in the beginning and 3.7GB in the end (delta: -3.7GB). Peak memory consumption was 789.9MB. Max. memory is 16.1GB. * Witness Printer took 92.51ms. Allocated memory is still 4.6GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.1s, 511 PlacesBefore, 130 PlacesAfterwards, 528 TransitionsBefore, 132 TransitionsAfterwards, 13362 CoEnabledTransitionPairs, 15 FixpointIterations, 396 TrivialSequentialCompositions, 157 ConcurrentSequentialCompositions, 45 TrivialYvCompositions, 15 ConcurrentYvCompositions, 15 ChoiceCompositions, 628 TotalNumberOfCompositions, 94517 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54025, independent: 52409, independent conditional: 0, independent unconditional: 52409, dependent: 1484, dependent conditional: 0, dependent unconditional: 1484, unknown: 132, unknown conditional: 0, unknown unconditional: 132] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10995, independent: 10747, independent conditional: 0, independent unconditional: 10747, dependent: 216, dependent conditional: 0, dependent unconditional: 216, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10995, independent: 9348, independent conditional: 0, independent unconditional: 9348, dependent: 1647, dependent conditional: 0, dependent unconditional: 1647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1647, independent: 1399, independent conditional: 0, independent unconditional: 1399, dependent: 216, dependent conditional: 0, dependent unconditional: 216, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103562, independent: 4054, independent conditional: 0, independent unconditional: 4054, dependent: 14458, dependent conditional: 0, dependent unconditional: 14458, unknown: 85051, unknown conditional: 0, unknown unconditional: 85051] ], Cache Queries: [ total: 54025, independent: 41662, independent conditional: 0, independent unconditional: 41662, dependent: 1268, dependent conditional: 0, dependent unconditional: 1268, unknown: 11095, unknown conditional: 0, unknown unconditional: 11095] , Statistics on independence cache: Total cache size (in pairs): 2806, Positive cache size: 2722, Positive conditional cache size: 0, Positive unconditional cache size: 2722, Negative cache size: 84, Negative conditional cache size: 0, Negative unconditional cache size: 84, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4 - 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: 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 7 procedures, 622 locations, 90 error locations. Started 1 CEGAR loops. OverallTime: 228.6s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 181.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1975 SdHoareTripleChecker+Valid, 19.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1975 mSDsluCounter, 1694 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1072 mSDsCounter, 453 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3911 IncrementalHoareTripleChecker+Invalid, 4364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 453 mSolverCounterUnsat, 622 mSDtfsCounter, 3911 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 135 SyntacticMatches, 3 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52279occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 11802 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 2846 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1776 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 21 InterpolantComputations, 13 PerfectInterpolantSequences, 90/101 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 58 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 23:46:20,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2053f4-758a-45ec-8e7d-fa6b0b09101d/bin/utaipan-ByfvJB40ur/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