./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b3e50b8f852fe8799cb6ad900b216b16bf216ae ...................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b3e50b8f852fe8799cb6ad900b216b16bf216ae ................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 17:27:34,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:27:34,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:27:34,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:27:34,761 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:27:34,762 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:27:34,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:27:34,766 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:27:34,768 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:27:34,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:27:34,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:27:34,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:27:34,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:27:34,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:27:34,775 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:27:34,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:27:34,776 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:27:34,779 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:27:34,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:27:34,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:27:34,788 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:27:34,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:27:34,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:27:34,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:27:34,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:27:34,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:27:34,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:27:34,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:27:34,809 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:27:34,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:27:34,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:27:34,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:27:34,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:27:34,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:27:34,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:27:34,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:27:34,820 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:27:34,848 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:27:34,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:27:34,850 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:27:34,851 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:27:34,851 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:27:34,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:27:34,852 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:27:34,852 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:27:34,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:27:34,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:27:34,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:27:34,854 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:27:34,854 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:27:34,854 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:27:34,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:27:34,855 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:27:34,855 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:27:34,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:27:34,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:27:34,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:27:34,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:27:34,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:27:34,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:27:34,858 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:27:34,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:27:34,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:27:34,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 9b3e50b8f852fe8799cb6ad900b216b16bf216ae [2019-01-01 17:27:34,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:27:34,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:27:34,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:27:34,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:27:34,934 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:27:34,934 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i [2019-01-01 17:27:34,994 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab7f64c30/46d5684a101f455ab0f971e37edf5415/FLAG72173a532 [2019-01-01 17:27:35,480 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:27:35,481 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i [2019-01-01 17:27:35,494 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab7f64c30/46d5684a101f455ab0f971e37edf5415/FLAG72173a532 [2019-01-01 17:27:35,797 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab7f64c30/46d5684a101f455ab0f971e37edf5415 [2019-01-01 17:27:35,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:27:35,801 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:27:35,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:27:35,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:27:35,806 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:27:35,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:27:35" (1/1) ... [2019-01-01 17:27:35,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588abb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:35, skipping insertion in model container [2019-01-01 17:27:35,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:27:35" (1/1) ... [2019-01-01 17:27:35,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:27:35,880 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:27:36,234 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:27:36,242 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:27:36,307 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:27:36,364 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:27:36,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36 WrapperNode [2019-01-01 17:27:36,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:27:36,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:27:36,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:27:36,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:27:36,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (1/1) ... [2019-01-01 17:27:36,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:27:36,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:27:36,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:27:36,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:27:36,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (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 [2019-01-01 17:27:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:27:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:27:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:27:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:27:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:27:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:27:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:27:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:27:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:27:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:27:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:27:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:27:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:27:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:27:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:27:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:27:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:27:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:27:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:27:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:27:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:27:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:27:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:27:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:27:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:27:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:27:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:27:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:27:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:27:36,568 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:27:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:27:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:27:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:27:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:27:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:27:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:27:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:27:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:27:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:27:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:27:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 17:27:37,138 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:27:37,138 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-01 17:27:37,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:37 BoogieIcfgContainer [2019-01-01 17:27:37,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:27:37,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:27:37,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:27:37,146 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:27:37,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:27:35" (1/3) ... [2019-01-01 17:27:37,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bb58f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:27:37, skipping insertion in model container [2019-01-01 17:27:37,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:36" (2/3) ... [2019-01-01 17:27:37,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bb58f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:27:37, skipping insertion in model container [2019-01-01 17:27:37,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:37" (3/3) ... [2019-01-01 17:27:37,152 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-memtrack_true-termination.i [2019-01-01 17:27:37,164 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:27:37,179 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-01-01 17:27:37,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-01-01 17:27:37,228 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:27:37,229 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:27:37,229 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:27:37,229 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:27:37,230 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:27:37,230 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:27:37,231 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:27:37,231 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:27:37,231 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:27:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-01 17:27:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:27:37,258 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:37,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:37,261 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-01 17:27:37,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:37,266 INFO L82 PathProgramCache]: Analyzing trace with hash 539516245, now seen corresponding path program 1 times [2019-01-01 17:27:37,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:27:37,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:27:37,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:37,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:37,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:37,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:37,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:37,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:37,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:37,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:37,490 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-01-01 17:27:37,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:37,612 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-01-01 17:27:37,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:37,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:27:37,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:37,625 INFO L225 Difference]: With dead ends: 18 [2019-01-01 17:27:37,625 INFO L226 Difference]: Without dead ends: 15 [2019-01-01 17:27:37,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-01 17:27:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-01 17:27:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-01 17:27:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-01-01 17:27:37,665 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-01-01 17:27:37,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:37,665 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-01-01 17:27:37,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-01-01 17:27:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:27:37,666 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:37,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:37,666 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-01 17:27:37,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:37,667 INFO L82 PathProgramCache]: Analyzing trace with hash 539516246, now seen corresponding path program 1 times [2019-01-01 17:27:37,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:27:37,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:27:37,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:37,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:37,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:37,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:37,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:37,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:37,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:37,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:37,833 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 3 states. [2019-01-01 17:27:37,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:37,936 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-01-01 17:27:37,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:37,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:27:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:37,938 INFO L225 Difference]: With dead ends: 12 [2019-01-01 17:27:37,938 INFO L226 Difference]: Without dead ends: 12 [2019-01-01 17:27:37,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:37,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-01 17:27:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-01 17:27:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-01 17:27:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-01-01 17:27:37,945 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-01-01 17:27:37,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:37,945 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-01-01 17:27:37,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-01-01 17:27:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 17:27:37,946 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:37,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:37,946 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-01 17:27:37,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:37,947 INFO L82 PathProgramCache]: Analyzing trace with hash -279678759, now seen corresponding path program 1 times [2019-01-01 17:27:37,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:27:37,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:27:37,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:37,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:37,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:38,080 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 17:27:38,101 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 17:27:38,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:27:38 BoogieIcfgContainer [2019-01-01 17:27:38,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:27:38,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:27:38,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:27:38,118 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:27:38,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:37" (3/4) ... [2019-01-01 17:27:38,123 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 17:27:38,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:27:38,125 INFO L168 Benchmark]: Toolchain (without parser) took 2324.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:38,127 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-01 17:27:38,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.01 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:38,129 INFO L168 Benchmark]: Boogie Preprocessor took 137.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:38,131 INFO L168 Benchmark]: RCFGBuilder took 636.97 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:38,131 INFO L168 Benchmark]: TraceAbstraction took 974.97 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:38,133 INFO L168 Benchmark]: Witness Printer took 6.91 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. [2019-01-01 17:27:38,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 563.01 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 636.97 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 974.97 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.91 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 619]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 619. Possible FailurePath: [L621-L628] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] data.p0 = malloc(37U) VAL [data={1:0}, malloc(37U)={3:0}] [L630] data.str.p2 = &data VAL [data={1:0}, malloc(37U)={3:0}] [L631] data.str.c[1] = sizeof data.str.p1 VAL [data={1:0}, malloc(37U)={3:0}] [L632] return 0; [L632] return 0; VAL [\result=0, malloc(37U)={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 7 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 9 SDslu, 12 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2019-01-01 17:27:40,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:27:40,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:27:40,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:27:40,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:27:40,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:27:40,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:27:40,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:27:40,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:27:40,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:27:40,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:27:40,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:27:40,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:27:40,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:27:40,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:27:40,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:27:40,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:27:40,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:27:40,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:27:40,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:27:40,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:27:40,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:27:40,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:27:40,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:27:40,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:27:40,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:27:40,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:27:40,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:27:40,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:27:40,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:27:40,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:27:40,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:27:40,539 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:27:40,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:27:40,540 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:27:40,544 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:27:40,544 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 17:27:40,572 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:27:40,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:27:40,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:27:40,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:27:40,575 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:27:40,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:27:40,576 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:27:40,576 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:27:40,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:27:40,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:27:40,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:27:40,577 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:27:40,577 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:27:40,577 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:27:40,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:27:40,577 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 17:27:40,577 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 17:27:40,578 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:27:40,580 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:27:40,580 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:27:40,580 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:27:40,580 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:27:40,581 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:27:40,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:27:40,581 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:27:40,581 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:27:40,582 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 17:27:40,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:27:40,583 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 17:27:40,583 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 9b3e50b8f852fe8799cb6ad900b216b16bf216ae [2019-01-01 17:27:40,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:27:40,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:27:40,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:27:40,663 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:27:40,664 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:27:40,664 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i [2019-01-01 17:27:40,722 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b6be701/03b315f9773f40949aa7037ae47ea7e9/FLAGf746af045 [2019-01-01 17:27:41,241 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:27:41,241 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/test-0158_false-valid-memtrack_true-termination.i [2019-01-01 17:27:41,253 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b6be701/03b315f9773f40949aa7037ae47ea7e9/FLAGf746af045 [2019-01-01 17:27:41,744 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b6be701/03b315f9773f40949aa7037ae47ea7e9 [2019-01-01 17:27:41,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:27:41,749 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:27:41,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:27:41,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:27:41,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:27:41,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:27:41" (1/1) ... [2019-01-01 17:27:41,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12db68d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:41, skipping insertion in model container [2019-01-01 17:27:41,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:27:41" (1/1) ... [2019-01-01 17:27:41,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:27:41,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:27:42,154 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:27:42,163 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:27:42,308 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:27:42,378 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:27:42,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42 WrapperNode [2019-01-01 17:27:42,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:27:42,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:27:42,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:27:42,380 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:27:42,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (1/1) ... [2019-01-01 17:27:42,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:27:42,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:27:42,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:27:42,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:27:42,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (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 [2019-01-01 17:27:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:27:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:27:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:27:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:27:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:27:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:27:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:27:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:27:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:27:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:27:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:27:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:27:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:27:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:27:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:27:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:27:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:27:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:27:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:27:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:27:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:27:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:27:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:27:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:27:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:27:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:27:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:27:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:27:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:27:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:27:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:27:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:27:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:27:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:27:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:27:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:27:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:27:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:27:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:27:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:27:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:27:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:27:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:27:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:27:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:27:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:27:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:27:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:27:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:27:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:27:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:27:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:27:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:27:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:27:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:27:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:27:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:27:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:27:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:27:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-01 17:27:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:27:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:27:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:27:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-01 17:27:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:27:43,166 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:27:43,166 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-01 17:27:43,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:43 BoogieIcfgContainer [2019-01-01 17:27:43,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:27:43,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:27:43,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:27:43,171 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:27:43,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:27:41" (1/3) ... [2019-01-01 17:27:43,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d838395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:27:43, skipping insertion in model container [2019-01-01 17:27:43,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:42" (2/3) ... [2019-01-01 17:27:43,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d838395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:27:43, skipping insertion in model container [2019-01-01 17:27:43,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:43" (3/3) ... [2019-01-01 17:27:43,175 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-memtrack_true-termination.i [2019-01-01 17:27:43,185 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:27:43,192 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-01-01 17:27:43,207 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-01-01 17:27:43,232 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:27:43,233 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:27:43,233 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:27:43,233 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:27:43,233 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:27:43,233 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:27:43,233 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:27:43,234 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:27:43,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:27:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-01 17:27:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:27:43,254 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:43,255 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:43,257 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2019-01-01 17:27:43,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:43,263 INFO L82 PathProgramCache]: Analyzing trace with hash 539516245, now seen corresponding path program 1 times [2019-01-01 17:27:43,266 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:43,267 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:27:43,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:43,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:43,478 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 17:27:43,485 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2019-01-01 17:27:43,500 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-01-01 17:27:43,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 17:27:43,525 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:27:43,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 17:27:43,565 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-01-01 17:27:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:43,637 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:43,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:43,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:43,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:43,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:43,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:43,661 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-01-01 17:27:43,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:43,827 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-01-01 17:27:43,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:43,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:27:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:43,840 INFO L225 Difference]: With dead ends: 18 [2019-01-01 17:27:43,840 INFO L226 Difference]: Without dead ends: 15 [2019-01-01 17:27:43,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:43,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-01 17:27:43,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-01 17:27:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-01 17:27:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-01-01 17:27:43,873 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-01-01 17:27:43,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:43,873 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-01-01 17:27:43,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-01-01 17:27:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:27:43,874 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:43,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:43,875 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2019-01-01 17:27:43,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:43,875 INFO L82 PathProgramCache]: Analyzing trace with hash 539516246, now seen corresponding path program 1 times [2019-01-01 17:27:43,875 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:43,876 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:27:43,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:43,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:43,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-01 17:27:43,971 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 17:27:43,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-01 17:27:43,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 17:27:43,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:27:44,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-01 17:27:44,132 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 17:27:44,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 17:27:44,144 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-01-01 17:27:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:44,160 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:44,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:44,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:44,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:44,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:44,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:44,165 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 3 states. [2019-01-01 17:27:44,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:44,200 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-01-01 17:27:44,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:44,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:27:44,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:44,202 INFO L225 Difference]: With dead ends: 12 [2019-01-01 17:27:44,202 INFO L226 Difference]: Without dead ends: 12 [2019-01-01 17:27:44,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:44,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-01 17:27:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-01 17:27:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-01 17:27:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-01-01 17:27:44,206 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-01-01 17:27:44,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:44,207 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-01-01 17:27:44,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-01-01 17:27:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 17:27:44,207 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:44,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:44,208 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2019-01-01 17:27:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash -279678759, now seen corresponding path program 1 times [2019-01-01 17:27:44,209 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:44,209 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:27:44,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:44,392 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 17:27:44,420 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 17:27:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:27:44 BoogieIcfgContainer [2019-01-01 17:27:44,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:27:44,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:27:44,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:27:44,446 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:27:44,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:43" (3/4) ... [2019-01-01 17:27:44,453 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 17:27:44,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:27:44,454 INFO L168 Benchmark]: Toolchain (without parser) took 2705.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -73.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:44,456 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:44,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:44,458 INFO L168 Benchmark]: Boogie Preprocessor took 64.27 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. [2019-01-01 17:27:44,459 INFO L168 Benchmark]: RCFGBuilder took 722.27 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:44,460 INFO L168 Benchmark]: TraceAbstraction took 1276.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:44,464 INFO L168 Benchmark]: Witness Printer took 7.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:44,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 628.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.27 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 722.27 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1276.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. * Witness Printer took 7.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 619]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 619. Possible FailurePath: [L621-L628] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L629] data.p0 = malloc(37U) VAL [data={4:0}, malloc(37U)={6:0}] [L630] data.str.p2 = &data VAL [data={4:0}, malloc(37U)={6:0}] [L631] data.str.c[1] = sizeof data.str.p1 VAL [data={4:0}, malloc(37U)={6:0}] [L632] return 0; [L632] return 0; VAL [\result=0, malloc(37U)={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 7 error locations. UNSAFE Result, 1.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 9 SDslu, 12 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 2 QuantifiedInterpolants, 288 SizeOfPredicates, 2 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...