./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e 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/lockfree-3.2_false-valid-memtrack.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 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/lockfree-3.2_false-valid-memtrack.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 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:45:14,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:45:14,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:45:14,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:45:14,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:45:14,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:45:14,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:45:14,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:45:14,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:45:14,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:45:14,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:45:14,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:45:14,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:45:14,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:45:14,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:45:14,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:45:14,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:45:14,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:45:14,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:45:14,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:45:14,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:45:14,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:45:14,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:45:14,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:45:14,737 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:45:14,738 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:45:14,740 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:45:14,741 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:45:14,741 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:45:14,743 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:45:14,743 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:45:14,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:45:14,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:45:14,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:45:14,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:45:14,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:45:14,747 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:45:14,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:45:14,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:45:14,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:45:14,770 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:45:14,770 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:45:14,770 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:45:14,771 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:45:14,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:45:14,771 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:45:14,771 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:45:14,771 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:45:14,773 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:45:14,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:45:14,773 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:45:14,773 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:45:14,774 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:45:14,774 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:45:14,774 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:45:14,774 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:45:14,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:45:14,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:45:14,776 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:45:14,776 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:45:14,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:45:14,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:45:14,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:45:14,777 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:45:14,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:45:14,777 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 -> 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 [2018-11-28 22:45:14,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:45:14,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:45:14,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:45:14,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:45:14,865 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:45:14,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-11-28 22:45:14,930 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304142158/dbc9e38ea0e3473fbd5508f1f8d09cf8/FLAGc0c5b6207 [2018-11-28 22:45:15,496 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:45:15,498 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-11-28 22:45:15,513 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304142158/dbc9e38ea0e3473fbd5508f1f8d09cf8/FLAGc0c5b6207 [2018-11-28 22:45:15,757 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304142158/dbc9e38ea0e3473fbd5508f1f8d09cf8 [2018-11-28 22:45:15,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:45:15,763 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:45:15,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:45:15,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:45:15,772 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:45:15,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:45:15" (1/1) ... [2018-11-28 22:45:15,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@806a026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:15, skipping insertion in model container [2018-11-28 22:45:15,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:45:15" (1/1) ... [2018-11-28 22:45:15,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:45:15,851 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:45:16,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:45:16,273 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:45:16,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:45:16,470 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:45:16,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16 WrapperNode [2018-11-28 22:45:16,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:45:16,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:45:16,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:45:16,472 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:45:16,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... [2018-11-28 22:45:16,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:45:16,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:45:16,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:45:16,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:45:16,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:45:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:45:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:45:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-11-28 22:45:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-11-28 22:45:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:45:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-28 22:45:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:45:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:45:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:45:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:45:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:45:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:45:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:45:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:45:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:45:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:45:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:45:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:45:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:45:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:45:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:45:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:45:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:45:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:45:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:45:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:45:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:45:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:45:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:45:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:45:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:45:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:45:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:45:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-11-28 22:45:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:45:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:45:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:45:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:45:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:45:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:45:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:45:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:45:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:45:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:45:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:45:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:45:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:45:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:45:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:45:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:45:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:45:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:45:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:45:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:45:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:45:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:45:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:45:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:45:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:45:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:45:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:45:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:45:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:45:17,498 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:45:17,499 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 22:45:17,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:45:17 BoogieIcfgContainer [2018-11-28 22:45:17,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:45:17,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:45:17,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:45:17,504 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:45:17,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:45:15" (1/3) ... [2018-11-28 22:45:17,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcdcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:45:17, skipping insertion in model container [2018-11-28 22:45:17,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:16" (2/3) ... [2018-11-28 22:45:17,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcdcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:45:17, skipping insertion in model container [2018-11-28 22:45:17,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:45:17" (3/3) ... [2018-11-28 22:45:17,508 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-11-28 22:45:17,518 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:45:17,527 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-11-28 22:45:17,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-11-28 22:45:17,571 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:45:17,572 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:45:17,572 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:45:17,573 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:45:17,573 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:45:17,573 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:45:17,574 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:45:17,574 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:45:17,574 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:45:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-11-28 22:45:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 22:45:17,606 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:17,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:17,609 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:17,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:17,616 INFO L82 PathProgramCache]: Analyzing trace with hash -245276830, now seen corresponding path program 1 times [2018-11-28 22:45:17,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:17,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:17,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:17,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:17,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:17,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:17,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:17,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 22:45:17,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 22:45:17,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 22:45:17,849 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2018-11-28 22:45:17,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:17,874 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2018-11-28 22:45:17,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 22:45:17,875 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-11-28 22:45:17,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:17,890 INFO L225 Difference]: With dead ends: 72 [2018-11-28 22:45:17,890 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 22:45:17,892 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 22:45:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 22:45:17,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-28 22:45:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-28 22:45:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2018-11-28 22:45:17,939 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 8 [2018-11-28 22:45:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:17,940 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2018-11-28 22:45:17,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 22:45:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-11-28 22:45:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 22:45:17,942 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:17,942 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:17,942 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:17,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:17,943 INFO L82 PathProgramCache]: Analyzing trace with hash 491951379, now seen corresponding path program 1 times [2018-11-28 22:45:17,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:17,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:17,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:17,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:17,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:18,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:18,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:45:18,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:18,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:18,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:18,047 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand 3 states. [2018-11-28 22:45:18,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:18,094 INFO L93 Difference]: Finished difference Result 70 states and 87 transitions. [2018-11-28 22:45:18,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:18,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 22:45:18,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:18,098 INFO L225 Difference]: With dead ends: 70 [2018-11-28 22:45:18,098 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 22:45:18,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:18,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 22:45:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-11-28 22:45:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-28 22:45:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2018-11-28 22:45:18,117 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 10 [2018-11-28 22:45:18,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:18,118 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2018-11-28 22:45:18,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-11-28 22:45:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 22:45:18,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:18,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:18,119 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:18,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash 492010961, now seen corresponding path program 1 times [2018-11-28 22:45:18,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:18,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:18,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:18,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:18,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:18,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:18,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:45:18,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:18,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:18,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:18,384 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 3 states. [2018-11-28 22:45:18,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:18,472 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2018-11-28 22:45:18,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:18,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 22:45:18,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:18,476 INFO L225 Difference]: With dead ends: 124 [2018-11-28 22:45:18,476 INFO L226 Difference]: Without dead ends: 124 [2018-11-28 22:45:18,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:18,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-28 22:45:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2018-11-28 22:45:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-28 22:45:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2018-11-28 22:45:18,495 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 10 [2018-11-28 22:45:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:18,495 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2018-11-28 