./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5f5aaf67a26d8d63c558ff93d16121c180b5259 ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:38:06,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:38:06,926 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:38:06,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:38:06,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:38:06,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:38:06,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:38:06,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:38:06,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:38:06,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:38:06,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:38:06,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:38:06,940 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:38:06,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:38:06,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:38:06,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:38:06,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:38:06,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:38:06,943 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:38:06,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:38:06,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:38:06,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:38:06,947 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:38:06,947 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:38:06,947 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:38:06,948 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:38:06,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:38:06,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:38:06,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:38:06,950 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:38:06,950 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:38:06,950 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:38:06,950 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:38:06,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:38:06,951 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:38:06,951 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:38:06,951 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 06:38:06,960 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:38:06,960 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:38:06,961 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:38:06,961 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:38:06,961 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:38:06,962 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:38:06,962 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 06:38:06,962 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:38:06,962 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:38:06,962 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:38:06,962 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:38:06,962 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:38:06,963 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:38:06,963 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:38:06,964 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:38:06,964 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 06:38:06,965 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:38:06,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:38:06,965 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer 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(__VERIFIER_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 -> e5f5aaf67a26d8d63c558ff93d16121c180b5259 [2018-12-02 06:38:06,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:38:06,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:38:06,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:38:06,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:38:06,997 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:38:06,997 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i [2018-12-02 06:38:07,037 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/data/aaec02666/cfa980f8935b4f18a8c602ec59633e0a/FLAG523e11c5b [2018-12-02 06:38:07,526 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:38:07,526 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/sv-benchmarks/c/pthread/stateful01_false-unreach-call.i [2018-12-02 06:38:07,536 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/data/aaec02666/cfa980f8935b4f18a8c602ec59633e0a/FLAG523e11c5b [2018-12-02 06:38:07,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/data/aaec02666/cfa980f8935b4f18a8c602ec59633e0a [2018-12-02 06:38:07,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:38:07,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:38:07,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:38:07,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:38:07,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:38:07,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178df10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07, skipping insertion in model container [2018-12-02 06:38:07,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:38:07,586 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:38:07,755 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:38:07,766 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:38:07,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:38:07,863 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:38:07,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07 WrapperNode [2018-12-02 06:38:07,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:38:07,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:38:07,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:38:07,864 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:38:07,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:38:07,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:38:07,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:38:07,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:38:07,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2018-12-02 06:38:07,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:38:07,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:38:07,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:38:07,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:38:07,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:38:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:38:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 06:38:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-12-02 06:38:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-12-02 06:38:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-12-02 06:38:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-12-02 06:38:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 06:38:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-02 06:38:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:38:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:38:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:38:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:38:07,958 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 06:38:08,148 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:38:08,148 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 06:38:08,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:08 BoogieIcfgContainer [2018-12-02 06:38:08,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:38:08,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:38:08,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:38:08,152 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:38:08,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:38:07" (1/3) ... [2018-12-02 06:38:08,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fea73a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:08, skipping insertion in model container [2018-12-02 06:38:08,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (2/3) ... [2018-12-02 06:38:08,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fea73a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:08, skipping insertion in model container [2018-12-02 06:38:08,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:08" (3/3) ... [2018-12-02 06:38:08,154 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01_false-unreach-call.i [2018-12-02 06:38:08,176 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,176 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,177 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,177 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,177 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,177 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,177 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,179 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,179 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,180 