./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread/bigshot_p_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread/bigshot_p_false-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b863884eec533f764ccb8e1f322132da8a2b1dc7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2018-12-31 17:18:18,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:18:18,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:18:18,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:18:18,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:18:18,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:18:18,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:18:18,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:18:18,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:18:18,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:18:18,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:18:18,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:18:18,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:18:18,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:18:18,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:18:18,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:18:18,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:18:18,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:18:18,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:18:18,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:18:18,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:18:18,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:18:18,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:18:18,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:18:18,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:18:18,832 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:18:18,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:18:18,834 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:18:18,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:18:18,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:18:18,836 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:18:18,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:18:18,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:18:18,838 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:18:18,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:18:18,839 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:18:18,840 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:18:18,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:18:18,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:18:18,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:18:18,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:18:18,870 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:18:18,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:18:18,875 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:18:18,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:18:18,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:18:18,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:18:18,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:18:18,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:18:18,877 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:18:18,877 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:18:18,877 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:18:18,877 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:18:18,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:18:18,878 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:18:18,878 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:18:18,878 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:18:18,878 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:18:18,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:18:18,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:18:18,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:18:18,881 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:18:18,882 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:18:18,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:18:18,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:18:18,882 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 -> /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(__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 -> b863884eec533f764ccb8e1f322132da8a2b1dc7 [2018-12-31 17:18:18,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:18:18,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:18:18,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:18:18,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:18:18,975 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:18:18,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/bigshot_p_false-unreach-call.i [2018-12-31 17:18:19,038 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb1524e8/e46046703da24ba095eec4f914106627/FLAG2b62940ce [2018-12-31 17:18:19,630 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:18:19,631 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/bigshot_p_false-unreach-call.i [2018-12-31 17:18:19,654 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb1524e8/e46046703da24ba095eec4f914106627/FLAG2b62940ce [2018-12-31 17:18:19,851 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb1524e8/e46046703da24ba095eec4f914106627 [2018-12-31 17:18:19,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:18:19,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:18:19,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:18:19,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:18:19,868 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:18:19,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:18:19" (1/1) ... [2018-12-31 17:18:19,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4327ac50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:19, skipping insertion in model container [2018-12-31 17:18:19,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:18:19" (1/1) ... [2018-12-31 17:18:19,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:18:19,946 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:18:20,488 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:18:20,505 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:18:20,637 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:18:20,827 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:18:20,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20 WrapperNode [2018-12-31 17:18:20,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:18:20,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:18:20,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:18:20,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:18:20,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:18:20,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:18:20,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:18:20,917 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:18:20,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... [2018-12-31 17:18:20,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:18:20,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:18:20,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:18:20,952 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:18:20,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-12-31 17:18:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:18:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:18:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-31 17:18:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:18:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-12-31 17:18:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-12-31 17:18:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-12-31 17:18:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-12-31 17:18:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:18:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2018-12-31 17:18:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:18:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:18:21,017 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:18:21,620 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:18:21,620 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 17:18:21,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:18:21 BoogieIcfgContainer [2018-12-31 17:18:21,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:18:21,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:18:21,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:18:21,627 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:18:21,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:18:19" (1/3) ... [2018-12-31 17:18:21,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb92a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:18:21, skipping insertion in model container [2018-12-31 17:18:21,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:18:20" (2/3) ... [2018-12-31 17:18:21,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb92a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:18:21, skipping insertion in model container [2018-12-31 17:18:21,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:18:21" (3/3) ... [2018-12-31 17:18:21,633 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_p_false-unreach-call.i [2018-12-31 17:18:21,668 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,669 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,669 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,670 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,670 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,670 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,670 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,671 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,672 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,672 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,672 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,673 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,673 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,673 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,674 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,675 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,676 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,676 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,676 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,676 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,678 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,678 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,678 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,678 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,678 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,685 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,685 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,686 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,686 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,686 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,686 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,688 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,688 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,688 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,688 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,688 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,689 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:18:21,773 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:18:21,773 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:18:21,784 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 17:18:21,804 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 17:18:21,834 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:18:21,835 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:18:21,836 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:18:21,836 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:18:21,836 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:18:21,836 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:18:21,836 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:18:21,836 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:18:21,836 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:18:21,849 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 69 transitions [2018-12-31 17:18:21,910 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 538 states. [2018-12-31 17:18:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states. [2018-12-31 17:18:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-31 17:18:21,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:18:21,960 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] [2018-12-31 17:18:21,964 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:18:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:18:21,972 INFO L82 PathProgramCache]: Analyzing trace with hash -320626591, now seen corresponding path program 1 times [2018-12-31 17:18:21,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:18:21,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:18:22,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:22,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 17:18:22,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:18:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:18:22,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:18:22,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 17:18:22,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 17:18:22,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 17:18:22,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 17:18:22,617 INFO L87 Difference]: Start difference. First operand 538 states. Second operand 5 states. [2018-12-31 17:18:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:18:22,941 INFO L93 Difference]: Finished difference Result 839 states and 1944 transitions. [2018-12-31 17:18:22,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 17:18:22,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-31 17:18:22,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:18:22,973 INFO L225 Difference]: With dead ends: 839 [2018-12-31 17:18:22,974 INFO L226 Difference]: Without dead ends: 802 [2018-12-31 17:18:22,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 17:18:23,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2018-12-31 17:18:23,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 636. [2018-12-31 17:18:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2018-12-31 17:18:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1536 transitions. [2018-12-31 17:18:23,077 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1536 transitions. Word has length 38 [2018-12-31 17:18:23,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:18:23,078 INFO L480 AbstractCegarLoop]: Abstraction has 636 states and 1536 transitions. [2018-12-31 17:18:23,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 17:18:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1536 transitions. [2018-12-31 17:18:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-31 17:18:23,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:18:23,085 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] [2018-12-31 17:18:23,086 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:18:23,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:18:23,086 INFO L82 PathProgramCache]: Analyzing trace with hash 674837077, now seen corresponding path program 2 times [2018-12-31 17:18:23,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:18:23,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:18:23,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:23,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 17:18:23,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:18:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:18:23,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:18:23,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 17:18:23,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 17:18:23,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 17:18:23,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 17:18:23,230 INFO L87 Difference]: Start difference. First operand 636 states and 1536 transitions. Second operand 5 states. [2018-12-31 17:18:23,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:18:23,355 INFO L93 Difference]: Finished difference Result 640 states and 1539 transitions. [2018-12-31 17:18:23,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 17:18:23,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-31 17:18:23,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:18:23,361 INFO L225 Difference]: With dead ends: 640 [2018-12-31 17:18:23,362 INFO L226 Difference]: Without dead ends: 636 [2018-12-31 17:18:23,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 17:18:23,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2018-12-31 17:18:23,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2018-12-31 17:18:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2018-12-31 17:18:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1535 transitions. [2018-12-31 17:18:23,395 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1535 transitions. Word has length 38 [2018-12-31 17:18:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:18:23,396 INFO L480 AbstractCegarLoop]: Abstraction has 636 states and 1535 transitions. [2018-12-31 17:18:23,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 17:18:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1535 transitions. [2018-12-31 17:18:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-31 17:18:23,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:18:23,405 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] [2018-12-31 17:18:23,405 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:18:23,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:18:23,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1904543826, now seen corresponding path program 1 times [2018-12-31 17:18:23,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:18:23,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:18:23,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:23,413 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-31 17:18:23,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:18:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:18:23,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:18:23,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 17:18:23,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 17:18:23,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 17:18:23,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-31 17:18:23,649 INFO L87 Difference]: Start difference. First operand 636 states and 1535 transitions. Second operand 7 states. [2018-12-31 17:18:24,190 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-31 17:18:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:18:24,785 INFO L93 Difference]: Finished difference Result 828 states and 1934 transitions. [2018-12-31 17:18:24,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 17:18:24,786 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-12-31 17:18:24,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:18:24,792 