22:45:18,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2018-11-28 22:45:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 22:45:18,496 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:18,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:18,498 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:18,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1927530862, now seen corresponding path program 1 times [2018-11-28 22:45:18,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:18,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:18,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:18,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:18,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:18,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:18,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:18,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:18,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:18,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:18,581 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand 3 states. [2018-11-28 22:45:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:18,725 INFO L93 Difference]: Finished difference Result 136 states and 194 transitions. [2018-11-28 22:45:18,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:18,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-28 22:45:18,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:18,729 INFO L225 Difference]: With dead ends: 136 [2018-11-28 22:45:18,729 INFO L226 Difference]: Without dead ends: 133 [2018-11-28 22:45:18,730 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 [2018-11-28 22:45:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-28 22:45:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 124. [2018-11-28 22:45:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-28 22:45:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 181 transitions. [2018-11-28 22:45:18,746 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 181 transitions. Word has length 11 [2018-11-28 22:45:18,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:18,747 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 181 transitions. [2018-11-28 22:45:18,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2018-11-28 22:45:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 22:45:18,747 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:18,748 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:18,748 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:18,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:18,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1338076557, now seen corresponding path program 1 times [2018-11-28 22:45:18,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:18,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:18,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:18,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:18,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:18,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:18,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:18,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:18,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:18,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:18,804 INFO L87 Difference]: Start difference. First operand 124 states and 181 transitions. Second operand 3 states. [2018-11-28 22:45:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:19,260 INFO L93 Difference]: Finished difference Result 210 states and 308 transitions. [2018-11-28 22:45:19,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:19,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-28 22:45:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:19,263 INFO L225 Difference]: With dead ends: 210 [2018-11-28 22:45:19,264 INFO L226 Difference]: Without dead ends: 210 [2018-11-28 22:45:19,264 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 [2018-11-28 22:45:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-11-28 22:45:19,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 191. [2018-11-28 22:45:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-28 22:45:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 296 transitions. [2018-11-28 22:45:19,305 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 296 transitions. Word has length 13 [2018-11-28 22:45:19,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:19,305 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 296 transitions. [2018-11-28 22:45:19,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 296 transitions. [2018-11-28 22:45:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 22:45:19,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:19,306 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:19,307 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:19,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:19,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1338076558, now seen corresponding path program 1 times [2018-11-28 22:45:19,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:19,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:19,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:19,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:19,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:19,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:19,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:19,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:19,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:19,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:19,436 INFO L87 Difference]: Start difference. First operand 191 states and 296 transitions. Second operand 3 states. [2018-11-28 22:45:19,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:19,572 INFO L93 Difference]: Finished difference Result 261 states and 391 transitions. [2018-11-28 22:45:19,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:19,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-28 22:45:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:19,577 INFO L225 Difference]: With dead ends: 261 [2018-11-28 22:45:19,577 INFO L226 Difference]: Without dead ends: 261 [2018-11-28 22:45:19,577 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 [2018-11-28 22:45:19,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-11-28 22:45:19,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 245. [2018-11-28 22:45:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-28 22:45:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 380 transitions. [2018-11-28 22:45:19,616 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 380 transitions. Word has length 13 [2018-11-28 22:45:19,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:19,617 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 380 transitions. [2018-11-28 22:45:19,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 380 transitions. [2018-11-28 22:45:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 22:45:19,618 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:19,618 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:19,618 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:19,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:19,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1469292702, now seen corresponding path program 1 times [2018-11-28 22:45:19,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:19,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:19,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:19,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:19,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:19,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:19,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:45:19,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:45:19,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:45:19,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:45:19,729 INFO L87 Difference]: Start difference. First operand 245 states and 380 transitions. Second operand 5 states. [2018-11-28 22:45:19,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:19,867 INFO L93 Difference]: Finished difference Result 463 states and 693 transitions. [2018-11-28 22:45:19,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:45:19,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-28 22:45:19,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:19,879 INFO L225 Difference]: With dead ends: 463 [2018-11-28 22:45:19,880 INFO L226 Difference]: Without dead ends: 463 [2018-11-28 22:45:19,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:45:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-11-28 22:45:19,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 437. [2018-11-28 22:45:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-11-28 22:45:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 673 transitions. [2018-11-28 22:45:19,910 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 673 transitions. Word has length 14 [2018-11-28 22:45:19,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:19,911 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 673 transitions. [2018-11-28 22:45:19,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:45:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 673 transitions. [2018-11-28 22:45:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 22:45:19,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:19,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:19,912 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:19,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:19,913 INFO L82 PathProgramCache]: Analyzing trace with hash 165088838, now seen corresponding path program 1 times [2018-11-28 22:45:19,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:19,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:19,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:19,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:19,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:19,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:19,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:45:19,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:45:19,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:45:19,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:45:19,995 INFO L87 Difference]: Start difference. First operand 437 states and 673 transitions. Second operand 5 states. [2018-11-28 22:45:20,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:20,161 INFO L93 Difference]: Finished difference Result 815 states and 1179 transitions. [2018-11-28 22:45:20,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:45:20,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-28 22:45:20,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:20,168 INFO L225 Difference]: With dead ends: 815 [2018-11-28 22:45:20,169 INFO L226 Difference]: Without dead ends: 815 [2018-11-28 22:45:20,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:45:20,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-28 22:45:20,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 785. [2018-11-28 22:45:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-11-28 22:45:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1153 transitions. [2018-11-28 22:45:20,206 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1153 transitions. Word has length 15 [2018-11-28 22:45:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:20,207 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 1153 transitions. [2018-11-28 22:45:20,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:45:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1153 transitions. [2018-11-28 22:45:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:45:20,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:20,208 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:20,209 INFO L423 AbstractCegarLoop]: === Iteration 9 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:20,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1260230172, now seen corresponding path program 1 times [2018-11-28 22:45:20,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:20,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:20,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:20,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:20,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:20,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:45:20,433 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 [2018-11-28 22:45:20,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:20,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:20,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:45:20,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-11-28 22:45:20,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 22:45:20,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 22:45:20,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:45:20,911 INFO L87 Difference]: Start difference. First operand 785 states and 1153 transitions. Second operand 10 states. [2018-11-28 22:45:21,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:21,901 INFO L93 Difference]: Finished difference Result 2565 states and 3813 transitions. [2018-11-28 22:45:21,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 22:45:21,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-11-28 22:45:21,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:21,925 INFO L225 Difference]: With dead ends: 2565 [2018-11-28 22:45:21,926 INFO L226 Difference]: Without dead ends: 2565 [2018-11-28 22:45:21,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-11-28 22:45:21,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2018-11-28 22:45:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2429. [2018-11-28 22:45:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2429 states. [2018-11-28 22:45:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 3563 transitions. [2018-11-28 22:45:22,085 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 3563 transitions. Word has length 22 [2018-11-28 22:45:22,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:22,086 INFO L480 AbstractCegarLoop]: Abstraction has 2429 states and 3563 transitions. [2018-11-28 22:45:22,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 22:45:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3563 transitions. [2018-11-28 22:45:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:45:22,093 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:22,093 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:22,094 INFO L423 AbstractCegarLoop]: === Iteration 10 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-11-28 22:45:22,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:22,094 INFO L82 PathProgramCache]: Analyzing trace with hash 239161818, now seen corresponding path program 1 times [2018-11-28 22:45:22,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:45:22,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:45:22,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:22,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:22,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:45:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:45:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:45:22,175 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:45:22,207 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:45:22,224 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 22:45:22,228 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 22:45:22,233 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 22:45:22,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:45:22 BoogieIcfgContainer [2018-11-28 22:45:22,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:45:22,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:45:22,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:45:22,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:45:22,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:45:17" (3/4) ... [2018-11-28 22:45:22,268 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:45:22,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:45:22,270 INFO L168 Benchmark]: Toolchain (without parser) took 6507.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.7 MB in the beginning and 800.3 MB in the end (delta: 152.4 MB). Peak memory consumption was 278.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:22,273 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. [2018-11-28 22:45:22,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:22,276 INFO L168 Benchmark]: Boogie Preprocessor took 78.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:45:22,277 INFO L168 Benchmark]: RCFGBuilder took 949.77 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:22,279 INFO L168 Benchmark]: TraceAbstraction took 4759.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 800.3 MB in the end (delta: 252.1 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:22,281 INFO L168 Benchmark]: Witness Printer took 7.88 ms. Allocated memory is still 1.2 GB. Free memory is still 800.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:45:22,287 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 704.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.13 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 949.77 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4759.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 800.3 MB in the end (delta: 252.1 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.88 ms. Allocated memory is still 1.2 GB. Free memory is still 800.3 MB. 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=22, \old(garbage)=18, \old(pc1)=13, \old(pc4)=23, \old(res4)=14, \old(S)=15, \old(S)=10, \old(t1)=28, \old(t1)=20, \old(t4)=11, \old(t4)=16, \old(x1)=19, \old(x1)=24, \old(x4)=27, \old(x4)=26, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=1, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={21:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L634] x1->data = 0 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={21:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={21:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, \result=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 72 locations, 19 error locations. UNSAFE Result, 4.6s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 832 SDtfs, 716 SDslu, 1200 SDs, 0 SdLazy, 341 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2429occurred in iteration=9, 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 254 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 5771 SizeOfPredicates, 8 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2/6 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 0.1.24-91b1670 [2018-11-28 22:45:24,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:45:24,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:45:24,835 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:45:24,836 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:45:24,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:45:24,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:45:24,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:45:24,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:45:24,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:45:24,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:45:24,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:45:24,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:45:24,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:45:24,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:45:24,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:45:24,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:45:24,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:45:24,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:45:24,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:45:24,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:45:24,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:45:24,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:45:24,877 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:45:24,877 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:45:24,878 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:45:24,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:45:24,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:45:24,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:45:24,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:45:24,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:45:24,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:45:24,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:45:24,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:45:24,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:45:24,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:45:24,890 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 22:45:24,912 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:45:24,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:45:24,916 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:45:24,917 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:45:24,917 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:45:24,917 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:45:24,918 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:45:24,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:45:24,918 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:45:24,918 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:45:24,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:45:24,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:45:24,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:45:24,919 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:45:24,919 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:45:24,919 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:45:24,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:45:24,920 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 22:45:24,922 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 22:45:24,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:45:24,922 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:45:24,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:45:24,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:45:24,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:45:24,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:45:24,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:45:24,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:45:24,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:45:24,924 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 22:45:24,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:45:24,924 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 22:45:24,924 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 -> 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 [2018-11-28 22:45:24,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:45:25,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:45:25,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:45:25,008 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:45:25,008 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:45:25,009 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-11-28 22:45:25,068 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adc5e4799/dd709bca155d44b5b04262d4e4aa2447/FLAGc8b73975c [2018-11-28 22:45:25,563 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:45:25,564 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-11-28 22:45:25,579 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adc5e4799/dd709bca155d44b5b04262d4e4aa2447/FLAGc8b73975c [2018-11-28 22:45:25,867 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adc5e4799/dd709bca155d44b5b04262d4e4aa2447 [2018-11-28 22:45:25,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:45:25,872 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:45:25,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:45:25,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:45:25,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:45:25,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:45:25" (1/1) ... [2018-11-28 22:45:25,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc9f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:25, skipping insertion in model container [2018-11-28 22:45:25,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:45:25" (1/1) ... [2018-11-28 22:45:25,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:45:25,960 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:45:26,400 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:45:26,425 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:45:26,561 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:45:26,621 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:45:26,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26 WrapperNode [2018-11-28 22:45:26,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:45:26,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:45:26,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:45:26,623 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:45:26,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (1/1) ... [2018-11-28 22:45:26,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:45:26,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:45:26,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:45:26,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:45:26,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (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 [2018-11-28 22:45:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:45:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:45:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-11-28 22:45:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-11-28 22:45:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:45:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-28 22:45:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:45:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:45:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:45:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:45:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:45:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:45:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:45:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:45:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:45:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:45:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:45:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:45:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:45:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:45:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:45:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:45:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:45:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:45:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:45:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:45:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:45:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:45:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:45:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:45:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:45:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:45:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:45:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:45:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:45:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:45:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-11-28 22:45:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:45:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:45:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:45:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:45:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:45:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:45:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:45:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:45:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:45:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:45:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:45:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:45:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:45:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:45:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:45:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:45:26,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 22:45:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:45:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:45:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:45:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:45:27,744 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:45:27,744 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 22:45:27,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:45:27 BoogieIcfgContainer [2018-11-28 22:45:27,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:45:27,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:45:27,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:45:27,749 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:45:27,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:45:25" (1/3) ... [2018-11-28 22:45:27,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70826d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:45:27, skipping insertion in model container [2018-11-28 22:45:27,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:45:26" (2/3) ... [2018-11-28 22:45:27,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70826d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:45:27, skipping insertion in model container [2018-11-28 22:45:27,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:45:27" (3/3) ... [2018-11-28 22:45:27,753 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-11-28 22:45:27,763 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:45:27,771 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-11-28 22:45:27,790 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-11-28 22:45:27,817 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:45:27,818 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:45:27,818 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:45:27,818 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:45:27,818 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:45:27,818 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:45:27,819 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:45:27,819 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:45:27,819 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:45:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-28 22:45:27,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 22:45:27,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:27,855 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:27,857 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:27,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:27,863 INFO L82 PathProgramCache]: Analyzing trace with hash 433272578, now seen corresponding path program 1 times [2018-11-28 22:45:27,867 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:27,868 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 [2018-11-28 22:45:27,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:27,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:27,994 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 22:45:28,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:28,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:28,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 22:45:28,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 22:45:28,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 22:45:28,025 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-28 22:45:28,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:28,048 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2018-11-28 22:45:28,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 22:45:28,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-11-28 22:45:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:28,067 INFO L225 Difference]: With dead ends: 70 [2018-11-28 22:45:28,068 INFO L226 Difference]: Without dead ends: 67 [2018-11-28 22:45:28,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 22:45:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-28 22:45:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-11-28 22:45:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-28 22:45:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2018-11-28 22:45:28,117 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 8 [2018-11-28 22:45:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:28,117 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2018-11-28 22:45:28,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 22:45:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2018-11-28 22:45:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 22:45:28,118 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:28,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:28,119 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:28,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:28,120 INFO L82 PathProgramCache]: Analyzing trace with hash 433261046, now seen corresponding path program 1 times [2018-11-28 22:45:28,120 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:28,120 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 [2018-11-28 22:45:28,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:28,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:28,319 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:45:28,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:28,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:45:28,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:28,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:28,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:28,327 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 3 states. [2018-11-28 22:45:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:28,477 INFO L93 Difference]: Finished difference Result 118 states and 151 transitions. [2018-11-28 22:45:28,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:28,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-28 22:45:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:28,486 INFO L225 Difference]: With dead ends: 118 [2018-11-28 22:45:28,487 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 22:45:28,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:28,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 22:45:28,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2018-11-28 22:45:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 22:45:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2018-11-28 22:45:28,527 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 8 [2018-11-28 22:45:28,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:28,528 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2018-11-28 22:45:28,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2018-11-28 22:45:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 22:45:28,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:28,533 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:28,533 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:28,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:28,534 INFO L82 PathProgramCache]: Analyzing trace with hash 546189062, now seen corresponding path program 1 times [2018-11-28 22:45:28,535 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:28,535 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 [2018-11-28 22:45:28,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:28,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:28,682 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:45:28,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:28,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:28,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:28,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:28,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:28,689 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 3 states. [2018-11-28 22:45:29,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:29,001 INFO L93 Difference]: Finished difference Result 124 states and 178 transitions. [2018-11-28 22:45:29,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:29,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 22:45:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:29,006 INFO L225 Difference]: With dead ends: 124 [2018-11-28 22:45:29,006 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 22:45:29,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:29,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 22:45:29,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2018-11-28 22:45:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-28 22:45:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2018-11-28 22:45:29,025 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 9 [2018-11-28 22:45:29,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:29,026 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2018-11-28 22:45:29,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2018-11-28 22:45:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 22:45:29,026 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:29,027 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:29,027 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:29,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:29,027 INFO L82 PathProgramCache]: Analyzing trace with hash 946055626, now seen corresponding path program 1 times [2018-11-28 22:45:29,028 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:29,028 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:45:29,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:29,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:29,263 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 6 treesize of output 5 [2018-11-28 22:45:29,266 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:45:29,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:45:29,290 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 22:45:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:29,345 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:45:29,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:29,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:29,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:29,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:29,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:29,350 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2018-11-28 22:45:29,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:29,767 INFO L93 Difference]: Finished difference Result 194 states and 286 transitions. [2018-11-28 22:45:29,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:29,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-28 22:45:29,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:29,774 INFO L225 Difference]: With dead ends: 194 [2018-11-28 22:45:29,777 INFO L226 Difference]: Without dead ends: 194 [2018-11-28 22:45:29,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:29,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-11-28 22:45:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 175. [2018-11-28 22:45:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-28 22:45:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2018-11-28 22:45:29,814 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 11 [2018-11-28 22:45:29,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:29,815 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2018-11-28 22:45:29,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2018-11-28 22:45:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 22:45:29,816 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:29,816 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:29,817 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:29,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:29,817 INFO L82 PathProgramCache]: Analyzing trace with hash 946055627, now seen corresponding path program 1 times [2018-11-28 22:45:29,817 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:29,818 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:45:29,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:29,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:29,968 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 6 treesize of output 5 [2018-11-28 22:45:29,968 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:45:29,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:45:29,988 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-28 22:45:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:30,008 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:45:30,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:30,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:45:30,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:45:30,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:45:30,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:30,013 INFO L87 Difference]: Start difference. First operand 175 states and 274 transitions. Second operand 3 states. [2018-11-28 22:45:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:30,301 INFO L93 Difference]: Finished difference Result 245 states and 369 transitions. [2018-11-28 22:45:30,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:45:30,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-28 22:45:30,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:30,307 INFO L225 Difference]: With dead ends: 245 [2018-11-28 22:45:30,307 INFO L226 Difference]: Without dead ends: 245 [2018-11-28 22:45:30,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:45:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-28 22:45:30,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 229. [2018-11-28 22:45:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-28 22:45:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 358 transitions. [2018-11-28 22:45:30,347 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 358 transitions. Word has length 11 [2018-11-28 22:45:30,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:30,348 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 358 transitions. [2018-11-28 22:45:30,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:45:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 358 transitions. [2018-11-28 22:45:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 22:45:30,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:30,349 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:30,349 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:30,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:30,352 INFO L82 PathProgramCache]: Analyzing trace with hash -737039675, now seen corresponding path program 1 times [2018-11-28 22:45:30,352 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:30,352 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:45:30,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:30,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:30,480 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:45:30,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:30,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:45:30,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:45:30,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:45:30,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:45:30,485 INFO L87 Difference]: Start difference. First operand 229 states and 358 transitions. Second operand 4 states. [2018-11-28 22:45:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:30,586 INFO L93 Difference]: Finished difference Result 208 states and 294 transitions. [2018-11-28 22:45:30,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:45:30,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-28 22:45:30,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:30,590 INFO L225 Difference]: With dead ends: 208 [2018-11-28 22:45:30,590 INFO L226 Difference]: Without dead ends: 208 [2018-11-28 22:45:30,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:45:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-28 22:45:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 179. [2018-11-28 22:45:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-28 22:45:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 269 transitions. [2018-11-28 22:45:30,605 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 269 transitions. Word has length 12 [2018-11-28 22:45:30,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:30,605 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 269 transitions. [2018-11-28 22:45:30,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:45:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 269 transitions. [2018-11-28 22:45:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 22:45:30,606 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:30,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:30,607 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:30,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:30,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1390096195, now seen corresponding path program 1 times [2018-11-28 22:45:30,609 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:30,610 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:45:30,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:45:30,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:45:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:45:30,753 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:45:30,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:45:30,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:45:30,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:45:30,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:45:30,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:45:30,757 INFO L87 Difference]: Start difference. First operand 179 states and 269 transitions. Second operand 4 states. [2018-11-28 22:45:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:45:30,838 INFO L93 Difference]: Finished difference Result 279 states and 402 transitions. [2018-11-28 22:45:30,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:45:30,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-28 22:45:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:45:30,841 INFO L225 Difference]: With dead ends: 279 [2018-11-28 22:45:30,841 INFO L226 Difference]: Without dead ends: 279 [2018-11-28 22:45:30,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:45:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-11-28 22:45:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-11-28 22:45:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-28 22:45:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 402 transitions. [2018-11-28 22:45:30,860 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 402 transitions. Word has length 13 [2018-11-28 22:45:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:45:30,860 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 402 transitions. [2018-11-28 22:45:30,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:45:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2018-11-28 22:45:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:45:30,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:45:30,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:45:30,863 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-11-28 22:45:30,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:45:30,863 INFO L82 PathProgramCache]: Analyzing trace with hash 531682195, now seen corresponding path program 1 times [2018-11-28 22:45:30,864 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:45:30,864 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:45:30,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:45:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:45:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:45:31,240 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:45:31,269 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:45:31,280 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,281 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,281 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,282 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,282 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,284 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,284 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,285 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,285 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,285 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,286 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,286 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,291 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,293 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,293 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,294 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,294 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,295 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,295 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,295 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,297 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,298 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,298 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,299 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,302 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,302 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,303 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,303 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,303 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,304 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,306 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,306 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,307 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,308 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 22:45:31,310 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,310 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,311 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,313 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,314 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,314 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,314 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,315 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,316 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,316 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,316 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,324 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,325 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,326 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 22:45:31,326 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,326 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,327 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,333 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,334 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,334 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,334 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,334 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,335 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,335 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,335 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,335 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,335 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,339 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,339 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 22:45:31,340 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,340 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,341 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,341 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,341 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,341 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,347 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,347 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,348 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,348 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,348 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,348 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,350 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,350 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,351 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,351 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,351 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,351 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,351 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,352 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,352 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,353 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,353 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,353 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,354 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,354 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,357 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,358 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,358 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,358 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,359 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,359 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,359 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,359 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,362 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,362 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-11-28 22:45:31,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:45:31 BoogieIcfgContainer [2018-11-28 22:45:31,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:45:31,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:45:31,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:45:31,374 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:45:31,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:45:27" (3/4) ... [2018-11-28 22:45:31,380 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:45:31,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:45:31,383 INFO L168 Benchmark]: Toolchain (without parser) took 5512.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.7 MB in the beginning and 856.0 MB in the end (delta: 96.7 MB). Peak memory consumption was 236.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:31,385 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:45:31,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:31,389 INFO L168 Benchmark]: Boogie Preprocessor took 102.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:45:31,389 INFO L168 Benchmark]: RCFGBuilder took 1020.00 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:31,391 INFO L168 Benchmark]: TraceAbstraction took 3628.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.0 MB in the end (delta: 205.5 MB). Peak memory consumption was 205.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:45:31,392 INFO L168 Benchmark]: Witness Printer took 8.06 ms. Allocated memory is still 1.2 GB. Free memory is still 856.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:45:31,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 749.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.11 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 1020.00 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3628.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.0 MB in the end (delta: 205.5 MB). Peak memory consumption was 205.5 MB. Max. memory is 11.5 GB. * Witness Printer took 8.06 ms. Allocated memory is still 1.2 GB. Free memory is still 856.0 MB. 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=0, \old(pc4)=0, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L634] x1->data = 0 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, \result=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 19 error locations. UNSAFE Result, 3.5s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 647 SDtfs, 376 SDslu, 430 SDs, 0 SdLazy, 144 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 90 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1685 SizeOfPredicates, 13 NumberOfNonLiveVariables, 877 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...