./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:22:52,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:22:52,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:22:52,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:22:52,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:22:52,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:22:52,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:22:52,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:22:52,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:22:52,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:22:52,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:22:52,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:22:52,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:22:52,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:22:52,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:22:52,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:22:52,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:22:52,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:22:52,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:22:52,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:22:52,792 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:22:52,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:22:52,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:22:52,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:22:52,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:22:52,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:22:52,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:22:52,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:22:52,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:22:52,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:22:52,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:22:52,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:22:52,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:22:52,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:22:52,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:22:52,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:22:52,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:22:52,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:22:52,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:22:52,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:22:52,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:22:52,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:22:52,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:22:52,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:22:52,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:22:52,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:22:52,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:22:52,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:22:52,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:22:52,845 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:22:52,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:22:52,845 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:22:52,846 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:22:52,846 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:22:52,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:22:52,847 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:22:52,847 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:22:52,847 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:22:52,847 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:22:52,848 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:22:52,848 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:22:52,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:22:52,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:22:52,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:22:52,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:22:52,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:22:52,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:22:52,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:22:52,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:22:52,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:22:52,851 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:22:52,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:22:52,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:22:52,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:22:52,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:22:52,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:22:52,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:22:52,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:22:52,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:22:52,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:22:52,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:22:52,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:22:52,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:22:52,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:22:52,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:22:52,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:22:52,860 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:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 [2022-04-18 20:22:53,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:22:53,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:22:53,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:22:53,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:22:53,143 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:22:53,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2022-04-18 20:22:53,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/13661b6f0/61a3291fd3234897801d5b034b325ef9/FLAG1d1da09de [2022-04-18 20:22:53,598 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:22:53,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2022-04-18 20:22:53,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/13661b6f0/61a3291fd3234897801d5b034b325ef9/FLAG1d1da09de [2022-04-18 20:22:53,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/13661b6f0/61a3291fd3234897801d5b034b325ef9 [2022-04-18 20:22:53,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:22:53,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:22:53,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:22:53,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:22:53,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:22:53,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:22:53" (1/1) ... [2022-04-18 20:22:53,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6b6881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:53, skipping insertion in model container [2022-04-18 20:22:53,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:22:53" (1/1) ... [2022-04-18 20:22:53,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:22:54,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:22:54,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c[2005,2018] [2022-04-18 20:22:54,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:22:54,162 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:22:54,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c[2005,2018] [2022-04-18 20:22:54,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:22:54,193 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:22:54,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54 WrapperNode [2022-04-18 20:22:54,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:22:54,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:22:54,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:22:54,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:22:54,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,222 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-04-18 20:22:54,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:22:54,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:22:54,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:22:54,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:22:54,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:22:54,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:22:54,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:22:54,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:22:54,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (1/1) ... [2022-04-18 20:22:54,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:22:54,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:22:54,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 20:22:54,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 20:22:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:22:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:22:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:22:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:22:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:22:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:22:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:22:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:22:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 20:22:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 20:22:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:22:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:22:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:22:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:22:54,346 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 20:22:54,465 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:22:54,466 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:22:54,759 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:22:54,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:22:54,797 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-18 20:22:54,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:22:54 BoogieIcfgContainer [2022-04-18 20:22:54,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:22:54,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:22:54,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:22:54,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:22:54,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:22:53" (1/3) ... [2022-04-18 20:22:54,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f90dce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:22:54, skipping insertion in model container [2022-04-18 20:22:54,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:54" (2/3) ... [2022-04-18 20:22:54,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f90dce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:22:54, skipping insertion in model container [2022-04-18 20:22:54,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:22:54" (3/3) ... [2022-04-18 20:22:54,808 INFO L111 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2022-04-18 20:22:54,813 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:22:54,813 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:22:54,813 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-04-18 20:22:54,813 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:22:54,908 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 20:22:54,967 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:22:54,974 INFO L340 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 [2022-04-18 20:22:54,975 INFO L341 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-04-18 20:22:54,988 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:22:55,001 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 119 transitions, 254 flow [2022-04-18 20:22:55,004 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 119 transitions, 254 flow [2022-04-18 20:22:55,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 119 transitions, 254 flow [2022-04-18 20:22:55,059 INFO L129 PetriNetUnfolder]: 6/117 cut-off events. [2022-04-18 20:22:55,060 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 20:22:55,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 6/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2022-04-18 20:22:55,067 INFO L116 LiptonReduction]: Number of co-enabled transitions 1568 [2022-04-18 20:22:57,841 INFO L131 LiptonReduction]: Checked pairs total: 2057 [2022-04-18 20:22:57,842 INFO L133 LiptonReduction]: Total number of compositions: 121 [2022-04-18 20:22:57,848 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 76 flow [2022-04-18 20:22:57,895 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 188 states, 150 states have (on average 3.12) internal successors, (468), 187 states have internal predecessors, (468), 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) [2022-04-18 20:22:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 150 states have (on average 3.12) internal successors, (468), 187 states have internal predecessors, (468), 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) [2022-04-18 20:22:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:22:57,901 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:22:57,902 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:22:57,902 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2022-04-18 20:22:57,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:22:57,907 INFO L85 PathProgramCache]: Analyzing trace with hash 477, now seen corresponding path program 1 times [2022-04-18 20:22:57,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:22:57,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778301292] [2022-04-18 20:22:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:22:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:22:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:22:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:22:57,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:22:57,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778301292] [2022-04-18 20:22:57,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778301292] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:22:57,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:22:57,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:22:57,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163454826] [2022-04-18 20:22:57,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:22:57,996 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:22:57,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:22:58,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:22:58,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:22:58,016 INFO L87 Difference]: Start difference. First operand has 188 states, 150 states have (on average 3.12) internal successors, (468), 187 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:22:58,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:22:58,046 INFO L93 Difference]: Finished difference Result 51 states and 115 transitions. [2022-04-18 20:22:58,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:22:58,049 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-04-18 20:22:58,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:22:58,053 INFO L225 Difference]: With dead ends: 51 [2022-04-18 20:22:58,053 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:22:58,064 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:22:58,067 INFO L913 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:22:58,068 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:22:58,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:22:58,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:22:58,087 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) [2022-04-18 20:22:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:22:58,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-04-18 20:22:58,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:22:58,089 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:22:58,089 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:22:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:22:58,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:22:58,091 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 19 remaining) [2022-04-18 20:22:58,092 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2022-04-18 20:22:58,092 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2022-04-18 20:22:58,092 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2022-04-18 20:22:58,093 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2022-04-18 20:22:58,093 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2022-04-18 20:22:58,093 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2022-04-18 20:22:58,093 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2022-04-18 20:22:58,094 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2022-04-18 20:22:58,094 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2022-04-18 20:22:58,094 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2022-04-18 20:22:58,094 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 19 remaining) [2022-04-18 20:22:58,095 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 19 remaining) [2022-04-18 20:22:58,095 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2022-04-18 20:22:58,095 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2022-04-18 20:22:58,095 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2022-04-18 20:22:58,096 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2022-04-18 20:22:58,096 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2022-04-18 20:22:58,096 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2022-04-18 20:22:58,096 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:22:58,098 INFO L719 BasicCegarLoop]: Path program histogram: [1] [2022-04-18 20:22:58,101 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:22:58,101 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:22:58,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:22:58 BasicIcfg [2022-04-18 20:22:58,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:22:58,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:22:58,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:22:58,105 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:22:58,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:22:54" (3/4) ... [2022-04-18 20:22:58,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:22:58,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:22:58,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:22:58,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-04-18 20:22:58,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:22:58,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:22:58,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:22:58,143 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:22:58,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:22:58,144 INFO L158 Benchmark]: Toolchain (without parser) took 4165.57ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 67.0MB in the beginning and 77.1MB in the end (delta: -10.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-04-18 20:22:58,144 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:22:58,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.24ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 20:22:58,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:22:58,145 INFO L158 Benchmark]: Boogie Preprocessor took 32.65ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:22:58,145 INFO L158 Benchmark]: RCFGBuilder took 543.89ms. Allocated memory is still 90.2MB. Free memory was 53.1MB in the beginning and 38.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-04-18 20:22:58,146 INFO L158 Benchmark]: TraceAbstraction took 3302.42ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 38.2MB in the beginning and 80.1MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:22:58,146 INFO L158 Benchmark]: Witness Printer took 38.12ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 77.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:22:58,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.24ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.65ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 543.89ms. Allocated memory is still 90.2MB. Free memory was 53.1MB in the beginning and 38.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3302.42ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 38.2MB in the beginning and 80.1MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.12ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 77.1MB in the end (delta: 3.0MB). 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, 120 PlacesBefore, 35 PlacesAfterwards, 119 TransitionsBefore, 30 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 7 FixpointIterations, 64 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 4 ChoiceCompositions, 121 TotalNumberOfCompositions, 2057 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1780, positive: 1746, positive conditional: 0, positive unconditional: 1746, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 955, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 955, positive: 932, positive conditional: 0, positive unconditional: 932, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1780, positive: 797, positive conditional: 0, positive unconditional: 797, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 955, unknown conditional: 0, unknown unconditional: 955] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 146 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:22:58,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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