./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 20:40:55,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 20:40:55,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 20:40:56,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 20:40:56,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 20:40:56,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 20:40:56,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 20:40:56,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 20:40:56,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 20:40:56,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 20:40:56,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 20:40:56,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 20:40:56,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 20:40:56,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 20:40:56,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 20:40:56,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 20:40:56,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 20:40:56,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 20:40:56,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 20:40:56,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 20:40:56,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 20:40:56,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 20:40:56,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 20:40:56,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 20:40:56,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 20:40:56,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 20:40:56,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 20:40:56,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 20:40:56,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 20:40:56,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 20:40:56,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 20:40:56,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 20:40:56,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 20:40:56,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 20:40:56,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 20:40:56,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 20:40:56,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 20:40:56,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 20:40:56,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 20:40:56,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 20:40:56,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 20:40:56,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 20:40:56,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 20:40:56,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 20:40:56,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 20:40:56,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 20:40:56,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 20:40:56,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 20:40:56,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 20:40:56,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 20:40:56,092 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 20:40:56,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 20:40:56,093 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 20:40:56,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 20:40:56,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 20:40:56,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 20:40:56,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 20:40:56,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 20:40:56,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 20:40:56,094 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 20:40:56,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 20:40:56,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 20:40:56,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 20:40:56,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 20:40:56,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 20:40:56,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 20:40:56,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:40:56,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 20:40:56,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 20:40:56,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 20:40:56,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 20:40:56,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 20:40:56,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 20:40:56,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 20:40:56,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 20:40:56,098 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2022-02-20 20:40:56,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 20:40:56,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 20:40:56,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 20:40:56,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 20:40:56,382 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 20:40:56,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2022-02-20 20:40:56,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1afadac/7b0647b64c3044d3984540526cc83739/FLAG52866cce2 [2022-02-20 20:40:56,917 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 20:40:56,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2022-02-20 