./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 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/memsafety/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 0.1.24-2e94e6a [2019-01-01 17:26:54,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:26:54,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:26:54,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:26:54,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:26:54,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:26:54,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:26:54,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:26:54,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:26:54,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:26:54,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:26:54,284 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:26:54,285 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:26:54,286 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:26:54,287 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:26:54,288 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:26:54,289 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:26:54,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:26:54,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:26:54,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:26:54,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:26:54,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:26:54,300 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:26:54,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:26:54,301 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:26:54,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:26:54,303 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:26:54,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:26:54,304 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:26:54,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:26:54,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:26:54,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:26:54,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:26:54,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:26:54,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:26:54,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:26:54,310 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:26:54,333 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:26:54,333 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:26:54,339 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:26:54,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:26:54,340 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:26:54,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:26:54,340 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:26:54,340 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:26:54,340 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:26:54,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:26:54,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:26:54,341 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:26:54,341 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:26:54,341 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:26:54,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:26:54,342 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:26:54,342 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:26:54,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:26:54,342 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:26:54,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:26:54,342 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:26:54,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:26:54,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:26:54,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:26:54,343 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:26:54,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:26:54,343 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 [2019-01-01 17:26:54,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:26:54,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:26:54,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:26:54,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:26:54,430 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:26:54,430 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2019-01-01 17:26:54,495 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7950c92/67e26b2676eb4157abd27d800b1a0675/FLAG0780f5bb9 [2019-01-01 17:26:55,064 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:26:55,065 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2019-01-01 17:26:55,078 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7950c92/67e26b2676eb4157abd27d800b1a0675/FLAG0780f5bb9 [2019-01-01 17:26:55,330 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7950c92/67e26b2676eb4157abd27d800b1a0675 [2019-01-01 17:26:55,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:26:55,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:26:55,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:26:55,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:26:55,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:26:55,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:55,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785cf55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55, skipping insertion in model container [2019-01-01 17:26:55,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:55,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:26:55,406 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:26:55,762 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:26:55,775 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:26:55,904 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:26:55,960 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:26:55,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55 WrapperNode [2019-01-01 17:26:55,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:26:55,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:26:55,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:26:55,962 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:26:55,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:55,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:55,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:55,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:56,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:56,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:56,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... [2019-01-01 17:26:56,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:26:56,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:26:56,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:26:56,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:26:56,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:26:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:26:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:26:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2019-01-01 17:26:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2019-01-01 17:26:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:26:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:26:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:26:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:26:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:26:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:26:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:26:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:26:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:26:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:26:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:26:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:26:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:26:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:26:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:26:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:26:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:26:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:26:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:26:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:26:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:26:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:26:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:26:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:26:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:26:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:26:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:26:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:26:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:26:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:26:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:26:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:26:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:26:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:26:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:26:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:26:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:26:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:26:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:26:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:26:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:26:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:26:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:26:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:26:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:26:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:26:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:26:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:26:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:26:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:26:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:26:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:26:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:26:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:26:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:26:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:26:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:26:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:26:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:26:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:26:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:26:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:26:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:26:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:26:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:26:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:26:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:26:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure push [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:26:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 17:26:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:26:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2019-01-01 17:26:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:26:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 17:26:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:26:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:26:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:26:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:26:57,054 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:26:57,055 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-01 17:26:57,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:26:57 BoogieIcfgContainer [2019-01-01 17:26:57,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:26:57,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:26:57,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:26:57,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:26:57,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:26:55" (1/3) ... [2019-01-01 17:26:57,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ab779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:26:57, skipping insertion in model container [2019-01-01 17:26:57,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:26:55" (2/3) ... [2019-01-01 17:26:57,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ab779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:26:57, skipping insertion in model container [2019-01-01 17:26:57,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:26:57" (3/3) ... [2019-01-01 17:26:57,065 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2019-01-01 17:26:57,074 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:26:57,082 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2019-01-01 17:26:57,101 INFO L257 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2019-01-01 17:26:57,131 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:26:57,132 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:26:57,132 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:26:57,132 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:26:57,132 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:26:57,133 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:26:57,133 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:26:57,133 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:26:57,133 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:26:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-01-01 17:26:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-01 17:26:57,164 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:57,165 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:57,168 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:57,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:57,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1052716832, now seen corresponding path program 1 times [2019-01-01 17:26:57,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:57,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:57,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:57,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:57,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:57,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:57,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:26:57,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-01 17:26:57,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-01 17:26:57,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-01 17:26:57,406 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-01-01 17:26:57,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:57,431 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2019-01-01 17:26:57,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 17:26:57,432 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-01-01 17:26:57,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:57,448 INFO L225 Difference]: With dead ends: 74 [2019-01-01 17:26:57,449 INFO L226 Difference]: Without dead ends: 71 [2019-01-01 17:26:57,452 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 [2019-01-01 17:26:57,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-01 17:26:57,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-01-01 17:26:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-01 17:26:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2019-01-01 17:26:57,497 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 8 [2019-01-01 17:26:57,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:57,497 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2019-01-01 17:26:57,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-01 17:26:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-01-01 17:26:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-01 17:26:57,498 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:57,498 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:57,500 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:57,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:57,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1931190033, now seen corresponding path program 1 times [2019-01-01 17:26:57,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:57,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:57,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:57,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:57,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:57,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:57,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 17:26:57,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:26:57,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:26:57,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:57,631 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 3 states. [2019-01-01 17:26:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:57,710 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2019-01-01 17:26:57,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:26:57,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-01 17:26:57,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:57,713 INFO L225 Difference]: With dead ends: 72 [2019-01-01 17:26:57,713 INFO L226 Difference]: Without dead ends: 72 [2019-01-01 17:26:57,714 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 [2019-01-01 17:26:57,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-01 17:26:57,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-01-01 17:26:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-01 17:26:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2019-01-01 17:26:57,725 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 10 [2019-01-01 17:26:57,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:57,726 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2019-01-01 17:26:57,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:26:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2019-01-01 17:26:57,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-01 17:26:57,728 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:57,728 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:57,728 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:57,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:57,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1931249615, now seen corresponding path program 1 times [2019-01-01 17:26:57,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:57,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:57,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:57,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:57,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:57,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:57,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 17:26:57,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:26:57,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:26:57,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:57,979 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. Second operand 3 states. [2019-01-01 17:26:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:58,092 INFO L93 Difference]: Finished difference Result 126 states and 161 transitions. [2019-01-01 17:26:58,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:26:58,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-01 17:26:58,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:58,096 INFO L225 Difference]: With dead ends: 126 [2019-01-01 