INFO L225 Difference]: With dead ends: 828 [2018-12-31 17:18:24,792 INFO L226 Difference]: Without dead ends: 828 [2018-12-31 17:18:24,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-31 17:18:24,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-31 17:18:24,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 688. [2018-12-31 17:18:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2018-12-31 17:18:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1652 transitions. [2018-12-31 17:18:24,818 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1652 transitions. Word has length 40 [2018-12-31 17:18:24,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:18:24,819 INFO L480 AbstractCegarLoop]: Abstraction has 688 states and 1652 transitions. [2018-12-31 17:18:24,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 17:18:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1652 transitions. [2018-12-31 17:18:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-31 17:18:24,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:18:24,822 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] [2018-12-31 17:18:24,822 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:18:24,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:18:24,823 INFO L82 PathProgramCache]: Analyzing trace with hash 885188094, now seen corresponding path program 1 times [2018-12-31 17:18:24,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:18:24,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:18:24,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:24,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 17:18:24,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:18:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 17:18:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 17:18:24,939 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 17:18:24,969 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,971 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,971 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,972 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,973 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,973 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,975 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,975 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,975 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,976 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,976 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,978 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,978 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,979 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,980 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,980 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,981 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,981 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,983 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,983 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,984 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,985 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,986 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,986 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,987 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,988 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,988 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,988 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,990 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,990 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,991 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,991 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,993 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,993 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,993 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,994 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,995 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:24,995 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,021 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-31 17:18:25,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 05:18:25 BasicIcfg [2018-12-31 17:18:25,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 17:18:25,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 17:18:25,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 17:18:25,025 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 17:18:25,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:18:21" (3/4) ... [2018-12-31 17:18:25,029 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 17:18:25,040 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,041 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,042 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,042 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,042 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,042 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,043 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,043 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,043 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,043 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,046 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,046 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,046 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,046 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,048 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,048 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,048 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,048 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,050 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,050 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,050 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,050 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,051 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,051 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,051 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,051 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,054 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,054 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,054 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,055 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,056 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,056 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,056 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,056 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,057 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,057 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,057 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,058 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-31 17:18:25,118 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 17:18:25,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 17:18:25,119 INFO L168 Benchmark]: Toolchain (without parser) took 5259.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 904.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 191.2 MB. Max. memory is 11.5 GB. [2018-12-31 17:18:25,121 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:18:25,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-31 17:18:25,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:18:25,124 INFO L168 Benchmark]: Boogie Preprocessor took 34.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:18:25,124 INFO L168 Benchmark]: RCFGBuilder took 669.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-31 17:18:25,126 INFO L168 Benchmark]: TraceAbstraction took 3401.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.8 MB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. [2018-12-31 17:18:25,127 INFO L168 Benchmark]: Witness Printer took 93.86 ms. Allocated memory is still 1.2 GB. Free memory was 917.8 MB in the beginning and 904.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 17:18:25,132 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 966.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 669.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3401.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.8 MB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. * Witness Printer took 93.86 ms. Allocated memory is still 1.2 GB. Free memory was 917.8 MB in the beginning and 904.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1212]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1213] -1 char *v; VAL [v={0:0}] [L1226] -1 pthread_t t1, t2; VAL [v={0:0}] [L1227] FCALL, FORK -1 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1228] FCALL, FORK -1 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1221] COND FALSE 0 !(\read(*v)) VAL [v={0:0}] [L1222] 0 return 0; VAL [v={0:0}] [L1229] -1 \read(t1) VAL [v={0:0}] [L1216] 1 v = calloc(8, sizeof(char)) VAL [v={5:0}] [L1217] 1 return 0; VAL [v={5:0}] [L1229] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={5:0}] [L1230] -1 \read(t2) VAL [v={5:0}] [L1230] FCALL, JOIN 0 pthread_join(t2, 0) VAL [v={5:0}] [L1231] -1 !v || v[0] == 'B' VAL [v={5:0}] [L1231] EXPR -1 v[0] VAL [v={5:0}] [L1231] -1 !v || v[0] == 'B' VAL [v={5:0}] [L1212] COND TRUE -1 !expression VAL [v={5:0}] [L1212] -1 __VERIFIER_error() VAL [v={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 90 locations, 1 error locations. UNSAFE Result, 3.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 234 SDtfs, 369 SDslu, 446 SDs, 0 SdLazy, 133 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 306 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 13918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...