20:40:56,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1afadac/7b0647b64c3044d3984540526cc83739/FLAG52866cce2 [2022-02-20 20:40:57,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1afadac/7b0647b64c3044d3984540526cc83739 [2022-02-20 20:40:57,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 20:40:57,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 20:40:57,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 20:40:57,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 20:40:57,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 20:40:57,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa30d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57, skipping insertion in model container [2022-02-20 20:40:57,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 20:40:57,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 20:40:57,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2022-02-20 20:40:57,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:40:57,672 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 20:40:57,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2022-02-20 20:40:57,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:40:57,763 INFO L208 MainTranslator]: Completed translation [2022-02-20 20:40:57,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57 WrapperNode [2022-02-20 20:40:57,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 20:40:57,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 20:40:57,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 20:40:57,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 20:40:57,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,823 INFO L137 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-02-20 20:40:57,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 20:40:57,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 20:40:57,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 20:40:57,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 20:40:57,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 20:40:57,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 20:40:57,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 20:40:57,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 20:40:57,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (1/1) ... [2022-02-20 20:40:57,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:40:57,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 20:40:57,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 20:40:57,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 20:40:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 20:40:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-20 20:40:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 20:40:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 20:40:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-20 20:40:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-20 20:40:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 20:40:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 20:40:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 20:40:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 20:40:57,921 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 20:40:58,076 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 20:40:58,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 20:40:58,219 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 20:40:58,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 20:40:58,226 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 20:40:58,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:40:58 BoogieIcfgContainer [2022-02-20 20:40:58,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 20:40:58,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 20:40:58,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 20:40:58,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 20:40:58,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 08:40:57" (1/3) ... [2022-02-20 20:40:58,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330136fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:40:58, skipping insertion in model container [2022-02-20 20:40:58,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:57" (2/3) ... [2022-02-20 20:40:58,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330136fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:40:58, skipping insertion in model container [2022-02-20 20:40:58,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:40:58" (3/3) ... [2022-02-20 20:40:58,235 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2022-02-20 20:40:58,240 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 20:40:58,240 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 20:40:58,240 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 20:40:58,240 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 20:40:58,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,295 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,296 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,298 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,298 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,304 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,304 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:58,312 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 20:40:58,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:40:58,367 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 