17:26:58,096 INFO L226 Difference]: Without dead ends: 126 [2019-01-01 17:26:58,096 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 [2019-01-01 17:26:58,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-01-01 17:26:58,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 108. [2019-01-01 17:26:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-01-01 17:26:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-01-01 17:26:58,127 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 10 [2019-01-01 17:26:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:58,129 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-01-01 17:26:58,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:26:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2019-01-01 17:26:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 17:26:58,130 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:58,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:58,130 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:58,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:58,131 INFO L82 PathProgramCache]: Analyzing trace with hash -260805484, now seen corresponding path program 1 times [2019-01-01 17:26:58,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:58,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:58,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:58,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:58,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:58,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:58,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:26:58,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:26:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:26:58,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:58,226 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 3 states. [2019-01-01 17:26:58,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:58,399 INFO L93 Difference]: Finished difference Result 140 states and 198 transitions. [2019-01-01 17:26:58,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:26:58,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-01-01 17:26:58,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:58,404 INFO L225 Difference]: With dead ends: 140 [2019-01-01 17:26:58,404 INFO L226 Difference]: Without dead ends: 137 [2019-01-01 17:26:58,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:58,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-01-01 17:26:58,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 126. [2019-01-01 17:26:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-01-01 17:26:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 183 transitions. [2019-01-01 17:26:58,428 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 183 transitions. Word has length 11 [2019-01-01 17:26:58,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:58,429 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 183 transitions. [2019-01-01 17:26:58,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:26:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2019-01-01 17:26:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:26:58,432 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:58,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:58,432 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:58,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:58,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1038361485, now seen corresponding path program 1 times [2019-01-01 17:26:58,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:58,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:58,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:58,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:58,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:58,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:58,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:26:58,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:26:58,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:26:58,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:58,505 INFO L87 Difference]: Start difference. First operand 126 states and 183 transitions. Second operand 3 states. [2019-01-01 17:26:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:58,737 INFO L93 Difference]: Finished difference Result 214 states and 312 transitions. [2019-01-01 17:26:58,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:26:58,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-01-01 17:26:58,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:58,742 INFO L225 Difference]: With dead ends: 214 [2019-01-01 17:26:58,742 INFO L226 Difference]: Without dead ends: 214 [2019-01-01 17:26:58,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-01-01 17:26:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 193. [2019-01-01 17:26:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-01-01 17:26:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 298 transitions. [2019-01-01 17:26:58,760 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 298 transitions. Word has length 13 [2019-01-01 17:26:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:58,761 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 298 transitions. [2019-01-01 17:26:58,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:26:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 298 transitions. [2019-01-01 17:26:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:26:58,761 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:58,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:58,764 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:58,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:58,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1038361486, now seen corresponding path program 1 times [2019-01-01 17:26:58,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:58,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:58,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:58,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:58,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:58,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:58,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:26:58,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:26:58,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:26:58,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:58,859 INFO L87 Difference]: Start difference. First operand 193 states and 298 transitions. Second operand 3 states. [2019-01-01 17:26:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:59,311 INFO L93 Difference]: Finished difference Result 265 states and 395 transitions. [2019-01-01 17:26:59,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:26:59,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-01-01 17:26:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:59,318 INFO L225 Difference]: With dead ends: 265 [2019-01-01 17:26:59,318 INFO L226 Difference]: Without dead ends: 265 [2019-01-01 17:26:59,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:26:59,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-01-01 17:26:59,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2019-01-01 17:26:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-01-01 17:26:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 382 transitions. [2019-01-01 17:26:59,358 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 382 transitions. Word has length 13 [2019-01-01 17:26:59,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:59,358 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 382 transitions. [2019-01-01 17:26:59,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:26:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 382 transitions. [2019-01-01 17:26:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-01 17:26:59,359 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:59,359 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:59,363 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:59,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:59,363 INFO L82 PathProgramCache]: Analyzing trace with hash 2124441954, now seen corresponding path program 1 times [2019-01-01 17:26:59,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:59,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:59,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:59,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:59,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:59,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:59,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:26:59,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:26:59,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:26:59,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:26:59,511 INFO L87 Difference]: Start difference. First operand 247 states and 382 transitions. Second operand 5 states. [2019-01-01 17:26:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:59,675 INFO L93 Difference]: Finished difference Result 467 states and 697 transitions. [2019-01-01 17:26:59,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 17:26:59,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-01-01 17:26:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:59,682 INFO L225 Difference]: With dead ends: 467 [2019-01-01 17:26:59,683 INFO L226 Difference]: Without dead ends: 467 [2019-01-01 17:26:59,683 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 [2019-01-01 17:26:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-01-01 17:26:59,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 439. [2019-01-01 17:26:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-01-01 17:26:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 675 transitions. [2019-01-01 17:26:59,708 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 675 transitions. Word has length 14 [2019-01-01 17:26:59,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:26:59,708 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 675 transitions. [2019-01-01 17:26:59,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:26:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 675 transitions. [2019-01-01 17:26:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-01 17:26:59,710 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:26:59,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:26:59,712 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:26:59,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:26:59,712 INFO L82 PathProgramCache]: Analyzing trace with hash -98286522, now seen corresponding path program 1 times [2019-01-01 17:26:59,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:26:59,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:26:59,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:59,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:26:59,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:26:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:26:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:26:59,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:26:59,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:26:59,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:26:59,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:26:59,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:26:59,793 INFO L87 Difference]: Start difference. First operand 439 states and 675 transitions. Second operand 5 states. [2019-01-01 17:26:59,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:26:59,974 INFO L93 Difference]: Finished difference Result 819 states and 1183 transitions. [2019-01-01 17:26:59,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 17:26:59,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-01-01 17:26:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:26:59,982 INFO L225 Difference]: With dead ends: 819 [2019-01-01 17:26:59,983 INFO L226 Difference]: Without dead ends: 819 [2019-01-01 17:26:59,983 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 [2019-01-01 17:26:59,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-01-01 17:27:00,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 787. [2019-01-01 17:27:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2019-01-01 17:27:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1155 transitions. [2019-01-01 17:27:00,025 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1155 transitions. Word has length 15 [2019-01-01 17:27:00,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:00,025 INFO L480 AbstractCegarLoop]: Abstraction has 787 states and 1155 transitions. [2019-01-01 17:27:00,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:27:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1155 transitions. [2019-01-01 17:27:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 17:27:00,027 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:00,028 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] [2019-01-01 17:27:00,028 INFO L423 AbstractCegarLoop]: === Iteration 9 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:27:00,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:00,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1015802146, now seen corresponding path program 1 times [2019-01-01 17:27:00,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:27:00,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:27:00,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:00,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:00,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:00,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 17:27:00,277 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 17:27:00,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:00,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:00,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:00,547 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 17:27:00,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2019-01-01 17:27:00,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 17:27:00,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 17:27:00,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-01-01 17:27:00,549 INFO L87 Difference]: Start difference. First operand 787 states and 1155 transitions. Second operand 10 states. [2019-01-01 17:27:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:01,269 INFO L93 Difference]: Finished difference Result 2569 states and 3817 transitions. [2019-01-01 17:27:01,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 17:27:01,269 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-01-01 17:27:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:01,287 INFO L225 Difference]: With dead ends: 2569 [2019-01-01 17:27:01,287 INFO L226 Difference]: Without dead ends: 2569 [2019-01-01 17:27:01,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-01-01 17:27:01,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2019-01-01 17:27:01,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2431. [2019-01-01 17:27:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2019-01-01 17:27:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3565 transitions. [2019-01-01 17:27:01,406 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3565 transitions. Word has length 22 [2019-01-01 17:27:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:01,407 INFO L480 AbstractCegarLoop]: Abstraction has 2431 states and 3565 transitions. [2019-01-01 17:27:01,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 17:27:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3565 transitions. [2019-01-01 17:27:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 17:27:01,408 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:01,408 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] [2019-01-01 17:27:01,409 INFO L423 AbstractCegarLoop]: === Iteration 10 === [popErr3REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, pushErr3REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION]=== [2019-01-01 17:27:01,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:01,409 INFO L82 PathProgramCache]: Analyzing trace with hash -2036870500, now seen corresponding path program 1 times [2019-01-01 17:27:01,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:27:01,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:27:01,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:01,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:01,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:27:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:01,479 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 17:27:01,527 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 17:27:01,547 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 [2019-01-01 17:27:01,548 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 [2019-01-01 17:27:01,550 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 [2019-01-01 17:27:01,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:27:01 BoogieIcfgContainer [2019-01-01 17:27:01,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:27:01,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:27:01,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:27:01,566 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:27:01,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:26:57" (3/4) ... [2019-01-01 17:27:01,571 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 17:27:01,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:27:01,572 INFO L168 Benchmark]: Toolchain (without parser) took 6238.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.3 MB in the beginning and 794.7 MB in the end (delta: 148.6 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:01,575 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:01,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:01,576 INFO L168 Benchmark]: Boogie Preprocessor took 72.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:01,577 INFO L168 Benchmark]: RCFGBuilder took 1021.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:01,577 INFO L168 Benchmark]: TraceAbstraction took 4509.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 794.7 MB in the end (delta: 254.3 MB). Peak memory consumption was 254.3 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:01,578 INFO L168 Benchmark]: Witness Printer took 5.50 ms. Allocated memory is still 1.2 GB. Free memory is still 794.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:01,582 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.16 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 1021.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4509.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 794.7 MB in the end (delta: 254.3 MB). Peak memory consumption was 254.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.50 ms. Allocated memory is still 1.2 GB. Free memory is still 794.7 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)=18, \old(garbage)=21, \old(pc1)=13, \old(pc4)=22, \old(res4)=14, \old(S)=10, \old(S)=15, \old(t1)=27, \old(t1)=20, \old(t4)=11, \old(t4)=16, \old(x1)=23, \old(x1)=19, \old(x4)=26, \old(x4)=25, 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))={2:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={2:0}, 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))={2:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={2:0}, 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))={2:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={2:0}, 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={2:0}, 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={2:0}, 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={2:0}, 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, 74 locations, 20 error locations. UNSAFE Result, 4.4s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 854 SDtfs, 698 SDslu, 1242 SDs, 0 SdLazy, 336 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2431occurred 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, 266 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 5771 SizeOfPredicates, 8 NumberOfNonLiveVariables, 293 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 0.1.24-2e94e6a [2019-01-01 17:27:04,010 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:27:04,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:27:04,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:27:04,029 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:27:04,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:27:04,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:27:04,035 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:27:04,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:27:04,041 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:27:04,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:27:04,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:27:04,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:27:04,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:27:04,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:27:04,053 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:27:04,054 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:27:04,060 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:27:04,063 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:27:04,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:27:04,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:27:04,069 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:27:04,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:27:04,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:27:04,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:27:04,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:27:04,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:27:04,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:27:04,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:27:04,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:27:04,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:27:04,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:27:04,078 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:27:04,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:27:04,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:27:04,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:27:04,083 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 17:27:04,112 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:27:04,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:27:04,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:27:04,115 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:27:04,116 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:27:04,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:27:04,116 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:27:04,117 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:27:04,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:27:04,118 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:27:04,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:27:04,118 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:27:04,118 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:27:04,118 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:27:04,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:27:04,119 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 17:27:04,119 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 17:27:04,119 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:27:04,119 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:27:04,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:27:04,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:27:04,122 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:27:04,122 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:27:04,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:27:04,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:27:04,123 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:27:04,123 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 17:27:04,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:27:04,124 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 17:27:04,124 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 [2019-01-01 17:27:04,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:27:04,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:27:04,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:27:04,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:27:04,184 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:27:04,185 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2019-01-01 17:27:04,244 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e031c25/1961a6ae85a948cfa0ecc09c35022379/FLAG633b95195 [2019-01-01 17:27:04,772 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:27:04,772 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2019-01-01 17:27:04,792 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e031c25/1961a6ae85a948cfa0ecc09c35022379/FLAG633b95195 [2019-01-01 17:27:05,051 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e031c25/1961a6ae85a948cfa0ecc09c35022379 [2019-01-01 17:27:05,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:27:05,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:27:05,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:27:05,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:27:05,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:27:05,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a35997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05, skipping insertion in model container [2019-01-01 17:27:05,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:27:05,129 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:27:05,530 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:27:05,555 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:27:05,704 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:27:05,774 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:27:05,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05 WrapperNode [2019-01-01 17:27:05,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:27:05,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:27:05,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:27:05,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:27:05,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... [2019-01-01 17:27:05,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:27:05,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:27:05,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:27:05,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:27:05,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:27:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:27:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:27:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2019-01-01 17:27:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2019-01-01 17:27:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:27:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:27:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:27:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:27:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:27:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:27:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:27:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:27:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:27:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:27:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:27:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:27:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:27:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:27:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:27:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:27:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:27:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:27:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:27:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:27:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:27:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:27:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:27:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:27:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:27:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:27:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:27:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:27:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:27:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:27:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:27:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:27:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:27:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:27:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:27:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:27:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:27:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:27:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:27:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:27:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:27:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:27:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:27:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:27:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:27:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:27:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:27:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:27:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:27:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:27:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:27:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:27:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure push [2019-01-01 17:27:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:27:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:27:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:27:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:27:06,848 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:27:06,848 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-01 17:27:06,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:06 BoogieIcfgContainer [2019-01-01 17:27:06,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:27:06,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:27:06,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:27:06,853 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:27:06,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:27:05" (1/3) ... [2019-01-01 17:27:06,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608e1c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:27:06, skipping insertion in model container [2019-01-01 17:27:06,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:27:05" (2/3) ... [2019-01-01 17:27:06,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608e1c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:27:06, skipping insertion in model container [2019-01-01 17:27:06,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:06" (3/3) ... [2019-01-01 17:27:06,856 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2019-01-01 17:27:06,865 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:27:06,872 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2019-01-01 17:27:06,888 INFO L257 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2019-01-01 17:27:06,913 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:27:06,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:27:06,914 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:27:06,914 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:27:06,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:27:06,918 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:27:06,918 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:27:06,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:27:06,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:27:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2019-01-01 17:27:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-01 17:27:06,952 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:06,953 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:06,956 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:06,962 INFO L82 PathProgramCache]: Analyzing trace with hash -374167424, now seen corresponding path program 1 times [2019-01-01 17:27:06,967 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:06,968 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:27:06,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:07,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:07,096 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:07,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:07,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:07,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-01 17:27:07,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-01 17:27:07,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-01 17:27:07,121 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2019-01-01 17:27:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:07,141 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2019-01-01 17:27:07,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 17:27:07,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-01-01 17:27:07,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:07,165 INFO L225 Difference]: With dead ends: 72 [2019-01-01 17:27:07,165 INFO L226 Difference]: Without dead ends: 69 [2019-01-01 17:27:07,168 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 [2019-01-01 17:27:07,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-01 17:27:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-01-01 17:27:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-01-01 17:27:07,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 85 transitions. [2019-01-01 17:27:07,213 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 85 transitions. Word has length 8 [2019-01-01 17:27:07,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:07,213 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 85 transitions. [2019-01-01 17:27:07,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-01 17:27:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2019-01-01 17:27:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-01 17:27:07,214 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:07,214 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:07,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:07,215 INFO L82 PathProgramCache]: Analyzing trace with hash -374178956, now seen corresponding path program 1 times [2019-01-01 17:27:07,215 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:07,216 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:27:07,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:07,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:07,437 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:07,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:07,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 17:27:07,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:07,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:07,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:07,444 INFO L87 Difference]: Start difference. First operand 69 states and 85 transitions. Second operand 3 states. [2019-01-01 17:27:07,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:07,654 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2019-01-01 17:27:07,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:07,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-01-01 17:27:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:07,659 INFO L225 Difference]: With dead ends: 120 [2019-01-01 17:27:07,660 INFO L226 Difference]: Without dead ends: 120 [2019-01-01 17:27:07,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-01-01 17:27:07,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 102. [2019-01-01 17:27:07,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-01-01 17:27:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 145 transitions. [2019-01-01 17:27:07,682 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 145 transitions. Word has length 8 [2019-01-01 17:27:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:07,682 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 145 transitions. [2019-01-01 17:27:07,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2019-01-01 17:27:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-01 17:27:07,684 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:07,684 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:07,684 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:07,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:07,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1285352840, now seen corresponding path program 1 times [2019-01-01 17:27:07,686 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:07,687 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:27:07,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:07,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:07,841 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:07,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:07,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:07,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:07,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:07,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:07,848 INFO L87 Difference]: Start difference. First operand 102 states and 145 transitions. Second operand 3 states. [2019-01-01 17:27:08,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:08,293 INFO L93 Difference]: Finished difference Result 128 states and 182 transitions. [2019-01-01 17:27:08,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:08,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-01-01 17:27:08,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:08,299 INFO L225 Difference]: With dead ends: 128 [2019-01-01 17:27:08,299 INFO L226 Difference]: Without dead ends: 125 [2019-01-01 17:27:08,299 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 [2019-01-01 17:27:08,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-01-01 17:27:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 115. [2019-01-01 17:27:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-01-01 17:27:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2019-01-01 17:27:08,336 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 9 [2019-01-01 17:27:08,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:08,338 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2019-01-01 17:27:08,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2019-01-01 17:27:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 17:27:08,339 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:08,340 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:08,340 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:08,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:08,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1682126774, now seen corresponding path program 1 times [2019-01-01 17:27:08,341 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:08,341 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 [2019-01-01 17:27:08,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:08,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:08,578 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 [2019-01-01 17:27:08,580 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 17:27:08,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:27:08,608 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 17:27:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:08,656 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:08,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:08,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:08,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:08,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:08,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:08,664 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2019-01-01 17:27:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:09,151 INFO L93 Difference]: Finished difference Result 198 states and 290 transitions. [2019-01-01 17:27:09,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:09,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-01-01 17:27:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:09,155 INFO L225 Difference]: With dead ends: 198 [2019-01-01 17:27:09,156 INFO L226 Difference]: Without dead ends: 198 [2019-01-01 17:27:09,156 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 [2019-01-01 17:27:09,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-01-01 17:27:09,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 177. [2019-01-01 17:27:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-01-01 17:27:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 276 transitions. [2019-01-01 17:27:09,176 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 276 transitions. Word has length 11 [2019-01-01 17:27:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:09,177 INFO L480 AbstractCegarLoop]: Abstraction has 177 states and 276 transitions. [2019-01-01 17:27:09,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2019-01-01 17:27:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 17:27:09,177 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:09,178 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:09,178 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:09,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:09,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1682126773, now seen corresponding path program 1 times [2019-01-01 17:27:09,179 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:09,179 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 [2019-01-01 17:27:09,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:09,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:09,340 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 [2019-01-01 17:27:09,341 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 17:27:09,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:27:09,349 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 17:27:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:09,367 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:09,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:09,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:27:09,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:27:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:27:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:27:09,371 INFO L87 Difference]: Start difference. First operand 177 states and 276 transitions. Second operand 3 states. [2019-01-01 17:27:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:09,644 INFO L93 Difference]: Finished difference Result 249 states and 373 transitions. [2019-01-01 17:27:09,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:27:09,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-01-01 17:27:09,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:09,649 INFO L225 Difference]: With dead ends: 249 [2019-01-01 17:27:09,650 INFO L226 Difference]: Without dead ends: 249 [2019-01-01 17:27:09,650 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 [2019-01-01 17:27:09,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-01-01 17:27:09,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 231. [2019-01-01 17:27:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-01-01 17:27:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 360 transitions. [2019-01-01 17:27:09,673 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 360 transitions. Word has length 11 [2019-01-01 17:27:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:09,674 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 360 transitions. [2019-01-01 17:27:09,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:27:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 360 transitions. [2019-01-01 17:27:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-01 17:27:09,675 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:09,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:09,675 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:09,676 INFO L82 PathProgramCache]: Analyzing trace with hash -606315451, now seen corresponding path program 1 times [2019-01-01 17:27:09,676 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:09,676 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 [2019-01-01 17:27:09,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:09,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:09,845 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:09,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:09,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:27:09,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:27:09,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:27:09,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:27:09,849 INFO L87 Difference]: Start difference. First operand 231 states and 360 transitions. Second operand 4 states. [2019-01-01 17:27:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:09,917 INFO L93 Difference]: Finished difference Result 212 states and 298 transitions. [2019-01-01 17:27:09,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:27:09,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-01-01 17:27:09,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:09,924 INFO L225 Difference]: With dead ends: 212 [2019-01-01 17:27:09,925 INFO L226 Difference]: Without dead ends: 212 [2019-01-01 17:27:09,925 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 [2019-01-01 17:27:09,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-01-01 17:27:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 181. [2019-01-01 17:27:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-01-01 17:27:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 271 transitions. [2019-01-01 17:27:09,946 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 271 transitions. Word has length 12 [2019-01-01 17:27:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:09,946 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 271 transitions. [2019-01-01 17:27:09,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:27:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 271 transitions. [2019-01-01 17:27:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:27:09,947 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:09,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:09,947 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:09,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:09,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1147579843, now seen corresponding path program 1 times [2019-01-01 17:27:09,950 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:09,951 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 [2019-01-01 17:27:09,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:27:10,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:27:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:27:10,199 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:27:10,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:27:10,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:27:10,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:27:10,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:27:10,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:27:10,203 INFO L87 Difference]: Start difference. First operand 181 states and 271 transitions. Second operand 4 states. [2019-01-01 17:27:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:27:10,258 INFO L93 Difference]: Finished difference Result 281 states and 404 transitions. [2019-01-01 17:27:10,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:27:10,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-01-01 17:27:10,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:27:10,262 INFO L225 Difference]: With dead ends: 281 [2019-01-01 17:27:10,262 INFO L226 Difference]: Without dead ends: 281 [2019-01-01 17:27:10,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:27:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-01-01 17:27:10,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2019-01-01 17:27:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-01-01 17:27:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 404 transitions. [2019-01-01 17:27:10,305 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 404 transitions. Word has length 13 [2019-01-01 17:27:10,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:27:10,305 INFO L480 AbstractCegarLoop]: Abstraction has 281 states and 404 transitions. [2019-01-01 17:27:10,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:27:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 404 transitions. [2019-01-01 17:27:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 17:27:10,306 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:27:10,306 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:27:10,309 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr5ENSURES_VIOLATIONMEMORY_LEAK, mainErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2019-01-01 17:27:10,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:27:10,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1244435541, now seen corresponding path program 1 times [2019-01-01 17:27:10,310 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:27:10,311 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 [2019-01-01 17:27:10,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:27:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:27:10,688 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 17:27:10,717 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 17:27:10,726 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,726 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,726 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,727 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,727 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,727 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,727 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,729 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,729 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,729 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,729 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,730 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,733 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,733 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,734 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,734 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,734 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,734 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,734 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,735 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,735 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,735 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,735 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,735 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,738 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,739 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,739 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,739 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,740 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,740 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,740 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,740 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,742 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,742 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 [2019-01-01 17:27:10,742 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,742 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,743 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,745 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,745 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,745 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,745 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,746 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,746 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,746 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,746 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,747 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,748 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 [2019-01-01 17:27:10,749 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,749 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,749 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,751 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,751 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,752 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,752 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,752 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,752 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,753 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,754 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 [2019-01-01 17:27:10,754 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,754 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,754 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,756 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,756 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,758 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,759 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,759 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,759 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,761 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,761 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,762 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,763 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,763 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,764 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,764 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,766 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,768 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,769 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,769 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,770 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,770 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,771 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,771 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,773 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,773 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,774 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,774 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,776 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,777 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,778 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,778 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,779 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,779 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,779 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,781 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,782 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,782 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,782 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,784 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,785 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2019-01-01 17:27:10,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:27:10 BoogieIcfgContainer [2019-01-01 17:27:10,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:27:10,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:27:10,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:27:10,797 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:27:10,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:27:06" (3/4) ... [2019-01-01 17:27:10,805 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 17:27:10,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:27:10,807 INFO L168 Benchmark]: Toolchain (without parser) took 5752.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.3 MB in the beginning and 842.2 MB in the end (delta: 105.1 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:10,809 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:10,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:10,812 INFO L168 Benchmark]: Boogie Preprocessor took 89.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:10,812 INFO L168 Benchmark]: RCFGBuilder took 983.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:10,813 INFO L168 Benchmark]: TraceAbstraction took 3946.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 842.2 MB in the end (delta: 207.6 MB). Peak memory consumption was 207.6 MB. Max. memory is 11.5 GB. [2019-01-01 17:27:10,814 INFO L168 Benchmark]: Witness Printer took 8.50 ms. Allocated memory is still 1.2 GB. Free memory is still 842.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:27:10,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 718.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 983.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3946.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 842.2 MB in the end (delta: 207.6 MB). Peak memory consumption was 207.6 MB. Max. memory is 11.5 GB. * Witness Printer took 8.50 ms. Allocated memory is still 1.2 GB. Free memory is still 842.2 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: 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: 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 - 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))={1073741824:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={1073741824:0}, 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))={1073741824:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={1073741824:0}, 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))={1073741824:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={1073741824:0}, 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={1073741824:0}, 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={1073741824:0}, 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, 72 locations, 20 error locations. UNSAFE Result, 3.8s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 665 SDtfs, 386 SDslu, 442 SDs, 0 SdLazy, 146 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred 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, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1685 SizeOfPredicates, 13 NumberOfNonLiveVariables, 879 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...