./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/lazy01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/lazy01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:36:56,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:36:56,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:36:56,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:36:56,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:36:56,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:36:56,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:36:56,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:36:56,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:36:56,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:36:56,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:36:56,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:36:56,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:36:56,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:36:56,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:36:56,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:36:56,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:36:56,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:36:56,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:36:56,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:36:56,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:36:56,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:36:56,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:36:56,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:36:56,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:36:56,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:36:56,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:36:56,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:36:56,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:36:56,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:36:56,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:36:56,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:36:56,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:36:56,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:36:56,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:36:56,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:36:56,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:36:56,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:36:56,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:36:56,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:36:56,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:36:56,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 20:36:56,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:36:56,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:36:56,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:36:56,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:36:56,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:36:56,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:36:56,646 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:36:56,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:36:56,646 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:36:56,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:36:56,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:36:56,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:36:56,648 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:36:56,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:36:56,648 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:36:56,649 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:36:56,649 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:36:56,649 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:36:56,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:36:56,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:36:56,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:36:56,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:36:56,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:36:56,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:36:56,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:36:56,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:36:56,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:36:56,652 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 20:36:56,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:36:56,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:36:56,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:36:56,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:36:56,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:36:56,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:36:56,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:36:56,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:36:56,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:36:56,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:36:56,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:36:56,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:36:56,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:36:56,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:36:56,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:36:56,655 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 [2021-11-25 20:36:56,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:36:56,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:36:56,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:36:56,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:36:56,988 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:36:56,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread/lazy01.i [2021-11-25 20:36:57,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/data/1a94289ce/d70612422835482c9cdddab56bd3eddb/FLAG385e702cb [2021-11-25 20:36:57,570 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:36:57,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/sv-benchmarks/c/pthread/lazy01.i [2021-11-25 20:36:57,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/data/1a94289ce/d70612422835482c9cdddab56bd3eddb/FLAG385e702cb [2021-11-25 20:36:57,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/data/1a94289ce/d70612422835482c9cdddab56bd3eddb [2021-11-25 20:36:57,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:36:57,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:36:57,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:36:57,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:36:57,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:36:57,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:36:57" (1/1) ... [2021-11-25 20:36:57,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369a82c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:57, skipping insertion in model container [2021-11-25 20:36:57,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:36:57" (1/1) ... [2021-11-25 20:36:57,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:36:57,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:36:58,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/sv-benchmarks/c/pthread/lazy01.i[31042,31055] [2021-11-25 20:36:58,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:36:58,365 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:36:58,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/sv-benchmarks/c/pthread/lazy01.i[31042,31055] [2021-11-25 20:36:58,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:36:58,490 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:36:58,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58 WrapperNode [2021-11-25 20:36:58,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:36:58,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:36:58,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:36:58,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:36:58,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,550 INFO L137 Inliner]: procedures = 169, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2021-11-25 20:36:58,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:36:58,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:36:58,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:36:58,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:36:58,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:36:58,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:36:58,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:36:58,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:36:58,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (1/1) ... [2021-11-25 20:36:58,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:36:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:58,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:36:58,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:36:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:36:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-25 20:36:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-25 20:36:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-25 20:36:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-25 20:36:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-25 20:36:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-25 20:36:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:36:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 20:36:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:36:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:36:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:36:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:36:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:36:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:36:58,701 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 20:36:58,871 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:36:58,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:36:59,127 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:36:59,136 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:36:59,136 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:36:59,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:36:59 BoogieIcfgContainer [2021-11-25 20:36:59,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:36:59,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:36:59,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:36:59,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:36:59,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:36:57" (1/3) ... [2021-11-25 20:36:59,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aedda23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:36:59, skipping insertion in model container [2021-11-25 20:36:59,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:58" (2/3) ... [2021-11-25 20:36:59,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aedda23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:36:59, skipping insertion in model container [2021-11-25 20:36:59,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:36:59" (3/3) ... [2021-11-25 20:36:59,148 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-11-25 20:36:59,153 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 20:36:59,153 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:36:59,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 20:36:59,154 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 20:36:59,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,189 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,189 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,190 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,190 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,198 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,198 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,198 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,199 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,204 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,204 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,205 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,205 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,208 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,208 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,216 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,216 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,216 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,217 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,217 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:36:59,223 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-25 20:36:59,268 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:36:59,276 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:36:59,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-11-25 20:36:59,291 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 20:36:59,304 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 127 transitions, 278 flow [2021-11-25 20:36:59,307 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 127 transitions, 278 flow [2021-11-25 20:36:59,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 127 transitions, 278 flow [2021-11-25 20:36:59,405 INFO L129 PetriNetUnfolder]: 1/124 cut-off events. [2021-11-25 20:36:59,405 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-25 20:36:59,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 1/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 153 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-11-25 20:36:59,435 INFO L116 LiptonReduction]: Number of co-enabled transitions 3478 [2021-11-25 20:37:03,238 INFO L131 LiptonReduction]: Checked pairs total: 11223 [2021-11-25 20:37:03,239 INFO L133 LiptonReduction]: Total number of compositions: 95 [2021-11-25 20:37:03,247 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 45 transitions, 114 flow [2021-11-25 20:37:03,375 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2782 states, 2739 states have (on average 3.4081781672143117) internal successors, (9335), 2781 states have internal predecessors, (9335), 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) [2021-11-25 20:37:03,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 2782 states, 2739 states have (on average 3.4081781672143117) internal successors, (9335), 2781 states have internal predecessors, (9335), 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) [2021-11-25 20:37:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 20:37:03,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:03,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-25 20:37:03,394 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-25 20:37:03,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:03,399 INFO L85 PathProgramCache]: Analyzing trace with hash 410236961, now seen corresponding path program 1 times [2021-11-25 20:37:03,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:03,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435864759] [2021-11-25 20:37:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:03,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:37:03,691 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:03,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435864759] [2021-11-25 20:37:03,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435864759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:37:03,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:37:03,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:37:03,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366838859] [2021-11-25 20:37:03,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:37:03,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:37:03,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:37:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:37:03,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:03,741 INFO L87 Difference]: Start difference. First operand has 2782 states, 2739 states have (on average 3.4081781672143117) internal successors, (9335), 2781 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:37:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:03,947 INFO L93 Difference]: Finished difference Result 2552 states and 7534 transitions. [2021-11-25 20:37:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:37:03,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-25 20:37:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:03,987 INFO L225 Difference]: With dead ends: 2552 [2021-11-25 20:37:03,988 INFO L226 Difference]: Without dead ends: 2424 [2021-11-25 20:37:03,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:03,992 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 26 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:03,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 12 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:37:04,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2021-11-25 20:37:04,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 1874. [2021-11-25 20:37:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1859 states have (on average 3.037116729424422) internal successors, (5646), 1873 states have internal predecessors, (5646), 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) [2021-11-25 20:37:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 5646 transitions. [2021-11-25 20:37:04,187 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 5646 transitions. Word has length 5 [2021-11-25 20:37:04,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:04,187 INFO L470 AbstractCegarLoop]: Abstraction has 1874 states and 5646 transitions. [2021-11-25 20:37:04,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:37:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 5646 transitions. [2021-11-25 20:37:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 20:37:04,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:04,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:37:04,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:37:04,193 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-25 20:37:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash -902726557, now seen corresponding path program 1 times [2021-11-25 20:37:04,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:04,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997998826] [2021-11-25 20:37:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:04,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:37:04,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:04,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997998826] [2021-11-25 20:37:04,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997998826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:37:04,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:37:04,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:37:04,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258564487] [2021-11-25 20:37:04,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:37:04,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:37:04,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:37:04,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:37:04,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:04,318 INFO L87 Difference]: Start difference. First operand 1874 states and 5646 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 20:37:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:04,420 INFO L93 Difference]: Finished difference Result 2058 states and 6156 transitions. [2021-11-25 20:37:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:37:04,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 20:37:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:04,438 INFO L225 Difference]: With dead ends: 2058 [2021-11-25 20:37:04,438 INFO L226 Difference]: Without dead ends: 1974 [2021-11-25 20:37:04,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:04,440 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 18 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:04,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 16 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:37:04,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2021-11-25 20:37:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1858. [2021-11-25 20:37:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1844 states have (on average 2.9766811279826464) internal successors, (5489), 1857 states have internal predecessors, (5489), 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) [2021-11-25 20:37:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 5489 transitions. [2021-11-25 20:37:04,580 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 5489 transitions. Word has length 9 [2021-11-25 20:37:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:04,581 INFO L470 AbstractCegarLoop]: Abstraction has 1858 states and 5489 transitions. [2021-11-25 20:37:04,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 20:37:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 5489 transitions. [2021-11-25 20:37:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:37:04,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:04,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:37:04,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:37:04,590 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-25 20:37:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:04,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1647518656, now seen corresponding path program 1 times [2021-11-25 20:37:04,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:04,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650022349] [2021-11-25 20:37:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:04,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:37:04,673 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:04,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650022349] [2021-11-25 20:37:04,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650022349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:37:04,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:37:04,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:37:04,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402010729] [2021-11-25 20:37:04,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:37:04,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:37:04,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:37:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:37:04,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:04,676 INFO L87 Difference]: Start difference. First operand 1858 states and 5489 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:37:04,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:04,782 INFO L93 Difference]: Finished difference Result 1916 states and 5554 transitions. [2021-11-25 20:37:04,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:37:04,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 20:37:04,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:04,800 INFO L225 Difference]: With dead ends: 1916 [2021-11-25 20:37:04,800 INFO L226 Difference]: Without dead ends: 1808 [2021-11-25 20:37:04,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:04,804 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 18 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:04,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 16 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:37:04,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2021-11-25 20:37:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1808. [2021-11-25 20:37:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1796 states have (on average 2.8585746102449887) internal successors, (5134), 1807 states have internal predecessors, (5134), 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) [2021-11-25 20:37:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 5134 transitions. [2021-11-25 20:37:04,887 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 5134 transitions. Word has length 10 [2021-11-25 20:37:04,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:04,889 INFO L470 AbstractCegarLoop]: Abstraction has 1808 states and 5134 transitions. [2021-11-25 20:37:04,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:37:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 5134 transitions. [2021-11-25 20:37:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 20:37:04,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:04,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:37:04,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:37:04,897 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-25 20:37:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:04,898 INFO L85 PathProgramCache]: Analyzing trace with hash 921545639, now seen corresponding path program 1 times [2021-11-25 20:37:04,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:04,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379880919] [2021-11-25 20:37:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:04,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:37:05,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:05,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379880919] [2021-11-25 20:37:05,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379880919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:37:05,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:37:05,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:37:05,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651108999] [2021-11-25 20:37:05,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:37:05,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:37:05,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:37:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:37:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:05,008 INFO L87 Difference]: Start difference. First operand 1808 states and 5134 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-25 20:37:05,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:05,073 INFO L93 Difference]: Finished difference Result 184 states and 311 transitions. [2021-11-25 20:37:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:37:05,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-25 20:37:05,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:05,074 INFO L225 Difference]: With dead ends: 184 [2021-11-25 20:37:05,074 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:37:05,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:05,078 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:05,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 7 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:37:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:37:05,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:37:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:37:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:37:05,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-11-25 20:37:05,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:05,082 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:37:05,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-25 20:37:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:37:05,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:37:05,087 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2021-11-25 20:37:05,087 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2021-11-25 20:37:05,088 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2021-11-25 20:37:05,088 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2021-11-25 20:37:05,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2021-11-25 20:37:05,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2021-11-25 20:37:05,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2021-11-25 20:37:05,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2021-11-25 20:37:05,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (7 of 16 remaining) [2021-11-25 20:37:05,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (6 of 16 remaining) [2021-11-25 20:37:05,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (5 of 16 remaining) [2021-11-25 20:37:05,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2021-11-25 20:37:05,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2021-11-25 20:37:05,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2021-11-25 20:37:05,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2021-11-25 20:37:05,092 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2021-11-25 20:37:05,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:37:05,094 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-25 20:37:05,099 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 20:37:05,099 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:37:05,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:37:05 BasicIcfg [2021-11-25 20:37:05,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:37:05,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:37:05,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:37:05,105 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:37:05,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:36:59" (3/4) ... [2021-11-25 20:37:05,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:37:05,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-25 20:37:05,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-25 20:37:05,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-25 20:37:05,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-25 20:37:05,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 20:37:05,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 20:37:05,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:37:05,171 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:37:05,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:37:05,172 INFO L158 Benchmark]: Toolchain (without parser) took 7256.72ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 82.3MB in the beginning and 44.2MB in the end (delta: 38.1MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2021-11-25 20:37:05,172 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:37:05,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.55ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 84.6MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:37:05,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.14ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:37:05,174 INFO L158 Benchmark]: Boogie Preprocessor took 64.76ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 81.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:37:05,177 INFO L158 Benchmark]: RCFGBuilder took 518.16ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 66.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 20:37:05,177 INFO L158 Benchmark]: TraceAbstraction took 5962.31ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 65.7MB in the beginning and 47.3MB in the end (delta: 18.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-11-25 20:37:05,179 INFO L158 Benchmark]: Witness Printer took 67.25ms. Allocated memory is still 153.1MB. Free memory was 47.3MB in the beginning and 44.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:37:05,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.55ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 84.6MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.14ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.76ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 81.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.16ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 66.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5962.31ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 65.7MB in the beginning and 47.3MB in the end (delta: 18.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 67.25ms. Allocated memory is still 153.1MB. Free memory was 47.3MB in the beginning and 44.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 136 PlacesBefore, 54 PlacesAfterwards, 127 TransitionsBefore, 45 TransitionsAfterwards, 3478 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 95 TotalNumberOfCompositions, 11223 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5720, positive: 5425, positive conditional: 0, positive unconditional: 5425, negative: 295, negative conditional: 0, negative unconditional: 295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2399, positive: 2348, positive conditional: 0, positive unconditional: 2348, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2399, positive: 2293, positive conditional: 0, positive unconditional: 2293, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 106, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5720, positive: 3077, positive conditional: 0, positive unconditional: 3077, negative: 244, negative conditional: 0, negative unconditional: 244, unknown: 2399, unknown conditional: 0, unknown unconditional: 2399] , Statistics on independence cache: Total cache size (in pairs): 485, Positive cache size: 453, Positive conditional cache size: 0, Positive unconditional cache size: 453, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: 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, 177 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 42 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2782occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 666 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-25 20:37:05,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa586526-5e36-47e8-8cb5-802cda5cfc91/bin/utaipan-eEHZpOm5b7/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