20:40:58,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-20 20:40:58,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 52 transitions, 109 flow [2022-02-20 20:40:58,435 INFO L129 PetriNetUnfolder]: 1/51 cut-off events. [2022-02-20 20:40:58,435 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:40:58,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2022-02-20 20:40:58,438 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 52 transitions, 109 flow [2022-02-20 20:40:58,442 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 41 transitions, 85 flow [2022-02-20 20:40:58,457 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2022-02-20 20:40:58,457 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:40:58,457 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:40:58,458 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 20:40:58,459 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 20:40:58,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:40:58,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1423660426, now seen corresponding path program 1 times [2022-02-20 20:40:58,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:40:58,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258262216] [2022-02-20 20:40:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:40:58,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:40:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:40:58,809 INFO L290 TraceCheckUtils]: 0: Hoare triple {58#true} [92] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,810 INFO L290 TraceCheckUtils]: 1: Hoare triple {58#true} [82] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {58#true} is VALID [2022-02-20 20:40:58,810 INFO L290 TraceCheckUtils]: 2: Hoare triple {58#true} [101] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,810 INFO L290 TraceCheckUtils]: 3: Hoare triple {58#true} [103] L-1-2-->L18: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,812 INFO L290 TraceCheckUtils]: 4: Hoare triple {58#true} [70] L18-->L18-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,812 INFO L290 TraceCheckUtils]: 5: Hoare triple {58#true} [93] L18-1-->L18-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,813 INFO L290 TraceCheckUtils]: 6: Hoare triple {58#true} [87] L18-2-->L18-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,814 INFO L290 TraceCheckUtils]: 7: Hoare triple {58#true} [89] L18-3-->L18-4: Formula: (and (= 46 (select |v_#length_2| 2)) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,814 INFO L290 TraceCheckUtils]: 8: Hoare triple {58#true} [90] L18-4-->L682: Formula: (= v_~g~0_1 0) InVars {} OutVars{~g~0=v_~g~0_1} AuxVars[] AssignedVars[~g~0] {58#true} is VALID [2022-02-20 20:40:58,814 INFO L290 TraceCheckUtils]: 9: Hoare triple {58#true} [58] L682-->L682-1: Formula: (and (= |v_~#A~0.offset_1| 0) (= 3 |v_~#A~0.base_1|)) InVars {} OutVars{~#A~0.offset=|v_~#A~0.offset_1|, ~#A~0.base=|v_~#A~0.base_1|} AuxVars[] AssignedVars[~#A~0.offset, ~#A~0.base] {58#true} is VALID [2022-02-20 20:40:58,815 INFO L290 TraceCheckUtils]: 10: Hoare triple {58#true} [71] L682-1-->L682-2: Formula: (and (= (select |v_#length_3| 3) 24) (= (select |v_#valid_4| 3) 1)) InVars {#length=|v_#length_3|, #valid=|v_#valid_4|} OutVars{#length=|v_#length_3|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,815 INFO L290 TraceCheckUtils]: 11: Hoare triple {58#true} [60] L682-2-->L682-3: Formula: (= (select (select |v_#memory_int_3| |v_~#A~0.base_2|) |v_~#A~0.offset_2|) 0) InVars {#memory_int=|v_#memory_int_3|, ~#A~0.offset=|v_~#A~0.offset_2|, ~#A~0.base=|v_~#A~0.base_2|} OutVars{#memory_int=|v_#memory_int_3|, ~#A~0.offset=|v_~#A~0.offset_2|, ~#A~0.base=|v_~#A~0.base_2|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,815 INFO L290 TraceCheckUtils]: 12: Hoare triple {58#true} [102] L682-3-->L682-4: Formula: (= (select (select |v_#memory_int_4| |v_~#A~0.base_3|) (+ |v_~#A~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_4|, ~#A~0.offset=|v_~#A~0.offset_3|, ~#A~0.base=|v_~#A~0.base_3|} OutVars{#memory_int=|v_#memory_int_4|, ~#A~0.offset=|v_~#A~0.offset_3|, ~#A~0.base=|v_~#A~0.base_3|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,816 INFO L290 TraceCheckUtils]: 13: Hoare triple {58#true} [77] L682-4-->L682-5: Formula: (= (select (select |v_#memory_int_5| |v_~#A~0.base_4|) (+ |v_~#A~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_5|, ~#A~0.offset=|v_~#A~0.offset_4|, ~#A~0.base=|v_~#A~0.base_4|} OutVars{#memory_int=|v_#memory_int_5|, ~#A~0.offset=|v_~#A~0.offset_4|, ~#A~0.base=|v_~#A~0.base_4|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,816 INFO L290 TraceCheckUtils]: 14: Hoare triple {58#true} [106] L682-5-->L682-6: Formula: (= (select (select |v_#memory_int_6| |v_~#A~0.base_5|) (+ |v_~#A~0.offset_5| 12)) ~unnamed1~0~PTHREAD_MUTEX_TIMED_NP) InVars {#memory_int=|v_#memory_int_6|, ~#A~0.offset=|v_~#A~0.offset_5|, ~#A~0.base=|v_~#A~0.base_5|} OutVars{#memory_int=|v_#memory_int_6|, ~#A~0.offset=|v_~#A~0.offset_5|, ~#A~0.base=|v_~#A~0.base_5|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,816 INFO L290 TraceCheckUtils]: 15: Hoare triple {58#true} [64] L682-6-->L682-7: Formula: (= (select (select |v_#memory_int_7| |v_~#A~0.base_6|) (+ |v_~#A~0.offset_6| 16)) 0) InVars {#memory_int=|v_#memory_int_7|, ~#A~0.offset=|v_~#A~0.offset_6|, ~#A~0.base=|v_~#A~0.base_6|} OutVars{#memory_int=|v_#memory_int_7|, ~#A~0.offset=|v_~#A~0.offset_6|, ~#A~0.base=|v_~#A~0.base_6|} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,817 INFO L290 TraceCheckUtils]: 16: Hoare triple {58#true} [98] L682-7-->L-1-3: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,817 INFO L290 TraceCheckUtils]: 17: Hoare triple {58#true} [105] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {58#true} is VALID [2022-02-20 20:40:58,817 INFO L290 TraceCheckUtils]: 18: Hoare triple {58#true} [88] L-1-4-->L-1-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {58#true} is VALID [2022-02-20 20:40:58,818 INFO L290 TraceCheckUtils]: 19: Hoare triple {58#true} [63] L-1-5-->L687: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_1|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_1|, ULTIMATE.start_main_~#id~0#1.base=|v_ULTIMATE.start_main_~#id~0#1.base_1|, ULTIMATE.start_main_~#id~0#1.offset=|v_ULTIMATE.start_main_~#id~0#1.offset_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~#id~0#1.base, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~#id~0#1.offset, ULTIMATE.start_main_#t~pre2#1] {58#true} is VALID [2022-02-20 20:40:58,818 INFO L290 TraceCheckUtils]: 20: Hoare triple {58#true} [94] L687-->L687-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_2| |v_~#A~0.base_7|))) (and (= |v_#pthreadsMutex_1| (store |v_#pthreadsMutex_2| |v_~#A~0.base_7| (store .cse0 |v_~#A~0.offset_7| 1))) (= |v_ULTIMATE.start_main_#t~nondet1#1_2| 0) (= (select .cse0 |v_~#A~0.offset_7|) 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_2|, ~#A~0.offset=|v_~#A~0.offset_7|, ~#A~0.base=|v_~#A~0.base_7|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_1|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_2|, ~#A~0.offset=|v_~#A~0.offset_7|, ~#A~0.base=|v_~#A~0.base_7|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet1#1] {58#true} is VALID [2022-02-20 20:40:58,818 INFO L290 TraceCheckUtils]: 21: Hoare triple {58#true} [91] L687-1-->L688: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1#1] {58#true} is VALID [2022-02-20 20:40:58,819 INFO L290 TraceCheckUtils]: 22: Hoare triple {58#true} [73] L688-->L689: Formula: (= v_~g~0_2 1) InVars {} OutVars{~g~0=v_~g~0_2} AuxVars[] AssignedVars[~g~0] {58#true} is VALID [2022-02-20 20:40:58,819 INFO L290 TraceCheckUtils]: 23: Hoare triple {58#true} [62] L689-->L690: Formula: (= |v_#pthreadsMutex_3| (store |v_#pthreadsMutex_4| |v_~#A~0.base_8| (store (select |v_#pthreadsMutex_4| |v_~#A~0.base_8|) |v_~#A~0.offset_8| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_4|, ~#A~0.offset=|v_~#A~0.offset_8|, ~#A~0.base=|v_~#A~0.base_8|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_3|, ~#A~0.offset=|v_~#A~0.offset_8|, ~#A~0.base=|v_~#A~0.base_8|} AuxVars[] AssignedVars[#pthreadsMutex] {58#true} is VALID [2022-02-20 20:40:58,820 INFO L290 TraceCheckUtils]: 24: Hoare triple {58#true} [97] L690-->L691: Formula: (= 2 v_~g~0_3) InVars {} OutVars{~g~0=v_~g~0_3} AuxVars[] AssignedVars[~g~0] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,821 INFO L290 TraceCheckUtils]: 25: Hoare triple {60#(= 2 ~g~0)} [80] L691-->L691-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#id~0#1.base_2| 0)) (= |v_#length_4| (store |v_#length_5| |v_ULTIMATE.start_main_~#id~0#1.base_2| 4)) (= |v_ULTIMATE.start_main_~#id~0#1.offset_2| 0) (= |v_#valid_5| (store |v_#valid_6| |v_ULTIMATE.start_main_~#id~0#1.base_2| 1)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#id~0#1.base_2|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_~#id~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_5|, #valid=|v_#valid_6|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, ULTIMATE.start_main_~#id~0#1.base=|v_ULTIMATE.start_main_~#id~0#1.base_2|, ULTIMATE.start_main_~#id~0#1.offset=|v_ULTIMATE.start_main_~#id~0#1.offset_2|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id~0#1.base, #valid, #length, ULTIMATE.start_main_~#id~0#1.offset] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,822 INFO L290 TraceCheckUtils]: 26: Hoare triple {60#(= 2 ~g~0)} [107] L691-1-->L692: Formula: (= |v_ULTIMATE.start_main_#t~pre2#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,824 INFO L290 TraceCheckUtils]: 27: Hoare triple {60#(= 2 ~g~0)} [79] L692-->L692-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,825 INFO L290 TraceCheckUtils]: 28: Hoare triple {60#(= 2 ~g~0)} [84] L692-1-->L692-2: Formula: (= (store |v_#memory_int_9| |v_ULTIMATE.start_main_~#id~0#1.base_3| (store (select |v_#memory_int_9| |v_ULTIMATE.start_main_~#id~0#1.base_3|) |v_ULTIMATE.start_main_~#id~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre2#1_3|)) |v_#memory_int_8|) InVars {#memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#id~0#1.base=|v_ULTIMATE.start_main_~#id~0#1.base_3|, ULTIMATE.start_main_~#id~0#1.offset=|v_ULTIMATE.start_main_~#id~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} OutVars{#memory_int=|v_#memory_int_8|, ULTIMATE.start_main_~#id~0#1.base=|v_ULTIMATE.start_main_~#id~0#1.base_3|, ULTIMATE.start_main_~#id~0#1.offset=|v_ULTIMATE.start_main_~#id~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} AuxVars[] AssignedVars[#memory_int] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,826 INFO L290 TraceCheckUtils]: 29: Hoare triple {60#(= 2 ~g~0)} [113] L692-2-->t_funENTRY: Formula: (and (= |v_t_funThread1of1ForFork0_#in~arg.base_4| 0) (= |v_ULTIMATE.start_main_#t~pre2#1_6| v_t_funThread1of1ForFork0_thidvar0_2) (= v_t_funThread1of1ForFork0_thidvar1_2 0) (= |v_t_funThread1of1ForFork0_#in~arg.offset_4| 0)) InVars {ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_6|} OutVars{t_funThread1of1ForFork0_#in~arg.offset=|v_t_funThread1of1ForFork0_#in~arg.offset_4|, t_funThread1of1ForFork0_~arg.offset=v_t_funThread1of1ForFork0_~arg.offset_4, t_funThread1of1ForFork0_thidvar1=v_t_funThread1of1ForFork0_thidvar1_2, t_funThread1of1ForFork0_#res.base=|v_t_funThread1of1ForFork0_#res.base_4|, t_funThread1of1ForFork0_#in~arg.base=|v_t_funThread1of1ForFork0_#in~arg.base_4|, t_funThread1of1ForFork0_~arg.base=v_t_funThread1of1ForFork0_~arg.base_4, t_funThread1of1ForFork0_thidvar0=v_t_funThread1of1ForFork0_thidvar0_2, t_funThread1of1ForFork0_#res.offset=|v_t_funThread1of1ForFork0_#res.offset_4|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_6|} AuxVars[] AssignedVars[t_funThread1of1ForFork0_#in~arg.offset, t_funThread1of1ForFork0_~arg.offset, t_funThread1of1ForFork0_thidvar1, t_funThread1of1ForFork0_#res.base, t_funThread1of1ForFork0_#in~arg.base, t_funThread1of1ForFork0_~arg.base, t_funThread1of1ForFork0_thidvar0, t_funThread1of1ForFork0_#res.offset] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,827 INFO L290 TraceCheckUtils]: 30: Hoare triple {60#(= 2 ~g~0)} [81] L692-3-->L692-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,827 INFO L290 TraceCheckUtils]: 31: Hoare triple {60#(= 2 ~g~0)} [61] L692-4-->L693: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3#1] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,828 INFO L290 TraceCheckUtils]: 32: Hoare triple {60#(= 2 ~g~0)} [95] L693-->L693-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {60#(= 2 ~g~0)} is VALID [2022-02-20 20:40:58,828 INFO L290 TraceCheckUtils]: 33: Hoare triple {60#(= 2 ~g~0)} [59] L693-1-->L693-2: Formula: (= (ite (= 2 v_~g~0_4) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1|) InVars {~g~0=v_~g~0_4} OutVars{ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1|, ~g~0=v_~g~0_4} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1] {61#(not (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))} is VALID [2022-02-20 20:40:58,829 INFO L290 TraceCheckUtils]: 34: Hoare triple {61#(not (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))} [99] L693-2-->L19: Formula: true InVars {} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {61#(not (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))} is VALID [2022-02-20 20:40:58,830 INFO L290 TraceCheckUtils]: 35: Hoare triple {61#(not (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))} [72] L19-->L19-1: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_2| |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|) InVars {ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_2|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {62#(not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))} is VALID [2022-02-20 20:40:58,831 INFO L290 TraceCheckUtils]: 36: Hoare triple {62#(not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))} [66] L19-1-->L19-2: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_3| 0) InVars {ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} AuxVars[] AssignedVars[] {59#false} is VALID [2022-02-20 20:40:58,832 INFO L290 TraceCheckUtils]: 37: Hoare triple {59#false} [75] L19-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {59#false} is VALID [2022-02-20 20:40:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 20:40:58,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:40:58,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258262216] [2022-02-20 20:40:58,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258262216] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:40:58,834 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:40:58,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 20:40:58,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308212221] [2022-02-20 20:40:58,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:40:58,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 38 [2022-02-20 20:40:58,853 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:40:58,858 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2022-02-20 20:40:58,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:40:58,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 20:40:58,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:40:58,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 20:40:58,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 20:40:58,928 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 52 [2022-02-20 20:40:58,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 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) [2022-02-20 20:40:58,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:40:58,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 52 [2022-02-20 20:40:58,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:40:58,997 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2022-02-20 20:40:58,997 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-02-20 20:40:58,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 39 events. 