./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:53:52,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:53:52,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:53:52,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:53:52,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:53:52,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:53:52,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:53:52,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:53:52,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:53:52,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:53:52,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:53:52,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:53:52,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:53:52,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:53:52,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:53:52,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:53:52,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:53:52,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:53:52,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:53:52,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:53:52,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:53:52,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:53:52,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:53:52,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:53:52,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:53:52,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:53:52,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:53:52,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:53:52,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:53:52,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:53:52,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:53:52,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:53:52,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:53:52,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:53:52,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:53:52,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:53:52,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:53:52,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:53:52,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:53:52,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:53:52,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:53:52,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:53:52,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:53:52,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:53:52,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:53:52,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:53:52,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:53:52,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:53:52,697 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:53:52,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:53:52,698 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:53:52,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:53:52,698 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:53:52,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:53:52,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:53:52,699 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:53:52,699 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:53:52,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:53:52,700 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:53:52,700 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:53:52,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:53:52,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:53:52,701 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:53:52,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:53:52,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:53:52,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:53:52,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:53:52,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:53:52,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:53:52,703 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:53:52,703 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:53:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:53:52,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:53:52,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:53:52,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:53:52,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:53:52,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:52,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:53:52,705 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:53:52,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:53:52,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:53:52,706 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:53:52,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:53:52,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:53:52,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:53:52,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 [2022-11-03 01:53:52,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:53:53,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:53:53,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:53:53,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:53:53,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:53:53,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-11-03 01:53:53,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/data/4e499d8ba/20a530687e104965a613477ddd5af6e0/FLAG83a1c7b01 [2022-11-03 01:53:53,715 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:53:53,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-11-03 01:53:53,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/data/4e499d8ba/20a530687e104965a613477ddd5af6e0/FLAG83a1c7b01 [2022-11-03 01:53:53,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/data/4e499d8ba/20a530687e104965a613477ddd5af6e0 [2022-11-03 01:53:53,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:53:53,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:53:53,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:53,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:53:53,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:53:53,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:53:53" (1/1) ... [2022-11-03 01:53:53,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b68717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:53, skipping insertion in model container [2022-11-03 01:53:53,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:53:53" (1/1) ... [2022-11-03 01:53:53,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:53:54,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:53:54,340 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_837389e0-4c0e-4306-8307-f68b8ebbec23/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i[1089,1102] [2022-11-03 01:53:54,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:54,615 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:53:54,631 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_837389e0-4c0e-4306-8307-f68b8ebbec23/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i[1089,1102] [2022-11-03 01:53:54,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:54,729 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:53:54,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54 WrapperNode [2022-11-03 01:53:54,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:54,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:54,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:53:54,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:53:54,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,790 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-11-03 01:53:54,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:54,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:53:54,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:53:54,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:53:54,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:53:54,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:53:54,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:53:54,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:53:54,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (1/1) ... [2022-11-03 01:53:54,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:54,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:53:54,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 01:53:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 01:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:53:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:53:54,939 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:53:55,116 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:53:55,118 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:53:55,346 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:53:55,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:53:55,357 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:53:55,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:55 BoogieIcfgContainer [2022-11-03 01:53:55,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:53:55,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:53:55,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:53:55,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:53:55,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:53:53" (1/3) ... [2022-11-03 01:53:55,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1bfb6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:55, skipping insertion in model container [2022-11-03 01:53:55,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:54" (2/3) ... [2022-11-03 01:53:55,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1bfb6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:55, skipping insertion in model container [2022-11-03 01:53:55,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:55" (3/3) ... [2022-11-03 01:53:55,370 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2022-11-03 01:53:55,380 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:53:55,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:53:55,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 01:53:55,393 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:53:55,446 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 01:53:55,483 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:53:55,497 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 80 transitions, 165 flow [2022-11-03 01:53:55,500 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 80 transitions, 165 flow [2022-11-03 01:53:55,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 165 flow [2022-11-03 01:53:55,551 INFO L130 PetriNetUnfolder]: 2/79 cut-off events. [2022-11-03 01:53:55,552 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 01:53:55,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 2/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-11-03 01:53:55,558 INFO L118 LiptonReduction]: Number of co-enabled transitions 1344 [2022-11-03 01:53:58,265 INFO L133 LiptonReduction]: Checked pairs total: 5036 [2022-11-03 01:53:58,266 INFO L135 LiptonReduction]: Total number of compositions: 79 [2022-11-03 01:53:58,275 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 22 transitions, 49 flow [2022-11-03 01:53:58,294 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 98 states, 89 states have (on average 2.044943820224719) internal successors, (182), 97 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:53:58,320 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@612e8bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:53:58,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-03 01:53:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 89 states have (on average 2.044943820224719) internal successors, (182), 97 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 01:53:58,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:58,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 01:53:58,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 01:53:58,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash 290767, now seen corresponding path program 1 times [2022-11-03 01:53:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:58,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261694605] [2022-11-03 01:53:58,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:58,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:58,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:58,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261694605] [2022-11-03 01:53:58,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261694605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:58,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:58,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 01:53:58,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192447009] [2022-11-03 01:53:58,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:58,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:53:58,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:58,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:53:58,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:53:58,525 INFO L87 Difference]: Start difference. First operand has 98 states, 89 states have (on average 2.044943820224719) internal successors, (182), 97 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:58,565 INFO L93 Difference]: Finished difference Result 87 states and 153 transitions. [2022-11-03 01:53:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:53:58,568 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-03 01:53:58,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:58,576 INFO L225 Difference]: With dead ends: 87 [2022-11-03 01:53:58,577 INFO L226 Difference]: Without dead ends: 81 [2022-11-03 01:53:58,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:53:58,581 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:58,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:53:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-03 01:53:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-03 01:53:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 76 states have (on average 1.855263157894737) internal successors, (141), 80 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 141 transitions. [2022-11-03 01:53:58,621 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 141 transitions. Word has length 3 [2022-11-03 01:53:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:58,621 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 141 transitions. [2022-11-03 01:53:58,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 141 transitions. [2022-11-03 01:53:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 01:53:58,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:58,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 01:53:58,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:53:58,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 01:53:58,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:58,623 INFO L85 PathProgramCache]: Analyzing trace with hash 279397395, now seen corresponding path program 1 times [2022-11-03 01:53:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:58,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037131945] [2022-11-03 01:53:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:58,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:58,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037131945] [2022-11-03 01:53:58,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037131945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:58,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:58,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:53:58,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888988496] [2022-11-03 01:53:58,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:58,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:58,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:58,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:58,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:58,704 INFO L87 Difference]: Start difference. First operand 81 states and 141 transitions. 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) [2022-11-03 01:53:58,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:58,769 INFO L93 Difference]: Finished difference Result 93 states and 155 transitions. [2022-11-03 01:53:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:58,769 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 [2022-11-03 01:53:58,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:58,770 INFO L225 Difference]: With dead ends: 93 [2022-11-03 01:53:58,770 INFO L226 Difference]: Without dead ends: 73 [2022-11-03 01:53:58,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:58,772 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:58,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 9 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:58,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-03 01:53:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 63. [2022-11-03 01:53:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 62 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 100 transitions. [2022-11-03 01:53:58,781 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 100 transitions. Word has length 5 [2022-11-03 01:53:58,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:58,781 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 100 transitions. [2022-11-03 01:53:58,781 INFO L496 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) [2022-11-03 01:53:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2022-11-03 01:53:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 01:53:58,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:58,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 01:53:58,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:53:58,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 01:53:58,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:58,783 INFO L85 PathProgramCache]: Analyzing trace with hash 71426586, now seen corresponding path program 1 times [2022-11-03 01:53:58,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:58,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477416133] [2022-11-03 01:53:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:58,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:58,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477416133] [2022-11-03 01:53:58,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477416133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:58,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:58,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:53:58,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622288747] [2022-11-03 01:53:58,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:58,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:58,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:58,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:58,843 INFO L87 Difference]: Start difference. First operand 63 states and 100 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:58,877 INFO L93 Difference]: Finished difference Result 62 states and 92 transitions. [2022-11-03 01:53:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:58,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-03 01:53:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:58,878 INFO L225 Difference]: With dead ends: 62 [2022-11-03 01:53:58,878 INFO L226 Difference]: Without dead ends: 50 [2022-11-03 01:53:58,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:58,880 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:58,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:53:58,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-03 01:53:58,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-03 01:53:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.5106382978723405) internal successors, (71), 49 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2022-11-03 01:53:58,886 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 6 [2022-11-03 01:53:58,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:58,886 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2022-11-03 01:53:58,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2022-11-03 01:53:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 01:53:58,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:58,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:58,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:53:58,888 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 01:53:58,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:58,888 INFO L85 PathProgramCache]: Analyzing trace with hash -103716572, now seen corresponding path program 1 times [2022-11-03 01:53:58,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:58,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053772566] [2022-11-03 01:53:58,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:58,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:59,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:59,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053772566] [2022-11-03 01:53:59,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053772566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:59,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:59,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:59,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671274201] [2022-11-03 01:53:59,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:59,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:59,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:59,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:59,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:59,046 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:59,064 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2022-11-03 01:53:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:59,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-03 01:53:59,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:59,065 INFO L225 Difference]: With dead ends: 11 [2022-11-03 01:53:59,065 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:53:59,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:59,067 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:59,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:53:59,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:53:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:53:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:53:59,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-11-03 01:53:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:59,069 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:53:59,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:53:59,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:53:59,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-03 01:53:59,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-03 01:53:59,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-03 01:53:59,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-03 01:53:59,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-03 01:53:59,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-03 01:53:59,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-03 01:53:59,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:53:59,076 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 01:53:59,087 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 01:53:59,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:53:59,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:53:59 BasicIcfg [2022-11-03 01:53:59,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:53:59,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:53:59,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:53:59,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:53:59,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:55" (3/4) ... [2022-11-03 01:53:59,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:53:59,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-03 01:53:59,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 01:53:59,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 01:53:59,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:53:59,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:53:59,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:53:59,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:53:59,159 INFO L158 Benchmark]: Toolchain (without parser) took 5189.94ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 69.2MB in the beginning and 93.3MB in the end (delta: -24.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,161 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 51.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:53:59,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.86ms. Allocated memory is still 115.3MB. Free memory was 69.0MB in the beginning and 81.4MB in the end (delta: -12.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.77ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,162 INFO L158 Benchmark]: Boogie Preprocessor took 43.85ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 78.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,163 INFO L158 Benchmark]: RCFGBuilder took 524.44ms. Allocated memory is still 115.3MB. Free memory was 78.1MB in the beginning and 65.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,164 INFO L158 Benchmark]: TraceAbstraction took 3731.17ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 64.9MB in the beginning and 95.3MB in the end (delta: -30.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,165 INFO L158 Benchmark]: Witness Printer took 63.39ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:53:59,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 51.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.86ms. Allocated memory is still 115.3MB. Free memory was 69.0MB in the beginning and 81.4MB in the end (delta: -12.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.77ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.85ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 78.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.44ms. Allocated memory is still 115.3MB. Free memory was 78.1MB in the beginning and 65.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3731.17ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 64.9MB in the beginning and 95.3MB in the end (delta: -30.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 63.39ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.1MB). 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: 2.8s, 82 PlacesBefore, 25 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1344 CoEnabledTransitionPairs, 11 FixpointIterations, 25 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 5036 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2592, positive: 2245, positive conditional: 0, positive unconditional: 2245, negative: 347, negative conditional: 0, negative unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1061, positive: 1013, positive conditional: 0, positive unconditional: 1013, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1061, positive: 940, positive conditional: 0, positive unconditional: 940, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 121, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2592, positive: 1232, positive conditional: 0, positive unconditional: 1232, negative: 299, negative conditional: 0, negative unconditional: 299, unknown: 1061, unknown conditional: 0, unknown unconditional: 1061] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - 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: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: 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 3 procedures, 104 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 29 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 01:53:59,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_837389e0-4c0e-4306-8307-f68b8ebbec23/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE