./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_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/array-memsafety/stroeder2-alloca_true-valid-memsafety_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 653582a7b000e4f324410c98077c6ee21baa5247 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 17:14:24,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:14:24,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:14:24,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:14:24,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:14:24,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:14:24,778 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:14:24,780 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:14:24,782 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:14:24,783 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:14:24,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:14:24,784 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:14:24,785 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:14:24,786 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:14:24,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:14:24,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:14:24,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:14:24,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:14:24,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:14:24,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:14:24,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:14:24,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:14:24,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:14:24,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:14:24,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:14:24,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:14:24,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:14:24,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:14:24,806 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:14:24,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:14:24,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:14:24,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:14:24,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:14:24,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:14:24,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:14:24,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:14:24,812 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:14:24,829 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:14:24,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:14:24,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:14:24,831 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:14:24,831 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:14:24,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:14:24,831 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:14:24,832 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:14:24,832 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:14:24,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:14:24,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:14:24,833 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:14:24,833 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:14:24,833 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:14:24,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:14:24,834 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:14:24,834 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:14:24,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:14:24,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:14:24,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:14:24,836 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:14:24,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:14:24,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:14:24,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:14:24,837 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:14:24,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:14:24,837 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 -> 653582a7b000e4f324410c98077c6ee21baa5247 [2019-01-01 17:14:24,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:14:24,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:14:24,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:14:24,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:14:24,895 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:14:24,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:14:24,964 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6608b83/e95f59dffa4c4c38bbc5016af7ae4071/FLAGbe4c45e28 [2019-01-01 17:14:25,480 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:14:25,481 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:14:25,504 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6608b83/e95f59dffa4c4c38bbc5016af7ae4071/FLAGbe4c45e28 [2019-01-01 17:14:25,778 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6608b83/e95f59dffa4c4c38bbc5016af7ae4071 [2019-01-01 17:14:25,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:14:25,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:14:25,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:14:25,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:14:25,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:14:25,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:14:25" (1/1) ... [2019-01-01 17:14:25,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb50172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:25, skipping insertion in model container [2019-01-01 17:14:25,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:14:25" (1/1) ... [2019-01-01 17:14:25,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:14:25,863 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:14:26,291 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:14:26,316 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:14:26,387 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:14:26,571 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:14:26,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26 WrapperNode [2019-01-01 17:14:26,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:14:26,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:14:26,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:14:26,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:14:26,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (1/1) ... [2019-01-01 17:14:26,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:14:26,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:14:26,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:14:26,674 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:14:26,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (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 17:14:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:14:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:14:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 17:14:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 17:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2019-01-01 17:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:14:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 17:14:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 17:14:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:14:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:14:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:14:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:14:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:14:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:14:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:14:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:14:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:14:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:14:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:14:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:14:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:14:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:14:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:14:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:14:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:14:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:14:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:14:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:14:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:14:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:14:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:14:27,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:14:27,433 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-01 17:14:27,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:14:27 BoogieIcfgContainer [2019-01-01 17:14:27,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:14:27,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:14:27,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:14:27,440 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:14:27,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:14:25" (1/3) ... [2019-01-01 17:14:27,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb31f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:14:27, skipping insertion in model container [2019-01-01 17:14:27,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:14:26" (2/3) ... [2019-01-01 17:14:27,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb31f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:14:27, skipping insertion in model container [2019-01-01 17:14:27,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:14:27" (3/3) ... [2019-01-01 17:14:27,445 INFO L112 eAbstractionObserver]: Analyzing ICFG stroeder2-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:14:27,456 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:14:27,466 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-01-01 17:14:27,485 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-01-01 17:14:27,515 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:14:27,515 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:14:27,516 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:14:27,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:14:27,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:14:27,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:14:27,516 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:14:27,517 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:14:27,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:14:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-01-01 17:14:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-01 17:14:27,544 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:14:27,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:14:27,548 INFO L423 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr5REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, sumOfThirdBytesErr4REQUIRES_VIOLATION, sumOfThirdBytesErr3REQUIRES_VIOLATION, sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:14:27,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:14:27,554 INFO L82 PathProgramCache]: Analyzing trace with hash 599458053, now seen corresponding path program 1 times [2019-01-01 17:14:27,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:14:27,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:14:27,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:27,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:27,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:27,845 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 17:14:27,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:14:27,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:14:27,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 17:14:27,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 17:14:27,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:14:27,873 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 6 states. [2019-01-01 17:14:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:14:28,177 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2019-01-01 17:14:28,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 17:14:28,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-01 17:14:28,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:14:28,194 INFO L225 Difference]: With dead ends: 34 [2019-01-01 17:14:28,195 INFO L226 Difference]: Without dead ends: 31 [2019-01-01 17:14:28,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-01 17:14:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-01 17:14:28,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2019-01-01 17:14:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-01 17:14:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-01-01 17:14:28,247 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 12 [2019-01-01 17:14:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:14:28,248 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-01-01 17:14:28,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 17:14:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-01-01 17:14:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-01 17:14:28,249 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:14:28,249 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:14:28,250 INFO L423 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr5REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, sumOfThirdBytesErr4REQUIRES_VIOLATION, sumOfThirdBytesErr3REQUIRES_VIOLATION, sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:14:28,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:14:28,250 INFO L82 PathProgramCache]: Analyzing trace with hash 599458054, now seen corresponding path program 1 times [2019-01-01 17:14:28,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:14:28,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:14:28,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:28,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:28,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:28,477 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 17:14:28,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:14:28,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:14:28,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 17:14:28,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 17:14:28,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:14:28,480 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 6 states. [2019-01-01 17:14:28,792 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 17:14:29,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:14:29,015 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-01-01 17:14:29,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 17:14:29,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-01 17:14:29,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:14:29,017 INFO L225 Difference]: With dead ends: 42 [2019-01-01 17:14:29,018 INFO L226 Difference]: Without dead ends: 42 [2019-01-01 17:14:29,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-01-01 17:14:29,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-01 17:14:29,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2019-01-01 17:14:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-01 17:14:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2019-01-01 17:14:29,026 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 12 [2019-01-01 17:14:29,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:14:29,027 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2019-01-01 17:14:29,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 17:14:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2019-01-01 17:14:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 17:14:29,028 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:14:29,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:14:29,029 INFO L423 AbstractCegarLoop]: === Iteration 3 === [sumOfThirdBytesErr5REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, sumOfThirdBytesErr4REQUIRES_VIOLATION, sumOfThirdBytesErr3REQUIRES_VIOLATION, sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:14:29,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:14:29,029 INFO L82 PathProgramCache]: Analyzing trace with hash -629259034, now seen corresponding path program 1 times [2019-01-01 17:14:29,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:14:29,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:14:29,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:29,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:29,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:29,111 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 17:14:29,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:14:29,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:14:29,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:14:29,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:14:29,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:14:29,113 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 5 states. [2019-01-01 17:14:29,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:14:29,182 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2019-01-01 17:14:29,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:14:29,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-01 17:14:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:14:29,184 INFO L225 Difference]: With dead ends: 38 [2019-01-01 17:14:29,185 INFO L226 Difference]: Without dead ends: 35 [2019-01-01 17:14:29,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:14:29,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-01 17:14:29,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2019-01-01 17:14:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-01 17:14:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2019-01-01 17:14:29,191 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 16 [2019-01-01 17:14:29,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:14:29,191 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2019-01-01 17:14:29,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:14:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2019-01-01 17:14:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 17:14:29,192 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:14:29,192 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:14:29,193 INFO L423 AbstractCegarLoop]: === Iteration 4 === [sumOfThirdBytesErr5REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, sumOfThirdBytesErr4REQUIRES_VIOLATION, sumOfThirdBytesErr3REQUIRES_VIOLATION, sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:14:29,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:14:29,193 INFO L82 PathProgramCache]: Analyzing trace with hash -593818919, now seen corresponding path program 1 times [2019-01-01 17:14:29,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:14:29,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:14:29,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:29,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:29,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:14:29,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 17:14:29,395 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 17:14:29,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:29,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:14:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:14:29,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-01 17:14:29,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2019-01-01 17:14:29,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-01 17:14:29,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-01 17:14:29,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-01-01 17:14:29,579 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 12 states. [2019-01-01 17:14:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:14:29,945 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2019-01-01 17:14:29,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 17:14:29,947 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2019-01-01 17:14:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:14:29,948 INFO L225 Difference]: With dead ends: 52 [2019-01-01 17:14:29,948 INFO L226 Difference]: Without dead ends: 52 [2019-01-01 17:14:29,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2019-01-01 17:14:29,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-01 17:14:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2019-01-01 17:14:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-01 17:14:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2019-01-01 17:14:29,957 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 16 [2019-01-01 17:14:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:14:29,957 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2019-01-01 17:14:29,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-01 17:14:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2019-01-01 17:14:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 17:14:29,958 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:14:29,959 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:14:29,959 INFO L423 AbstractCegarLoop]: === Iteration 5 === [sumOfThirdBytesErr5REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, sumOfThirdBytesErr4REQUIRES_VIOLATION, sumOfThirdBytesErr3REQUIRES_VIOLATION, sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:14:29,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:14:29,961 INFO L82 PathProgramCache]: Analyzing trace with hash -986845929, now seen corresponding path program 1 times [2019-01-01 17:14:29,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:14:29,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:14:29,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:29,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:29,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:14:30,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 17:14:30,260 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 17:14:30,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:30,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:14:30,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2019-01-01 17:14:30,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 17:14:30,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:14:30,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-01-01 17:14:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:14:30,686 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 17:14:30,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-01-01 17:14:30,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-01 17:14:30,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-01 17:14:30,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2019-01-01 17:14:30,687 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 13 states. [2019-01-01 17:14:31,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:14:31,090 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2019-01-01 17:14:31,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 17:14:31,091 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 16 [2019-01-01 17:14:31,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:14:31,092 INFO L225 Difference]: With dead ends: 51 [2019-01-01 17:14:31,092 INFO L226 Difference]: Without dead ends: 51 [2019-01-01 17:14:31,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2019-01-01 17:14:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-01-01 17:14:31,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2019-01-01 17:14:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-01 17:14:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-01-01 17:14:31,101 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 16 [2019-01-01 17:14:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:14:31,101 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-01-01 17:14:31,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-01 17:14:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-01-01 17:14:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 17:14:31,102 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:14:31,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:14:31,103 INFO L423 AbstractCegarLoop]: === Iteration 6 === [sumOfThirdBytesErr5REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, sumOfThirdBytesErr4REQUIRES_VIOLATION, sumOfThirdBytesErr3REQUIRES_VIOLATION, sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:14:31,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:14:31,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1378931399, now seen corresponding path program 1 times [2019-01-01 17:14:31,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:14:31,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:14:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:31,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:14:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:14:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:14:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-01 17:14:31,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:14:31,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 17:14:31,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:14:31,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:14:31,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:14:31,176 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 4 states. [2019-01-01 17:14:31,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:14:31,244 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2019-01-01 17:14:31,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 17:14:31,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-01 17:14:31,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:14:31,246 INFO L225 Difference]: With dead ends: 39 [2019-01-01 17:14:31,246 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 17:14:31,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:14:31,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 17:14:31,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 17:14:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 17:14:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 17:14:31,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-01 17:14:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:14:31,249 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 17:14:31,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:14:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 17:14:31,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 17:14:31,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:14:31 BoogieIcfgContainer [2019-01-01 17:14:31,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:14:31,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:14:31,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:14:31,258 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:14:31,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:14:27" (3/4) ... [2019-01-01 17:14:31,264 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 17:14:31,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-01 17:14:31,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sumOfThirdBytes [2019-01-01 17:14:31,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-01-01 17:14:31,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-01-01 17:14:31,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-01 17:14:31,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-01-01 17:14:31,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-01 17:14:31,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-01 17:14:31,346 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 17:14:31,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:14:31,347 INFO L168 Benchmark]: Toolchain (without parser) took 5564.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.4 MB in the beginning and 872.2 MB in the end (delta: 79.1 MB). Peak memory consumption was 216.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:14:31,351 INFO L168 Benchmark]: CDTParser took 0.18 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 17:14:31,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-01-01 17:14:31,353 INFO L168 Benchmark]: Boogie Preprocessor took 97.23 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-01-01 17:14:31,358 INFO L168 Benchmark]: RCFGBuilder took 763.20 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:14:31,358 INFO L168 Benchmark]: TraceAbstraction took 3822.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.2 MB in the end (delta: 203.9 MB). Peak memory consumption was 203.9 MB. Max. memory is 11.5 GB. [2019-01-01 17:14:31,359 INFO L168 Benchmark]: Witness Printer took 88.35 ms. Allocated memory is still 1.2 GB. Free memory is still 872.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:14:31,367 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 786.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.23 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 763.20 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3822.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.2 MB in the end (delta: 203.9 MB). Peak memory consumption was 203.9 MB. Max. memory is 11.5 GB. * Witness Printer took 88.35 ms. Allocated memory is still 1.2 GB. Free memory is still 872.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 39 locations, 7 error locations. SAFE Result, 3.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 135 SDtfs, 283 SDslu, 402 SDs, 0 SdLazy, 281 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=4, 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, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 116 ConstructedInterpolants, 7 QuantifiedInterpolants, 8344 SizeOfPredicates, 12 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 6/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...