./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.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_19-publish-precision_unknown_1_neg.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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 20:40:12,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 20:40:12,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 20:40:12,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 20:40:12,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 20:40:12,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 20:40:12,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 20:40:12,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 20:40:12,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 20:40:12,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 20:40:12,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 20:40:12,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 20:40:12,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 20:40:12,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 20:40:12,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 20:40:12,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 20:40:12,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 20:40:12,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 20:40:12,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 20:40:12,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 20:40:12,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 20:40:12,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 20:40:12,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 20:40:12,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 20:40:12,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 20:40:12,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 20:40:12,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 20:40:12,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 20:40:12,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 20:40:12,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 20:40:12,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 20:40:12,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 20:40:12,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 20:40:12,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 20:40:12,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 20:40:12,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 20:40:12,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 20:40:12,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 20:40:12,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 20:40:12,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 20:40:12,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 20:40:12,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 20:40:12,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 20:40:12,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 20:40:12,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 20:40:12,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 20:40:12,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 20:40:12,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 20:40:12,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 20:40:12,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 20:40:12,165 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 20:40:12,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 20:40:12,166 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 20:40:12,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 20:40:12,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 20:40:12,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 20:40:12,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 20:40:12,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 20:40:12,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 20:40:12,167 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 20:40:12,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 20:40:12,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 20:40:12,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 20:40:12,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 20:40:12,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 20:40:12,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 20:40:12,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:40:12,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 20:40:12,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 20:40:12,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 20:40:12,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 20:40:12,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 20:40:12,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 20:40:12,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 20:40:12,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 20:40:12,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-02-20 20:40:12,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 20:40:12,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 20:40:12,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 20:40:12,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 20:40:12,342 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 20:40:12,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-20 20:40:12,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad14f82f/d46fba23c0f84c18855c10f20d27787c/FLAG97f147c25 [2022-02-20 20:40:12,719 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 20:40:12,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-20 20:40:12,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad14f82f/d46fba23c0f84c18855c10f20d27787c/FLAG97f147c25 [2022-02-20 20:40:13,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad14f82f/d46fba23c0f84c18855c10f20d27787c [2022-02-20 20:40:13,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 20:40:13,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 20:40:13,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 20:40:13,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 20:40:13,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 20:40:13,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39673529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13, skipping insertion in model container [2022-02-20 20:40:13,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 20:40:13,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 20:40:13,287 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-02-20 20:40:13,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:40:13,371 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 20:40:13,387 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_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-02-20 20:40:13,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:40:13,463 INFO L208 MainTranslator]: Completed translation [2022-02-20 20:40:13,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13 WrapperNode [2022-02-20 20:40:13,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 20:40:13,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 20:40:13,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 20:40:13,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 20:40:13,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,522 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-20 20:40:13,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 20:40:13,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 20:40:13,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 20:40:13,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 20:40:13,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 20:40:13,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 20:40:13,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 20:40:13,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 20:40:13,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (1/1) ... [2022-02-20 20:40:13,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:40:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 20:40:13,559 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 20:40:13,571 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 20:40:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 20:40:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 20:40:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-20 20:40:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 20:40:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 20:40:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-20 20:40:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-20 20:40:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 20:40:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 20:40:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 20:40:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 20:40:13,596 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 20:40:13,675 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 20:40:13,676 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 20:40:13,803 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 20:40:13,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 20:40:13,808 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 20:40:13,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:40:13 BoogieIcfgContainer [2022-02-20 20:40:13,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 20:40:13,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 20:40:13,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 20:40:13,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 20:40:13,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 08:40:13" (1/3) ... [2022-02-20 20:40:13,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dcb3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:40:13, skipping insertion in model container [2022-02-20 20:40:13,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:40:13" (2/3) ... [2022-02-20 20:40:13,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dcb3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:40:13, skipping insertion in model container [2022-02-20 20:40:13,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:40:13" (3/3) ... [2022-02-20 20:40:13,816 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-20 20:40:13,819 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 20:40:13,819 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 20:40:13,819 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 20:40:13,819 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 20:40:13,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,857 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,858 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,858 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,858 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,864 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,865 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:40:13,871 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-20 20:40:13,898 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:40:13,902 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 20:40:13,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-20 20:40:13,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-02-20 20:40:13,946 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2022-02-20 20:40:13,946 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-02-20 20:40:13,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-02-20 20:40:13,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-02-20 20:40:13,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-02-20 20:40:13,960 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2022-02-20 20:40:13,960 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:40:13,960 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:40:13,960 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, 1, 1, 1, 1] [2022-02-20 20:40:13,961 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-20 20:40:13,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:40:13,964 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-20 20:40:13,970 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:40:13,970 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440470089] [2022-02-20 20:40:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:40:13,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:40:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:40:14,091 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 20:40:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:40:14,130 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 20:40:14,131 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 20:40:14,132 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-20 20:40:14,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-20 20:40:14,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 20:40:14,136 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 20:40:14,139 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 20:40:14,139 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 20:40:14,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 08:40:14 BasicIcfg [2022-02-20 20:40:14,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 20:40:14,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 20:40:14,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 20:40:14,169 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 20:40:14,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:40:13" (3/4) ... [2022-02-20 20:40:14,171 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-02-20 20:40:14,219 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 20:40:14,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 20:40:14,220 INFO L158 Benchmark]: Toolchain (without parser) took 1085.01ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 54.3MB in the end (delta: -3.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-02-20 20:40:14,221 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 20:40:14,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.03ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 69.7MB in the end (delta: -19.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 20:40:14,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.47ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 20:40:14,225 INFO L158 Benchmark]: Boogie Preprocessor took 14.44ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 20:40:14,225 INFO L158 Benchmark]: RCFGBuilder took 272.05ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 53.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 20:40:14,226 INFO L158 Benchmark]: TraceAbstraction took 357.30ms. Allocated memory is still 104.9MB. Free memory was 52.9MB in the beginning and 60.0MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 20:40:14,226 INFO L158 Benchmark]: Witness Printer took 50.68ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 54.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 20:40:14,227 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 0.15ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.03ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 69.7MB in the end (delta: -19.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.47ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.44ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 272.05ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 53.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 357.30ms. Allocated memory is still 104.9MB. Free memory was 52.9MB in the beginning and 60.0MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.68ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 54.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2022-02-20 20:40:14,253 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE