./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8 --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 b27d2c0de3bd785d7b0c7ad6e06bc0deeddc3f352acc333757e88f24286e9797 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:13:11,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:13:11,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:13:11,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:13:11,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:13:11,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:13:11,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:13:11,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:13:11,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:13:11,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:13:11,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:13:11,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:13:11,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:13:11,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:13:11,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:13:11,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:13:11,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:13:11,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:13:11,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:13:11,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:13:11,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:13:11,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:13:11,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:13:11,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:13:11,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:13:11,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:13:11,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:13:11,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:13:11,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:13:11,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:13:11,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:13:11,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:13:11,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:13:11,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:13:11,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:13:11,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:13:11,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:13:11,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:13:11,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:13:11,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:13:11,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:13:11,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:13:11,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:13:11,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:13:11,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:13:11,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:13:11,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:13:11,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:13:11,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:13:11,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:13:11,585 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:13:11,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:13:11,585 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:13:11,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:13:11,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:13:11,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:13:11,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:13:11,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:13:11,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:13:11,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:13:11,586 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:13:11,587 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:13:11,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:13:11,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:13:11,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:13:11,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:13:11,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:13:11,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:13:11,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:13:11,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:13:11,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:13:11,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:13:11,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:13:11,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:13:11,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:13:11,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:13:11,589 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:13:11,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:13:11,589 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:13:11,589 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_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b27d2c0de3bd785d7b0c7ad6e06bc0deeddc3f352acc333757e88f24286e9797 [2022-12-13 21:13:11,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:13:11,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:13:11,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:13:11,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:13:11,782 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:13:11,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2022-12-13 21:13:14,398 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:13:14,565 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:13:14,566 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2022-12-13 21:13:14,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/data/cb78e5e09/64d99b4981ab4a489ac07f964dc1b1bf/FLAGb6e386713 [2022-12-13 21:13:14,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/data/cb78e5e09/64d99b4981ab4a489ac07f964dc1b1bf [2022-12-13 21:13:14,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:13:14,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:13:14,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:13:14,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:13:14,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:13:14,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a8784a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14, skipping insertion in model container [2022-12-13 21:13:14,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:13:14,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:13:14,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,724 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_3c1aba72-b975-4b14-a055-f8a3e0842e70/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c[2332,2345] [2022-12-13 21:13:14,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:13:14,731 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:13:14,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:13:14,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:13:14,750 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_3c1aba72-b975-4b14-a055-f8a3e0842e70/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c[2332,2345] [2022-12-13 21:13:14,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:13:14,760 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:13:14,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14 WrapperNode [2022-12-13 21:13:14,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:13:14,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:13:14,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:13:14,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:13:14,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,787 INFO L138 Inliner]: procedures = 20, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2022-12-13 21:13:14,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:13:14,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:13:14,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:13:14,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:13:14,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:13:14,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:13:14,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:13:14,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:13:14,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (1/1) ... [2022-12-13 21:13:14,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:13:14,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:13:14,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:13:14,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:13:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:13:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:13:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:13:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:13:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:13:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:13:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:13:14,856 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 21:13:14,935 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:13:14,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:13:15,203 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:13:15,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:13:15,252 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:13:15,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:15 BoogieIcfgContainer [2022-12-13 21:13:15,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:13:15,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:13:15,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:13:15,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:13:15,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:13:14" (1/3) ... [2022-12-13 21:13:15,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e818cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:13:15, skipping insertion in model container [2022-12-13 21:13:15,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:14" (2/3) ... [2022-12-13 21:13:15,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e818cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:13:15, skipping insertion in model container [2022-12-13 21:13:15,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:15" (3/3) ... [2022-12-13 21:13:15,264 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2022-12-13 21:13:15,273 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:13:15,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:13:15,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-12-13 21:13:15,284 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:13:15,357 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 21:13:15,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 209 transitions, 434 flow [2022-12-13 21:13:15,478 INFO L130 PetriNetUnfolder]: 8/207 cut-off events. [2022-12-13 21:13:15,478 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:13:15,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 207 events. 8/207 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 311 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 129. Up to 2 conditions per place. [2022-12-13 21:13:15,484 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 209 transitions, 434 flow [2022-12-13 21:13:15,491 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 189 places, 189 transitions, 390 flow [2022-12-13 21:13:15,495 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:13:15,504 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 189 transitions, 390 flow [2022-12-13 21:13:15,507 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 189 transitions, 390 flow [2022-12-13 21:13:15,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 189 places, 189 transitions, 390 flow [2022-12-13 21:13:15,544 INFO L130 PetriNetUnfolder]: 7/189 cut-off events. [2022-12-13 21:13:15,545 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:13:15,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 7/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 308 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 129. Up to 2 conditions per place. [2022-12-13 21:13:15,552 INFO L119 LiptonReduction]: Number of co-enabled transitions 5616 [2022-12-13 21:13:19,392 INFO L134 LiptonReduction]: Checked pairs total: 14251 [2022-12-13 21:13:19,392 INFO L136 LiptonReduction]: Total number of compositions: 237 [2022-12-13 21:13:19,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:13:19,407 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;@e1a4e47, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:13:19,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-12-13 21:13:19,408 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:13:19,409 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:13:19,409 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:13:19,409 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:13:19,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-13 21:13:19,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:13:19,413 INFO L85 PathProgramCache]: Analyzing trace with hash 844, now seen corresponding path program 1 times [2022-12-13 21:13:19,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:13:19,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671990820] [2022-12-13 21:13:19,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:13:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:13:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:13:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:13:19,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:13:19,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671990820] [2022-12-13 21:13:19,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671990820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:13:19,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:13:19,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:13:19,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136281283] [2022-12-13 21:13:19,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:13:19,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:13:19,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:13:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:13:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:13:19,513 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 446 [2022-12-13 21:13:19,515 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 52 transitions, 116 flow. Second operand has 2 states, 2 states have (on average 188.5) internal successors, (377), 2 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,515 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:13:19,515 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 446 [2022-12-13 21:13:19,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:13:19,567 INFO L130 PetriNetUnfolder]: 65/133 cut-off events. [2022-12-13 21:13:19,567 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 21:13:19,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 133 events. 65/133 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 443 event pairs, 45 based on Foata normal form. 1/124 useless extension candidates. Maximal degree in co-relation 218. Up to 116 conditions per place. [2022-12-13 21:13:19,570 INFO L137 encePairwiseOnDemand]: 414/446 looper letters, 15 selfloop transitions, 0 changer transitions 1/20 dead transitions. [2022-12-13 21:13:19,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 20 transitions, 84 flow [2022-12-13 21:13:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:13:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:13:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 424 transitions. [2022-12-13 21:13:19,582 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47533632286995514 [2022-12-13 21:13:19,582 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 424 transitions. [2022-12-13 21:13:19,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 424 transitions. [2022-12-13 21:13:19,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:13:19,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 424 transitions. [2022-12-13 21:13:19,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 212.0) internal successors, (424), 2 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,592 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,593 INFO L175 Difference]: Start difference. First operand has 55 places, 52 transitions, 116 flow. Second operand 2 states and 424 transitions. [2022-12-13 21:13:19,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 20 transitions, 84 flow [2022-12-13 21:13:19,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 20 transitions, 76 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 21:13:19,597 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 41 flow [2022-12-13 21:13:19,598 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=41, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2022-12-13 21:13:19,601 INFO L288 CegarLoopForPetriNet]: 55 programPoint places, -33 predicate places. [2022-12-13 21:13:19,601 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 41 flow [2022-12-13 21:13:19,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 188.5) internal successors, (377), 2 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,601 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:13:19,601 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 21:13:19,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:13:19,602 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-13 21:13:19,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:13:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash 26361774, now seen corresponding path program 1 times [2022-12-13 21:13:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:13:19,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383012442] [2022-12-13 