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,180 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,180 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,180 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,180 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,180 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,181 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,181 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:38:08,191 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 06:38:08,192 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:38:08,197 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:38:08,207 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:38:08,223 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:38:08,223 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:38:08,223 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:38:08,223 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:38:08,223 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:38:08,223 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:38:08,223 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:38:08,223 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:38:08,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:38:08,229 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75places, 75 transitions [2018-12-02 06:38:08,259 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 746 states. [2018-12-02 06:38:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states. [2018-12-02 06:38:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 06:38:08,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:38:08,274 INFO L402 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:38:08,275 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:38:08,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:38:08,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1733771246, now seen corresponding path program 1 times [2018-12-02 06:38:08,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:38:08,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:38:08,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:38:08,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:38:08,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:38:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:38:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:38:08,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:38:08,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:38:08,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:38:08,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:38:08,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:38:08,424 INFO L87 Difference]: Start difference. First operand 746 states. Second operand 3 states. [2018-12-02 06:38:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:38:08,464 INFO L93 Difference]: Finished difference Result 566 states and 1170 transitions. [2018-12-02 06:38:08,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:38:08,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-02 06:38:08,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:38:08,474 INFO L225 Difference]: With dead ends: 566 [2018-12-02 06:38:08,474 INFO L226 Difference]: Without dead ends: 558 [2018-12-02 06:38:08,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:38:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-12-02 06:38:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2018-12-02 06:38:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-02 06:38:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1162 transitions. [2018-12-02 06:38:08,514 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1162 transitions. Word has length 64 [2018-12-02 06:38:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:38:08,514 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 1162 transitions. [2018-12-02 06:38:08,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:38:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1162 transitions. [2018-12-02 06:38:08,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 06:38:08,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:38:08,516 INFO L402 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:38:08,516 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:38:08,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:38:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash 702345874, now seen corresponding path program 2 times [2018-12-02 06:38:08,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:38:08,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:38:08,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:38:08,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:38:08,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:38:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:38:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:38:08,574 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 06:38:08,604 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 06:38:08,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:38:08 BasicIcfg [2018-12-02 06:38:08,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:38:08,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:38:08,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:38:08,605 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:38:08,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:08" (3/4) ... [2018-12-02 06:38:08,607 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 06:38:08,642 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97696430-f685-4f66-a555-001eefa5a4a3/bin-2019/uautomizer/witness.graphml [2018-12-02 06:38:08,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:38:08,642 INFO L168 Benchmark]: Toolchain (without parser) took 1095.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 974.1 MB in the end (delta: -23.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:38:08,643 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:38:08,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:38:08,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:38:08,644 INFO L168 Benchmark]: Boogie Preprocessor took 18.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:38:08,644 INFO L168 Benchmark]: RCFGBuilder took 236.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:38:08,644 INFO L168 Benchmark]: TraceAbstraction took 455.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.7 MB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:38:08,645 INFO L168 Benchmark]: Witness Printer took 36.99 ms. Allocated memory is still 1.1 GB. Free memory was 984.7 MB in the beginning and 974.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:38:08,646 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 236.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 455.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.7 MB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * Witness Printer took 36.99 ms. Allocated memory is still 1.1 GB. Free memory was 984.7 MB in the beginning and 974.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1245]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1196] -1 pthread_mutex_t ma, mb; VAL [ma={28:0}, mb={27:0}] [L1197] -1 int data1, data2; VAL [data1=0, data2=0, ma={28:0}, mb={27:0}] [L1229] -1 pthread_t t1, t2; VAL [data1=0, data2=0, ma={28:0}, mb={27:0}] [L1234] -1 data1 = 10 VAL [data1=10, data2=0, ma={28:0}, mb={27:0}] [L1235] -1 data2 = 10 VAL [data1=10, data2=10, ma={28:0}, mb={27:0}] [L1237] FCALL, FORK -1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={28:0}, mb={27:0}] [L1238] FCALL, FORK -1 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={28:0}, mb={27:0}] [L1216] 1 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={28:0}, mb={27:0}] [L1240] -1 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={28:0}, mb={27:0}] [L1202] 0 data1++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=10, ma={28:0}, mb={27:0}] [L1206] 0 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={28:0}, mb={27:0}] [L1209] 0 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={28:0}, mb={27:0}] [L1240] FCALL, JOIN 0 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={28:0}, mb={27:0}] [L1241] -1 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={28:0}, mb={27:0}] [L1220] 1 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={28:0}, mb={27:0}] [L1223] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={28:0}, mb={27:0}] [L1241] FCALL, JOIN 1 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={28:0}, mb={27:0}] [L1243] COND TRUE -1 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={28:0}, mb={27:0}] [L1245] -1 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={28:0}, mb={27:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 103 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 26 SDslu, 46 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=746occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 4725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...