0/39 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-02-20 20:40:58,999 INFO L132 encePairwiseOnDemand]: 48/52 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2022-02-20 20:40:58,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 95 flow [2022-02-20 20:40:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 20:40:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-02-20 20:40:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 213 transitions. [2022-02-20 20:40:59,019 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8192307692307692 [2022-02-20 20:40:59,020 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 213 transitions. [2022-02-20 20:40:59,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 213 transitions. [2022-02-20 20:40:59,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:40:59,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 213 transitions. [2022-02-20 20:40:59,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 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) [2022-02-20 20:40:59,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 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) [2022-02-20 20:40:59,031 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 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) [2022-02-20 20:40:59,033 INFO L186 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 5 states and 213 transitions. [2022-02-20 20:40:59,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 95 flow [2022-02-20 20:40:59,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 39 transitions, 94 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-02-20 20:40:59,036 INFO L242 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2022-02-20 20:40:59,038 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2022-02-20 20:40:59,041 INFO L334 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2022-02-20 20:40:59,041 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 0 transitions, 0 flow [2022-02-20 20:40:59,042 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1 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) [2022-02-20 20:40:59,042 INFO L78 Accepts]: Start accepts. Automaton has has 1 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) Word has length 38 [2022-02-20 20:40:59,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:40:59,042 INFO L470 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2022-02-20 20:40:59,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 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) [2022-02-20 20:40:59,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-20 20:40:59,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-20 20:40:59,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 20:40:59,049 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 20:40:59,050 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 20:40:59,050 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 20:40:59,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 08:40:59 BasicIcfg [2022-02-20 20:40:59,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 20:40:59,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 20:40:59,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 20:40:59,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 20:40:59,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:40:58" (3/4) ... [2022-02-20 20:40:59,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 20:40:59,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-02-20 20:40:59,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-02-20 20:40:59,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-02-20 20:40:59,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 20:40:59,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 20:40:59,090 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 20:40:59,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 20:40:59,092 INFO L158 Benchmark]: Toolchain (without parser) took 1828.75ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 65.4MB in the beginning and 72.7MB in the end (delta: -7.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,092 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 20:40:59,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.60ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 65.4MB in the beginning and 98.0MB in the end (delta: -32.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.40ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,093 INFO L158 Benchmark]: Boogie Preprocessor took 30.03ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,093 INFO L158 Benchmark]: RCFGBuilder took 371.13ms. Allocated memory is still 134.2MB. Free memory was 94.8MB in the beginning and 83.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,094 INFO L158 Benchmark]: TraceAbstraction took 824.31ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 74.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,094 INFO L158 Benchmark]: Witness Printer took 36.33ms. Allocated memory is still 134.2MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 20:40:59,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.60ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 65.4MB in the beginning and 98.0MB in the end (delta: -32.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.40ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.03ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.13ms. Allocated memory is still 134.2MB. Free memory was 94.8MB in the beginning and 83.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 824.31ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 74.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 36.33ms. Allocated memory is still 134.2MB. Free memory was 74.8MB in the beginning and 72.7MB 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: 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-20 20:40:59,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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