21:13:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:13:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:13:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:13:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:13:19,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:13:19,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383012442] [2022-12-13 21:13:19,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383012442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:13:19,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:13:19,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:13:19,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919139761] [2022-12-13 21:13:19,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:13:19,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:13:19,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:13:19,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:13:19,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:13:19,681 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 446 [2022-12-13 21:13:19,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:13:19,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 446 [2022-12-13 21:13:19,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:13:19,721 INFO L130 PetriNetUnfolder]: 101/176 cut-off events. [2022-12-13 21:13:19,721 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 21:13:19,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 176 events. 101/176 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 526 event pairs, 32 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 359. Up to 171 conditions per place. [2022-12-13 21:13:19,722 INFO L137 encePairwiseOnDemand]: 442/446 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2022-12-13 21:13:19,722 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 22 transitions, 92 flow [2022-12-13 21:13:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:13:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:13:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2022-12-13 21:13:19,725 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42376681614349776 [2022-12-13 21:13:19,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2022-12-13 21:13:19,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2022-12-13 21:13:19,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:13:19,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2022-12-13 21:13:19,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,729 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,729 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 41 flow. Second operand 3 states and 567 transitions. [2022-12-13 21:13:19,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 22 transitions, 92 flow [2022-12-13 21:13:19,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 22 transitions, 92 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:13:19,730 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2022-12-13 21:13:19,730 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2022-12-13 21:13:19,730 INFO L288 CegarLoopForPetriNet]: 55 programPoint places, -34 predicate places. [2022-12-13 21:13:19,731 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2022-12-13 21:13:19,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:13:19,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2022-12-13 21:13:19,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2022-12-13 21:13:19,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2022-12-13 21:13:19,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2022-12-13 21:13:19,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2022-12-13 21:13:19,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2022-12-13 21:13:19,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2022-12-13 21:13:19,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2022-12-13 21:13:19,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2022-12-13 21:13:19,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2022-12-13 21:13:19,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2022-12-13 21:13:19,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:13:19,739 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:13:19,743 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:13:19,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:13:19,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:13:19 BasicIcfg [2022-12-13 21:13:19,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:13:19,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:13:19,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:13:19,747 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:13:19,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:15" (3/4) ... [2022-12-13 21:13:19,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:13:19,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:13:19,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:13:19,756 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 21:13:19,756 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:13:19,756 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:13:19,756 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:13:19,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:13:19,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:13:19,786 INFO L158 Benchmark]: Toolchain (without parser) took 5203.83ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 101.0MB in the beginning and 75.1MB in the end (delta: 25.9MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,787 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:13:19,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.62ms. Allocated memory is still 130.0MB. Free memory was 100.6MB in the beginning and 88.5MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.55ms. Allocated memory is still 130.0MB. Free memory was 88.5MB in the beginning and 86.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,788 INFO L158 Benchmark]: Boogie Preprocessor took 19.42ms. Allocated memory is still 130.0MB. Free memory was 86.6MB in the beginning and 84.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,788 INFO L158 Benchmark]: RCFGBuilder took 447.57ms. Allocated memory is still 130.0MB. Free memory was 84.9MB in the beginning and 62.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,788 INFO L158 Benchmark]: TraceAbstraction took 4488.63ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 61.6MB in the beginning and 78.3MB in the end (delta: -16.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,789 INFO L158 Benchmark]: Witness Printer took 39.44ms. Allocated memory is still 159.4MB. Free memory was 78.3MB in the beginning and 75.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:13:19,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.62ms. Allocated memory is still 130.0MB. Free memory was 100.6MB in the beginning and 88.5MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.55ms. Allocated memory is still 130.0MB. Free memory was 88.5MB in the beginning and 86.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.42ms. Allocated memory is still 130.0MB. Free memory was 86.6MB in the beginning and 84.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.57ms. Allocated memory is still 130.0MB. Free memory was 84.9MB in the beginning and 62.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4488.63ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 61.6MB in the beginning and 78.3MB in the end (delta: -16.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 39.44ms. Allocated memory is still 159.4MB. Free memory was 78.3MB in the beginning and 75.1MB in the end (delta: 3.1MB). 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: 3.9s, 189 PlacesBefore, 55 PlacesAfterwards, 189 TransitionsBefore, 52 TransitionsAfterwards, 5616 CoEnabledTransitionPairs, 9 FixpointIterations, 109 TrivialSequentialCompositions, 109 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 237 TotalNumberOfCompositions, 14251 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7510, independent: 7143, independent conditional: 0, independent unconditional: 7143, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3268, independent: 3214, independent conditional: 0, independent unconditional: 3214, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7510, independent: 3929, independent conditional: 0, independent unconditional: 3929, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 3268, unknown conditional: 0, unknown unconditional: 3268] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 209, Positive conditional cache size: 0, Positive unconditional cache size: 209, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 280 locations, 54 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: 4.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 9 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:13:19,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1aba72-b975-4b14-a055-f8a3e0842e70/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE