./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --- 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 18:10:26,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:10:26,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:10:26,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:10:26,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:10:26,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:10:26,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:10:26,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:10:26,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:10:26,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:10:26,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:10:26,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:10:26,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:10:26,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:10:26,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:10:26,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:10:26,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:10:26,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:10:26,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:10:26,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:10:26,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:10:26,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:10:26,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:10:26,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:10:26,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:10:26,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:10:26,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:10:26,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:10:26,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:10:26,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:10:26,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:10:26,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:10:26,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:10:26,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:10:26,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:10:26,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:10:26,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:10:26,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:10:26,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:10:26,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:10:26,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:10:26,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:10:26,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:10:26,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:10:26,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:10:26,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:10:26,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:10:26,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:10:26,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:10:26,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:10:26,431 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:10:26,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:10:26,433 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:10:26,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:10:26,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:10:26,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:10:26,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:10:26,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:10:26,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:10:26,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:10:26,435 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:10:26,435 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:10:26,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:10:26,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:10:26,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:10:26,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:10:26,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:10:26,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:10:26,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:10:26,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:10:26,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:10:26,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:10:26,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:10:26,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:10:26,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:10:26,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:10:26,440 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:10:26,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:10:26,440 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 [2022-11-25 18:10:26,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:10:26,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:10:26,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:10:26,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:10:26,795 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:10:26,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2022-11-25 18:10:29,947 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:10:30,211 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:10:30,211 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2022-11-25 18:10:30,219 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/data/d4ad5ec8a/31ec5ce93a9344dfa548c32fab4dccb6/FLAG8a1b9f13c [2022-11-25 18:10:30,236 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/data/d4ad5ec8a/31ec5ce93a9344dfa548c32fab4dccb6 [2022-11-25 18:10:30,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:10:30,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:10:30,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:10:30,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:10:30,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:10:30,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7f98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30, skipping insertion in model container [2022-11-25 18:10:30,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:10:30,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:10:30,470 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:10:30,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:10:30,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:10:30,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:10:30,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:10:30,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:10:30,503 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_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2022-11-25 18:10:30,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:10:30,521 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:10:30,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:10:30,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:10:30,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:10:30,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:10:30,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:10:30,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:10:30,564 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_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2022-11-25 18:10:30,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:10:30,585 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:10:30,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30 WrapperNode [2022-11-25 18:10:30,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:10:30,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:10:30,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:10:30,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:10:30,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,668 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 437 [2022-11-25 18:10:30,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:10:30,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:10:30,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:10:30,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:10:30,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:10:30,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:10:30,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:10:30,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:10:30,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (1/1) ... [2022-11-25 18:10:30,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:10:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:10:30,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:10:30,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:10:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:10:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:10:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:10:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:10:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 18:10:30,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 18:10:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 18:10:30,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 18:10:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 18:10:30,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 18:10:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:10:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:10:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:10:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:10:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:10:30,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:10:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:10:30,871 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:10:31,115 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:10:31,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:10:32,099 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:10:32,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:10:32,335 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-25 18:10:32,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:10:32 BoogieIcfgContainer [2022-11-25 18:10:32,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:10:32,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:10:32,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:10:32,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:10:32,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:10:30" (1/3) ... [2022-11-25 18:10:32,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3598b0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:10:32, skipping insertion in model container [2022-11-25 18:10:32,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:30" (2/3) ... [2022-11-25 18:10:32,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3598b0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:10:32, skipping insertion in model container [2022-11-25 18:10:32,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:10:32" (3/3) ... [2022-11-25 18:10:32,357 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2022-11-25 18:10:32,369 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:10:32,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:10:32,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-11-25 18:10:32,382 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:10:32,549 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 18:10:32,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 412 places, 428 transitions, 880 flow [2022-11-25 18:10:32,771 INFO L130 PetriNetUnfolder]: 26/425 cut-off events. [2022-11-25 18:10:32,772 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 18:10:32,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 425 events. 26/425 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 803 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 313. Up to 2 conditions per place. [2022-11-25 18:10:32,787 INFO L82 GeneralOperation]: Start removeDead. Operand has 412 places, 428 transitions, 880 flow [2022-11-25 18:10:32,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 405 transitions, 828 flow [2022-11-25 18:10:32,810 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:10:32,838 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 405 transitions, 828 flow [2022-11-25 18:10:32,841 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 405 transitions, 828 flow [2022-11-25 18:10:32,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 390 places, 405 transitions, 828 flow [2022-11-25 18:10:32,957 INFO L130 PetriNetUnfolder]: 25/405 cut-off events. [2022-11-25 18:10:32,958 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 18:10:32,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 405 events. 25/405 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 800 event pairs, 0 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 313. Up to 2 conditions per place. [2022-11-25 18:10:32,978 INFO L119 LiptonReduction]: Number of co-enabled transitions 29394 [2022-11-25 18:10:58,769 INFO L134 LiptonReduction]: Checked pairs total: 145889 [2022-11-25 18:10:58,769 INFO L136 LiptonReduction]: Total number of compositions: 501 [2022-11-25 18:10:58,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:10:58,794 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=PETRI_NET, 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;@1e456d56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:10:58,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2022-11-25 18:10:58,796 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 18:10:58,796 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:10:58,797 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:10:58,797 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 18:10:58,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:10:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:58,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1934, now seen corresponding path program 1 times [2022-11-25 18:10:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:58,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702725541] [2022-11-25 18:10:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,926 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 18:10:58,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:58,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702725541] [2022-11-25 18:10:58,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702725541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:58,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:58,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 18:10:58,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930989548] [2022-11-25 18:10:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:58,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:10:58,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:58,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:10:58,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:10:58,969 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 929 [2022-11-25 18:10:58,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 138 transitions, 294 flow. Second operand has 2 states, 2 states have (on average 389.5) internal successors, (779), 2 states have internal predecessors, (779), 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 18:10:58,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:10:58,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 929 [2022-11-25 18:10:58,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:02,329 INFO L130 PetriNetUnfolder]: 10719/19259 cut-off events. [2022-11-25 18:11:02,330 INFO L131 PetriNetUnfolder]: For 431/431 co-relation queries the response was YES. [2022-11-25 18:11:02,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33866 conditions, 19259 events. 10719/19259 cut-off events. For 431/431 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 164041 event pairs, 8039 based on Foata normal form. 3007/18919 useless extension candidates. Maximal degree in co-relation 31108. Up to 14270 conditions per place. [2022-11-25 18:11:02,533 INFO L137 encePairwiseOnDemand]: 884/929 looper letters, 49 selfloop transitions, 0 changer transitions 1/93 dead transitions. [2022-11-25 18:11:02,534 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 93 transitions, 304 flow [2022-11-25 18:11:02,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:11:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 18:11:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 873 transitions. [2022-11-25 18:11:02,564 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4698600645855759 [2022-11-25 18:11:02,565 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 873 transitions. [2022-11-25 18:11:02,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 873 transitions. [2022-11-25 18:11:02,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:02,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 873 transitions. [2022-11-25 18:11:02,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 436.5) internal successors, (873), 2 states have internal predecessors, (873), 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 18:11:02,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 929.0) internal successors, (2787), 3 states have internal predecessors, (2787), 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 18:11:02,617 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 929.0) internal successors, (2787), 3 states have internal predecessors, (2787), 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 18:11:02,620 INFO L175 Difference]: Start difference. First operand has 134 places, 138 transitions, 294 flow. Second operand 2 states and 873 transitions. [2022-11-25 18:11:02,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 93 transitions, 304 flow [2022-11-25 18:11:02,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 93 transitions, 292 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-25 18:11:02,643 INFO L231 Difference]: Finished difference. Result has 90 places, 92 transitions, 189 flow [2022-11-25 18:11:02,647 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=189, PETRI_PLACES=90, PETRI_TRANSITIONS=92} [2022-11-25 18:11:02,652 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -44 predicate places. [2022-11-25 18:11:02,652 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 92 transitions, 189 flow [2022-11-25 18:11:02,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 389.5) internal successors, (779), 2 states have internal predecessors, (779), 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 18:11:02,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:02,660 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:02,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:11:02,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1051544449, now seen corresponding path program 1 times [2022-11-25 18:11:02,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:02,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980416572] [2022-11-25 18:11:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:03,098 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 18:11:03,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:03,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980416572] [2022-11-25 18:11:03,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980416572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:03,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:03,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:11:03,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350601666] [2022-11-25 18:11:03,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:03,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:11:03,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:03,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:11:03,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:11:03,265 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 929 [2022-11-25 18:11:03,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 92 transitions, 189 flow. Second operand has 4 states, 4 states have (on average 381.5) internal successors, (1526), 4 states have internal predecessors, (1526), 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 18:11:03,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:03,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 929 [2022-11-25 18:11:03,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:06,369 INFO L130 PetriNetUnfolder]: 10720/19261 cut-off events. [2022-11-25 18:11:06,369 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2022-11-25 18:11:06,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33646 conditions, 19261 events. 10720/19261 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 164026 event pairs, 8039 based on Foata normal form. 0/15913 useless extension candidates. Maximal degree in co-relation 33643. Up to 14269 conditions per place. [2022-11-25 18:11:06,534 INFO L137 encePairwiseOnDemand]: 925/929 looper letters, 48 selfloop transitions, 2 changer transitions 2/95 dead transitions. [2022-11-25 18:11:06,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 95 transitions, 299 flow [2022-11-25 18:11:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:11:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 18:11:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1569 transitions. [2022-11-25 18:11:06,542 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4222282023681378 [2022-11-25 18:11:06,543 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1569 transitions. [2022-11-25 18:11:06,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1569 transitions. [2022-11-25 18:11:06,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:06,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1569 transitions. [2022-11-25 18:11:06,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 392.25) internal successors, (1569), 4 states have internal predecessors, (1569), 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 18:11:06,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 929.0) internal successors, (4645), 5 states have internal predecessors, (4645), 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 18:11:06,566 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 929.0) internal successors, (4645), 5 states have internal predecessors, (4645), 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 18:11:06,566 INFO L175 Difference]: Start difference. First operand has 90 places, 92 transitions, 189 flow. Second operand 4 states and 1569 transitions. [2022-11-25 18:11:06,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 95 transitions, 299 flow [2022-11-25 18:11:06,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 95 transitions, 299 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:11:06,570 INFO L231 Difference]: Finished difference. Result has 94 places, 93 transitions, 203 flow [2022-11-25 18:11:06,570 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=94, PETRI_TRANSITIONS=93} [2022-11-25 18:11:06,571 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -40 predicate places. [2022-11-25 18:11:06,572 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 93 transitions, 203 flow [2022-11-25 18:11:06,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 381.5) internal successors, (1526), 4 states have internal predecessors, (1526), 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 18:11:06,573 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:06,573 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:06,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:11:06,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:06,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:06,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1023282159, now seen corresponding path program 1 times [2022-11-25 18:11:06,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:06,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863779997] [2022-11-25 18:11:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:07,252 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 18:11:07,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:07,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863779997] [2022-11-25 18:11:07,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863779997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:07,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:07,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:11:07,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849521750] [2022-11-25 18:11:07,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:07,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:07,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:07,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:07,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:11:07,681 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 929 [2022-11-25 18:11:07,684 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 93 transitions, 203 flow. Second operand has 5 states, 5 states have (on average 376.6) internal successors, (1883), 5 states have internal predecessors, (1883), 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 18:11:07,684 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:07,684 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 929 [2022-11-25 18:11:07,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:10,972 INFO L130 PetriNetUnfolder]: 17719/27439 cut-off events. [2022-11-25 18:11:10,973 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-25 18:11:11,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50831 conditions, 27439 events. 17719/27439 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 1058. Compared 210442 event pairs, 2072 based on Foata normal form. 1000/23652 useless extension candidates. Maximal degree in co-relation 50825. Up to 10053 conditions per place. [2022-11-25 18:11:11,213 INFO L137 encePairwiseOnDemand]: 925/929 looper letters, 142 selfloop transitions, 3 changer transitions 0/185 dead transitions. [2022-11-25 18:11:11,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 185 transitions, 677 flow [2022-11-25 18:11:11,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2015 transitions. [2022-11-25 18:11:11,221 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43379978471474706 [2022-11-25 18:11:11,221 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2015 transitions. [2022-11-25 18:11:11,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2015 transitions. [2022-11-25 18:11:11,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:11,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2015 transitions. [2022-11-25 18:11:11,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 403.0) internal successors, (2015), 5 states have internal predecessors, (2015), 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 18:11:11,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:11,243 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:11,243 INFO L175 Difference]: Start difference. First operand has 94 places, 93 transitions, 203 flow. Second operand 5 states and 2015 transitions. [2022-11-25 18:11:11,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 185 transitions, 677 flow [2022-11-25 18:11:11,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 185 transitions, 671 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-11-25 18:11:11,252 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 201 flow [2022-11-25 18:11:11,252 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=201, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2022-11-25 18:11:11,254 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -40 predicate places. [2022-11-25 18:11:11,254 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 201 flow [2022-11-25 18:11:11,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 376.6) internal successors, (1883), 5 states have internal predecessors, (1883), 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 18:11:11,256 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:11,256 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:11,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:11:11,257 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:11,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:11,257 INFO L85 PathProgramCache]: Analyzing trace with hash -630668097, now seen corresponding path program 1 times [2022-11-25 18:11:11,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:11,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229290349] [2022-11-25 18:11:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:11,588 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 18:11:11,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:11,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229290349] [2022-11-25 18:11:11,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229290349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:11,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:11,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:11:11,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326145464] [2022-11-25 18:11:11,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:11,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:11,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:11,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:11,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:11:12,049 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 929 [2022-11-25 18:11:12,052 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 201 flow. Second operand has 5 states, 5 states have (on average 371.4) internal successors, (1857), 5 states have internal predecessors, (1857), 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 18:11:12,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:12,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 929 [2022-11-25 18:11:12,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:14,131 INFO L130 PetriNetUnfolder]: 9420/15574 cut-off events. [2022-11-25 18:11:14,131 INFO L131 PetriNetUnfolder]: For 1498/1498 co-relation queries the response was YES. [2022-11-25 18:11:14,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30115 conditions, 15574 events. 9420/15574 cut-off events. For 1498/1498 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 117738 event pairs, 2838 based on Foata normal form. 444/13707 useless extension candidates. Maximal degree in co-relation 30110. Up to 6018 conditions per place. [2022-11-25 18:11:14,231 INFO L137 encePairwiseOnDemand]: 923/929 looper letters, 128 selfloop transitions, 4 changer transitions 0/168 dead transitions. [2022-11-25 18:11:14,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 168 transitions, 629 flow [2022-11-25 18:11:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1978 transitions. [2022-11-25 18:11:14,240 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42583423035522067 [2022-11-25 18:11:14,240 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1978 transitions. [2022-11-25 18:11:14,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1978 transitions. [2022-11-25 18:11:14,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:14,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1978 transitions. [2022-11-25 18:11:14,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 395.6) internal successors, (1978), 5 states have internal predecessors, (1978), 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 18:11:14,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:14,260 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:14,261 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 201 flow. Second operand 5 states and 1978 transitions. [2022-11-25 18:11:14,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 168 transitions, 629 flow [2022-11-25 18:11:14,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 168 transitions, 618 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 18:11:14,274 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 200 flow [2022-11-25 18:11:14,275 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=200, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2022-11-25 18:11:14,277 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -41 predicate places. [2022-11-25 18:11:14,277 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 200 flow [2022-11-25 18:11:14,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 371.4) internal successors, (1857), 5 states have internal predecessors, (1857), 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 18:11:14,278 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:14,278 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:14,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:11:14,279 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:14,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:14,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1610017894, now seen corresponding path program 1 times [2022-11-25 18:11:14,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:14,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30738906] [2022-11-25 18:11:14,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:14,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:11:14,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:14,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30738906] [2022-11-25 18:11:14,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30738906] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:11:14,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200734239] [2022-11-25 18:11:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:14,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:11:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:11:14,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:11:14,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:11:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:11:14,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:11:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:11:14,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:11:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:11:14,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200734239] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:11:14,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:11:14,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-25 18:11:14,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291212812] [2022-11-25 18:11:14,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:11:14,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:11:14,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:14,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:11:14,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:11:15,901 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 929 [2022-11-25 18:11:15,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 200 flow. Second operand has 13 states, 13 states have (on average 370.61538461538464) internal successors, (4818), 13 states have internal predecessors, (4818), 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 18:11:15,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:15,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 929 [2022-11-25 18:11:15,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:18,072 INFO L130 PetriNetUnfolder]: 7322/13669 cut-off events. [2022-11-25 18:11:18,073 INFO L131 PetriNetUnfolder]: For 436/476 co-relation queries the response was YES. [2022-11-25 18:11:18,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24316 conditions, 13669 events. 7322/13669 cut-off events. For 436/476 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 113933 event pairs, 4126 based on Foata normal form. 14/11640 useless extension candidates. Maximal degree in co-relation 24311. Up to 7095 conditions per place. [2022-11-25 18:11:18,172 INFO L137 encePairwiseOnDemand]: 922/929 looper letters, 128 selfloop transitions, 7 changer transitions 0/177 dead transitions. [2022-11-25 18:11:18,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 177 transitions, 663 flow [2022-11-25 18:11:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:11:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-25 18:11:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 3088 transitions. [2022-11-25 18:11:18,185 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4155005382131324 [2022-11-25 18:11:18,185 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 3088 transitions. [2022-11-25 18:11:18,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 3088 transitions. [2022-11-25 18:11:18,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:18,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 3088 transitions. [2022-11-25 18:11:18,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 386.0) internal successors, (3088), 8 states have internal predecessors, (3088), 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 18:11:18,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 929.0) internal successors, (8361), 9 states have internal predecessors, (8361), 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 18:11:18,212 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 929.0) internal successors, (8361), 9 states have internal predecessors, (8361), 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 18:11:18,213 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 200 flow. Second operand 8 states and 3088 transitions. [2022-11-25 18:11:18,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 177 transitions, 663 flow [2022-11-25 18:11:18,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 177 transitions, 649 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 18:11:18,221 INFO L231 Difference]: Finished difference. Result has 101 places, 95 transitions, 243 flow [2022-11-25 18:11:18,222 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=243, PETRI_PLACES=101, PETRI_TRANSITIONS=95} [2022-11-25 18:11:18,223 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -33 predicate places. [2022-11-25 18:11:18,223 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 95 transitions, 243 flow [2022-11-25 18:11:18,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 370.61538461538464) internal successors, (4818), 13 states have internal predecessors, (4818), 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 18:11:18,226 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:18,226 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:18,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:11:18,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:11:18,431 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash 675104298, now seen corresponding path program 2 times [2022-11-25 18:11:18,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:18,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851894178] [2022-11-25 18:11:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:18,807 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 18:11:18,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:18,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851894178] [2022-11-25 18:11:18,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851894178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:18,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:18,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:11:18,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067680722] [2022-11-25 18:11:18,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:18,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:18,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:18,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:11:19,346 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 929 [2022-11-25 18:11:19,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 95 transitions, 243 flow. Second operand has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 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 18:11:19,348 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:19,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 929 [2022-11-25 18:11:19,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:21,391 INFO L130 PetriNetUnfolder]: 9542/16535 cut-off events. [2022-11-25 18:11:21,392 INFO L131 PetriNetUnfolder]: For 1625/1625 co-relation queries the response was YES. [2022-11-25 18:11:21,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31438 conditions, 16535 events. 9542/16535 cut-off events. For 1625/1625 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 132004 event pairs, 3278 based on Foata normal form. 412/14708 useless extension candidates. Maximal degree in co-relation 31429. Up to 6087 conditions per place. [2022-11-25 18:11:21,503 INFO L137 encePairwiseOnDemand]: 923/929 looper letters, 128 selfloop transitions, 4 changer transitions 0/168 dead transitions. [2022-11-25 18:11:21,503 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 168 transitions, 659 flow [2022-11-25 18:11:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1973 transitions. [2022-11-25 18:11:21,511 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4247578040904198 [2022-11-25 18:11:21,511 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1973 transitions. [2022-11-25 18:11:21,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1973 transitions. [2022-11-25 18:11:21,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:21,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1973 transitions. [2022-11-25 18:11:21,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 394.6) internal successors, (1973), 5 states have internal predecessors, (1973), 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 18:11:21,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:21,531 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:21,531 INFO L175 Difference]: Start difference. First operand has 101 places, 95 transitions, 243 flow. Second operand 5 states and 1973 transitions. [2022-11-25 18:11:21,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 168 transitions, 659 flow [2022-11-25 18:11:21,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 168 transitions, 651 flow, removed 3 selfloop flow, removed 1 redundant places. [2022-11-25 18:11:21,537 INFO L231 Difference]: Finished difference. Result has 102 places, 93 transitions, 239 flow [2022-11-25 18:11:21,538 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=239, PETRI_PLACES=102, PETRI_TRANSITIONS=93} [2022-11-25 18:11:21,538 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -32 predicate places. [2022-11-25 18:11:21,539 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 93 transitions, 239 flow [2022-11-25 18:11:21,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 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 18:11:21,540 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:21,540 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:21,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:11:21,541 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:21,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:21,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1236174107, now seen corresponding path program 1 times [2022-11-25 18:11:21,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:21,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589782023] [2022-11-25 18:11:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:21,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:21,804 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 18:11:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:21,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589782023] [2022-11-25 18:11:21,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589782023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:21,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:21,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:11:21,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111425227] [2022-11-25 18:11:21,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:21,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:21,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:21,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:21,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:11:22,377 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 929 [2022-11-25 18:11:22,379 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 93 transitions, 239 flow. Second operand has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 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 18:11:22,379 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:22,379 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 929 [2022-11-25 18:11:22,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:24,014 INFO L130 PetriNetUnfolder]: 6904/11971 cut-off events. [2022-11-25 18:11:24,014 INFO L131 PetriNetUnfolder]: For 1607/1840 co-relation queries the response was YES. [2022-11-25 18:11:24,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23756 conditions, 11971 events. 6904/11971 cut-off events. For 1607/1840 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 91980 event pairs, 1726 based on Foata normal form. 625/11223 useless extension candidates. Maximal degree in co-relation 23746. Up to 4522 conditions per place. [2022-11-25 18:11:24,086 INFO L137 encePairwiseOnDemand]: 923/929 looper letters, 119 selfloop transitions, 4 changer transitions 0/163 dead transitions. [2022-11-25 18:11:24,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 163 transitions, 658 flow [2022-11-25 18:11:24,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1962 transitions. [2022-11-25 18:11:24,094 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4223896663078579 [2022-11-25 18:11:24,094 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1962 transitions. [2022-11-25 18:11:24,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1962 transitions. [2022-11-25 18:11:24,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:24,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1962 transitions. [2022-11-25 18:11:24,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 392.4) internal successors, (1962), 5 states have internal predecessors, (1962), 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 18:11:24,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:24,112 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:24,113 INFO L175 Difference]: Start difference. First operand has 102 places, 93 transitions, 239 flow. Second operand 5 states and 1962 transitions. [2022-11-25 18:11:24,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 163 transitions, 658 flow [2022-11-25 18:11:24,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 163 transitions, 644 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 18:11:24,123 INFO L231 Difference]: Finished difference. Result has 100 places, 91 transitions, 235 flow [2022-11-25 18:11:24,124 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=235, PETRI_PLACES=100, PETRI_TRANSITIONS=91} [2022-11-25 18:11:24,124 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -34 predicate places. [2022-11-25 18:11:24,125 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 235 flow [2022-11-25 18:11:24,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 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 18:11:24,126 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:24,126 INFO L209 CegarLoopForPetriNet]: trace histogram [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 18:11:24,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:11:24,126 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:24,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1877119643, now seen corresponding path program 1 times [2022-11-25 18:11:24,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:24,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421126819] [2022-11-25 18:11:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:24,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:11:24,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:24,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421126819] [2022-11-25 18:11:24,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421126819] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:11:24,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045144616] [2022-11-25 18:11:24,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:24,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:11:24,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:11:24,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:11:24,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:11:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:24,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:11:24,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:11:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:11:24,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:11:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:11:24,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045144616] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:11:24,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:11:24,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-11-25 18:11:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337466336] [2022-11-25 18:11:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:24,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:11:24,745 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 929 [2022-11-25 18:11:24,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 235 flow. Second operand has 5 states, 5 states have (on average 374.0) internal successors, (1870), 5 states have internal predecessors, (1870), 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 18:11:24,748 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:24,748 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 929 [2022-11-25 18:11:24,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:26,102 INFO L130 PetriNetUnfolder]: 5106/10372 cut-off events. [2022-11-25 18:11:26,102 INFO L131 PetriNetUnfolder]: For 1377/1552 co-relation queries the response was YES. [2022-11-25 18:11:26,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19543 conditions, 10372 events. 5106/10372 cut-off events. For 1377/1552 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 83739 event pairs, 2548 based on Foata normal form. 175/9486 useless extension candidates. Maximal degree in co-relation 19533. Up to 4362 conditions per place. [2022-11-25 18:11:26,178 INFO L137 encePairwiseOnDemand]: 923/929 looper letters, 67 selfloop transitions, 5 changer transitions 0/115 dead transitions. [2022-11-25 18:11:26,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 115 transitions, 440 flow [2022-11-25 18:11:26,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1923 transitions. [2022-11-25 18:11:26,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4139935414424112 [2022-11-25 18:11:26,186 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1923 transitions. [2022-11-25 18:11:26,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1923 transitions. [2022-11-25 18:11:26,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:26,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1923 transitions. [2022-11-25 18:11:26,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 384.6) internal successors, (1923), 5 states have internal predecessors, (1923), 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 18:11:26,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:26,205 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:26,205 INFO L175 Difference]: Start difference. First operand has 100 places, 91 transitions, 235 flow. Second operand 5 states and 1923 transitions. [2022-11-25 18:11:26,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 115 transitions, 440 flow [2022-11-25 18:11:26,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 115 transitions, 428 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 18:11:26,219 INFO L231 Difference]: Finished difference. Result has 102 places, 92 transitions, 250 flow [2022-11-25 18:11:26,220 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=250, PETRI_PLACES=102, PETRI_TRANSITIONS=92} [2022-11-25 18:11:26,220 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -32 predicate places. [2022-11-25 18:11:26,221 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 92 transitions, 250 flow [2022-11-25 18:11:26,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 374.0) internal successors, (1870), 5 states have internal predecessors, (1870), 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 18:11:26,222 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:26,227 INFO L209 CegarLoopForPetriNet]: trace histogram [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] [2022-11-25 18:11:26,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:11:26,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 18:11:26,434 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:26,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:26,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1009730308, now seen corresponding path program 1 times [2022-11-25 18:11:26,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:26,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910296560] [2022-11-25 18:11:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:26,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,903 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 18:11:26,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:26,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910296560] [2022-11-25 18:11:26,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910296560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:26,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:26,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:11:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391376876] [2022-11-25 18:11:26,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:26,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:26,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:26,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:11:27,344 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 929 [2022-11-25 18:11:27,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 92 transitions, 250 flow. Second operand has 5 states, 5 states have (on average 378.4) internal successors, (1892), 5 states have internal predecessors, (1892), 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 18:11:27,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:27,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 929 [2022-11-25 18:11:27,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:28,677 INFO L130 PetriNetUnfolder]: 4983/9790 cut-off events. [2022-11-25 18:11:28,677 INFO L131 PetriNetUnfolder]: For 2432/2962 co-relation queries the response was YES. [2022-11-25 18:11:28,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19298 conditions, 9790 events. 4983/9790 cut-off events. For 2432/2962 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 77445 event pairs, 3052 based on Foata normal form. 610/9487 useless extension candidates. Maximal degree in co-relation 19286. Up to 5775 conditions per place. [2022-11-25 18:11:28,743 INFO L137 encePairwiseOnDemand]: 925/929 looper letters, 101 selfloop transitions, 3 changer transitions 0/145 dead transitions. [2022-11-25 18:11:28,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 145 transitions, 585 flow [2022-11-25 18:11:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1966 transitions. [2022-11-25 18:11:28,751 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4232508073196986 [2022-11-25 18:11:28,751 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1966 transitions. [2022-11-25 18:11:28,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1966 transitions. [2022-11-25 18:11:28,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:28,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1966 transitions. [2022-11-25 18:11:28,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 393.2) internal successors, (1966), 5 states have internal predecessors, (1966), 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 18:11:28,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:28,762 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:28,763 INFO L175 Difference]: Start difference. First operand has 102 places, 92 transitions, 250 flow. Second operand 5 states and 1966 transitions. [2022-11-25 18:11:28,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 145 transitions, 585 flow [2022-11-25 18:11:28,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 145 transitions, 579 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 18:11:28,782 INFO L231 Difference]: Finished difference. Result has 102 places, 91 transitions, 248 flow [2022-11-25 18:11:28,783 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=248, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2022-11-25 18:11:28,784 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -32 predicate places. [2022-11-25 18:11:28,784 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 248 flow [2022-11-25 18:11:28,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 378.4) internal successors, (1892), 5 states have internal predecessors, (1892), 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 18:11:28,785 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:11:28,785 INFO L209 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:28,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:11:28,786 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-11-25 18:11:28,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1156845210, now seen corresponding path program 1 times [2022-11-25 18:11:28,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:28,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143264187] [2022-11-25 18:11:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:28,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:29,198 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 18:11:29,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:29,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143264187] [2022-11-25 18:11:29,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143264187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:29,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:29,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:11:29,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035099388] [2022-11-25 18:11:29,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:29,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:11:29,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:29,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:11:29,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:11:29,615 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 929 [2022-11-25 18:11:29,617 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 248 flow. Second operand has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 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 18:11:29,618 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:11:29,618 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 929 [2022-11-25 18:11:29,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:11:30,855 INFO L130 PetriNetUnfolder]: 4485/9276 cut-off events. [2022-11-25 18:11:30,855 INFO L131 PetriNetUnfolder]: For 1960/2466 co-relation queries the response was YES. [2022-11-25 18:11:30,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17963 conditions, 9276 events. 4485/9276 cut-off events. For 1960/2466 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 75268 event pairs, 3200 based on Foata normal form. 522/8961 useless extension candidates. Maximal degree in co-relation 17951. Up to 6067 conditions per place. [2022-11-25 18:11:30,898 INFO L137 encePairwiseOnDemand]: 925/929 looper letters, 0 selfloop transitions, 0 changer transitions 117/117 dead transitions. [2022-11-25 18:11:30,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 117 transitions, 452 flow [2022-11-25 18:11:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:11:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:11:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1941 transitions. [2022-11-25 18:11:30,904 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41786867599569427 [2022-11-25 18:11:30,905 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1941 transitions. [2022-11-25 18:11:30,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1941 transitions. [2022-11-25 18:11:30,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:11:30,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1941 transitions. [2022-11-25 18:11:30,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 388.2) internal successors, (1941), 5 states have internal predecessors, (1941), 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 18:11:30,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:30,917 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 929.0) internal successors, (5574), 6 states have internal predecessors, (5574), 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 18:11:30,918 INFO L175 Difference]: Start difference. First operand has 102 places, 91 transitions, 248 flow. Second operand 5 states and 1941 transitions. [2022-11-25 18:11:30,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 117 transitions, 452 flow [2022-11-25 18:11:30,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 117 transitions, 447 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 18:11:30,936 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2022-11-25 18:11:30,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=929, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2022-11-25 18:11:30,938 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -32 predicate places. [2022-11-25 18:11:30,938 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2022-11-25 18:11:30,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 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 18:11:30,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (81 of 82 remaining) [2022-11-25 18:11:30,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (80 of 82 remaining) [2022-11-25 18:11:30,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (79 of 82 remaining) [2022-11-25 18:11:30,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 82 remaining) [2022-11-25 18:11:30,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 82 remaining) [2022-11-25 18:11:30,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 82 remaining) [2022-11-25 18:11:30,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 82 remaining) [2022-11-25 18:11:30,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 82 remaining) [2022-11-25 18:11:30,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 82 remaining) [2022-11-25 18:11:30,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 82 remaining) [2022-11-25 18:11:30,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 82 remaining) [2022-11-25 18:11:30,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 82 remaining) [2022-11-25 18:11:30,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 82 remaining) [2022-11-25 18:11:30,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 82 remaining) [2022-11-25 18:11:30,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 82 remaining) [2022-11-25 18:11:30,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (66 of 82 remaining) [2022-11-25 18:11:30,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (65 of 82 remaining) [2022-11-25 18:11:30,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 82 remaining) [2022-11-25 18:11:30,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 82 remaining) [2022-11-25 18:11:30,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (62 of 82 remaining) [2022-11-25 18:11:30,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 82 remaining) [2022-11-25 18:11:30,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 82 remaining) [2022-11-25 18:11:30,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 82 remaining) [2022-11-25 18:11:30,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 82 remaining) [2022-11-25 18:11:30,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 82 remaining) [2022-11-25 18:11:30,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 82 remaining) [2022-11-25 18:11:30,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 82 remaining) [2022-11-25 18:11:30,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 82 remaining) [2022-11-25 18:11:30,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 82 remaining) [2022-11-25 18:11:30,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (52 of 82 remaining) [2022-11-25 18:11:30,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (51 of 82 remaining) [2022-11-25 18:11:30,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 82 remaining) [2022-11-25 18:11:30,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 82 remaining) [2022-11-25 18:11:30,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 82 remaining) [2022-11-25 18:11:30,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 82 remaining) [2022-11-25 18:11:30,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 82 remaining) [2022-11-25 18:11:30,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 82 remaining) [2022-11-25 18:11:30,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 82 remaining) [2022-11-25 18:11:30,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (43 of 82 remaining) [2022-11-25 18:11:30,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 82 remaining) [2022-11-25 18:11:30,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 82 remaining) [2022-11-25 18:11:30,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 82 remaining) [2022-11-25 18:11:30,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 82 remaining) [2022-11-25 18:11:30,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 82 remaining) [2022-11-25 18:11:30,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 82 remaining) [2022-11-25 18:11:30,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 82 remaining) [2022-11-25 18:11:30,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 82 remaining) [2022-11-25 18:11:30,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (34 of 82 remaining) [2022-11-25 18:11:30,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 82 remaining) [2022-11-25 18:11:30,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 82 remaining) [2022-11-25 18:11:30,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 82 remaining) [2022-11-25 18:11:30,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 82 remaining) [2022-11-25 18:11:30,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 82 remaining) [2022-11-25 18:11:30,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 82 remaining) [2022-11-25 18:11:30,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 82 remaining) [2022-11-25 18:11:30,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 82 remaining) [2022-11-25 18:11:30,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 82 remaining) [2022-11-25 18:11:30,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 82 remaining) [2022-11-25 18:11:30,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 82 remaining) [2022-11-25 18:11:30,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 82 remaining) [2022-11-25 18:11:30,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 82 remaining) [2022-11-25 18:11:30,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 82 remaining) [2022-11-25 18:11:30,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 82 remaining) [2022-11-25 18:11:30,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 82 remaining) [2022-11-25 18:11:30,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 82 remaining) [2022-11-25 18:11:30,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 82 remaining) [2022-11-25 18:11:30,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 82 remaining) [2022-11-25 18:11:30,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 82 remaining) [2022-11-25 18:11:30,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 82 remaining) [2022-11-25 18:11:30,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 82 remaining) [2022-11-25 18:11:30,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 82 remaining) [2022-11-25 18:11:30,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 82 remaining) [2022-11-25 18:11:30,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 82 remaining) [2022-11-25 18:11:30,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 82 remaining) [2022-11-25 18:11:30,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 82 remaining) [2022-11-25 18:11:30,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 82 remaining) [2022-11-25 18:11:30,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 82 remaining) [2022-11-25 18:11:30,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 82 remaining) [2022-11-25 18:11:30,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 82 remaining) [2022-11-25 18:11:30,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 82 remaining) [2022-11-25 18:11:30,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 82 remaining) [2022-11-25 18:11:30,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 82 remaining) [2022-11-25 18:11:30,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:11:30,966 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:30,973 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:11:30,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:11:30,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:11:30 BasicIcfg [2022-11-25 18:11:30,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:11:30,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:11:30,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:11:30,980 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:11:30,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:10:32" (3/4) ... [2022-11-25 18:11:30,984 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:11:30,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 18:11:30,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 18:11:30,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-25 18:11:31,000 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-25 18:11:31,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 18:11:31,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:11:31,002 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:11:31,083 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:11:31,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:11:31,084 INFO L158 Benchmark]: Toolchain (without parser) took 60843.91ms. Allocated memory was 146.8MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 111.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-25 18:11:31,085 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 95.0MB in the end (delta: 351.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:11:31,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.19ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 97.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:11:31,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.39ms. Allocated memory is still 146.8MB. Free memory was 96.6MB in the beginning and 92.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:11:31,086 INFO L158 Benchmark]: Boogie Preprocessor took 61.53ms. Allocated memory is still 146.8MB. Free memory was 92.8MB in the beginning and 89.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:11:31,087 INFO L158 Benchmark]: RCFGBuilder took 1608.19ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 89.3MB in the beginning and 128.3MB in the end (delta: -39.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-25 18:11:31,088 INFO L158 Benchmark]: TraceAbstraction took 58634.61ms. Allocated memory was 190.8MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 127.2MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-25 18:11:31,088 INFO L158 Benchmark]: Witness Printer took 104.49ms. Allocated memory is still 4.0GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:11:31,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 95.0MB in the end (delta: 351.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.19ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 97.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.39ms. Allocated memory is still 146.8MB. Free memory was 96.6MB in the beginning and 92.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.53ms. Allocated memory is still 146.8MB. Free memory was 92.8MB in the beginning and 89.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1608.19ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 89.3MB in the beginning and 128.3MB in the end (delta: -39.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 58634.61ms. Allocated memory was 190.8MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 127.2MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 104.49ms. Allocated memory is still 4.0GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.9s, 390 PlacesBefore, 134 PlacesAfterwards, 405 TransitionsBefore, 138 TransitionsAfterwards, 29394 CoEnabledTransitionPairs, 9 FixpointIterations, 200 TrivialSequentialCompositions, 233 ConcurrentSequentialCompositions, 28 TrivialYvCompositions, 29 ConcurrentYvCompositions, 11 ChoiceCompositions, 501 TotalNumberOfCompositions, 145889 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53029, independent: 51651, independent conditional: 0, independent unconditional: 51651, dependent: 1378, dependent conditional: 0, dependent unconditional: 1378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25415, independent: 25136, independent conditional: 0, independent unconditional: 25136, dependent: 279, dependent conditional: 0, dependent unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25415, independent: 21777, independent conditional: 0, independent unconditional: 21777, dependent: 3638, dependent conditional: 0, dependent unconditional: 3638, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3638, independent: 3359, independent conditional: 0, independent unconditional: 3359, dependent: 279, dependent conditional: 0, dependent unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6536, independent: 5560, independent conditional: 0, independent unconditional: 5560, dependent: 977, dependent conditional: 0, dependent unconditional: 977, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53029, independent: 26515, independent conditional: 0, independent unconditional: 26515, dependent: 1099, dependent conditional: 0, dependent unconditional: 1099, unknown: 25415, unknown conditional: 0, unknown unconditional: 25415] , Statistics on independence cache: Total cache size (in pairs): 3371, Positive cache size: 3248, Positive conditional cache size: 0, Positive unconditional cache size: 3248, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 50]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 96]: 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: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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, 571 locations, 82 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 58.4s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 26.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2879 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1840 mSDsluCounter, 830 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 749 mSDsCounter, 853 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5565 IncrementalHoareTripleChecker+Invalid, 6418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 853 mSolverCounterUnsat, 81 mSDtfsCounter, 5565 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 780 SizeOfPredicates, 9 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 13/18 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 18:11:31,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4710d4-0b2a-40dd-8222-bb7853bd8c11/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE