./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer --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=/tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer --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 0.1.23-635dfa2 [2018-12-02 21:02:20,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:02:20,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:02:20,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:02:20,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:02:20,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:02:20,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:02:20,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:02:20,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:02:20,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:02:20,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:02:20,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:02:20,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:02:20,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:02:20,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:02:20,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:02:20,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:02:20,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:02:20,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:02:20,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:02:20,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:02:20,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:02:20,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:02:20,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:02:20,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:02:20,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:02:20,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:02:20,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:02:20,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:02:20,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:02:20,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:02:20,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:02:20,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:02:20,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:02:20,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:02:20,885 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:02:20,885 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 21:02:20,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:02:20,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:02:20,893 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:02:20,893 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:02:20,894 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:02:20,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:02:20,894 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:02:20,895 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:02:20,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:02:20,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:02:20,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 21:02:20,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:02:20,896 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 [2018-12-02 21:02:20,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:02:20,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:02:20,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:02:20,923 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:02:20,923 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:02:20,924 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 21:02:20,962 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/442f70d16/e327814409f743d0bd4a88983c8fbbe2/FLAG2ec13b81f [2018-12-02 21:02:21,408 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:02:21,409 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 21:02:21,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/442f70d16/e327814409f743d0bd4a88983c8fbbe2/FLAG2ec13b81f [2018-12-02 21:02:21,422 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/442f70d16/e327814409f743d0bd4a88983c8fbbe2 [2018-12-02 21:02:21,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:02:21,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 21:02:21,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:21,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:02:21,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:02:21,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21, skipping insertion in model container [2018-12-02 21:02:21,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:02:21,457 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:02:21,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:21,646 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:02:21,672 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:21,697 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:02:21,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21 WrapperNode [2018-12-02 21:02:21,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:21,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:02:21,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:02:21,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:02:21,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... [2018-12-02 21:02:21,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:02:21,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:02:21,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:02:21,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:02:21,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:02:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:02:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:02:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-12-02 21:02:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-12-02 21:02:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 21:02:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 21:02:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 21:02:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 21:02:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 21:02:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 21:02:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 21:02:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:02:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:02:22,011 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:02:22,011 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 21:02:22,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:22 BoogieIcfgContainer [2018-12-02 21:02:22,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:02:22,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:02:22,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:02:22,014 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:02:22,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:02:21" (1/3) ... [2018-12-02 21:02:22,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c8f59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:22, skipping insertion in model container [2018-12-02 21:02:22,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:21" (2/3) ... [2018-12-02 21:02:22,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c8f59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:22, skipping insertion in model container [2018-12-02 21:02:22,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:22" (3/3) ... [2018-12-02 21:02:22,017 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-12-02 21:02:22,025 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:02:22,031 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-12-02 21:02:22,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-12-02 21:02:22,054 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:02:22,055 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:02:22,055 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 21:02:22,055 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:02:22,055 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:02:22,055 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:02:22,055 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:02:22,055 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:02:22,055 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:02:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-12-02 21:02:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 21:02:22,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,070 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,071 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,075 INFO L82 PathProgramCache]: Analyzing trace with hash -245276830, now seen corresponding path program 1 times [2018-12-02 21:02:22,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:22,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:02:22,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:02:22,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:22,173 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2018-12-02 21:02:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,184 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2018-12-02 21:02:22,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:02:22,185 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-02 21:02:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,193 INFO L225 Difference]: With dead ends: 72 [2018-12-02 21:02:22,193 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 21:02:22,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:22,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 21:02:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-12-02 21:02:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-12-02 21:02:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2018-12-02 21:02:22,217 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 8 [2018-12-02 21:02:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,218 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2018-12-02 21:02:22,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:02:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-12-02 21:02:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 21:02:22,218 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,218 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,218 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,219 INFO L82 PathProgramCache]: Analyzing trace with hash 491951379, now seen corresponding path program 1 times [2018-12-02 21:02:22,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:02:22,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:22,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:22,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,250 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand 3 states. [2018-12-02 21:02:22,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,260 INFO L93 Difference]: Finished difference Result 70 states and 87 transitions. [2018-12-02 21:02:22,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:22,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-02 21:02:22,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,261 INFO L225 Difference]: With dead ends: 70 [2018-12-02 21:02:22,261 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 21:02:22,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 21:02:22,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-12-02 21:02:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-02 21:02:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2018-12-02 21:02:22,268 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 10 [2018-12-02 21:02:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,268 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2018-12-02 21:02:22,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-12-02 21:02:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 21:02:22,269 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,269 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,269 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,269 INFO L82 PathProgramCache]: Analyzing trace with hash 492010961, now seen corresponding path program 1 times [2018-12-02 21:02:22,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:02:22,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:22,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:22,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,312 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 3 states. [2018-12-02 21:02:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,333 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2018-12-02 21:02:22,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:22,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-02 21:02:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,334 INFO L225 Difference]: With dead ends: 124 [2018-12-02 21:02:22,334 INFO L226 Difference]: Without dead ends: 124 [2018-12-02 21:02:22,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-02 21:02:22,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2018-12-02 21:02:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-02 21:02:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2018-12-02 21:02:22,342 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 10 [2018-12-02 21:02:22,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,342 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2018-12-02 21:02:22,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2018-12-02 21:02:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 21:02:22,343 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,343 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1927530862, now seen corresponding path program 1 times [2018-12-02 21:02:22,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:22,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:22,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:22,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,364 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand 3 states. [2018-12-02 21:02:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,403 INFO L93 Difference]: Finished difference Result 136 states and 194 transitions. [2018-12-02 21:02:22,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:22,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-02 21:02:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,404 INFO L225 Difference]: With dead ends: 136 [2018-12-02 21:02:22,405 INFO L226 Difference]: Without dead ends: 133 [2018-12-02 21:02:22,405 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 [2018-12-02 21:02:22,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-02 21:02:22,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 124. [2018-12-02 21:02:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-02 21:02:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 181 transitions. [2018-12-02 21:02:22,412 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 181 transitions. Word has length 11 [2018-12-02 21:02:22,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,412 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 181 transitions. [2018-12-02 21:02:22,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2018-12-02 21:02:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 21:02:22,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,412 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1338076557, now seen corresponding path program 1 times [2018-12-02 21:02:22,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:22,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:22,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:22,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,433 INFO L87 Difference]: Start difference. First operand 124 states and 181 transitions. Second operand 3 states. [2018-12-02 21:02:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,480 INFO L93 Difference]: Finished difference Result 210 states and 308 transitions. [2018-12-02 21:02:22,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:22,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 21:02:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,482 INFO L225 Difference]: With dead ends: 210 [2018-12-02 21:02:22,482 INFO L226 Difference]: Without dead ends: 210 [2018-12-02 21:02:22,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-12-02 21:02:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 191. [2018-12-02 21:02:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-12-02 21:02:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 296 transitions. [2018-12-02 21:02:22,492 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 296 transitions. Word has length 13 [2018-12-02 21:02:22,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,493 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 296 transitions. [2018-12-02 21:02:22,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 296 transitions. [2018-12-02 21:02:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 21:02:22,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,493 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,493 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1338076558, now seen corresponding path program 1 times [2018-12-02 21:02:22,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:22,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:22,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:22,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,518 INFO L87 Difference]: Start difference. First operand 191 states and 296 transitions. Second operand 3 states. [2018-12-02 21:02:22,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,561 INFO L93 Difference]: Finished difference Result 261 states and 391 transitions. [2018-12-02 21:02:22,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:22,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 21:02:22,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,564 INFO L225 Difference]: With dead ends: 261 [2018-12-02 21:02:22,564 INFO L226 Difference]: Without dead ends: 261 [2018-12-02 21:02:22,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-12-02 21:02:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 245. [2018-12-02 21:02:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-12-02 21:02:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 380 transitions. [2018-12-02 21:02:22,577 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 380 transitions. Word has length 13 [2018-12-02 21:02:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,578 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 380 transitions. [2018-12-02 21:02:22,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 380 transitions. [2018-12-02 21:02:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 21:02:22,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,579 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1469292702, now seen corresponding path program 1 times [2018-12-02 21:02:22,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:02:22,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:02:22,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:02:22,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:02:22,608 INFO L87 Difference]: Start difference. First operand 245 states and 380 transitions. Second operand 5 states. [2018-12-02 21:02:22,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,642 INFO L93 Difference]: Finished difference Result 463 states and 693 transitions. [2018-12-02 21:02:22,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 21:02:22,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 21:02:22,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,644 INFO L225 Difference]: With dead ends: 463 [2018-12-02 21:02:22,644 INFO L226 Difference]: Without dead ends: 463 [2018-12-02 21:02:22,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:02:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-12-02 21:02:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 437. [2018-12-02 21:02:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-02 21:02:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 673 transitions. [2018-12-02 21:02:22,657 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 673 transitions. Word has length 14 [2018-12-02 21:02:22,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,657 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 673 transitions. [2018-12-02 21:02:22,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:02:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 673 transitions. [2018-12-02 21:02:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 21:02:22,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,658 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,659 INFO L82 PathProgramCache]: Analyzing trace with hash 165088838, now seen corresponding path program 1 times [2018-12-02 21:02:22,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:22,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:02:22,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:02:22,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:02:22,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:02:22,685 INFO L87 Difference]: Start difference. First operand 437 states and 673 transitions. Second operand 5 states. [2018-12-02 21:02:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:22,726 INFO L93 Difference]: Finished difference Result 815 states and 1179 transitions. [2018-12-02 21:02:22,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 21:02:22,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-02 21:02:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:22,730 INFO L225 Difference]: With dead ends: 815 [2018-12-02 21:02:22,730 INFO L226 Difference]: Without dead ends: 815 [2018-12-02 21:02:22,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:02:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-12-02 21:02:22,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 785. [2018-12-02 21:02:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-12-02 21:02:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1153 transitions. [2018-12-02 21:02:22,759 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1153 transitions. Word has length 15 [2018-12-02 21:02:22,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:22,760 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 1153 transitions. [2018-12-02 21:02:22,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:02:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1153 transitions. [2018-12-02 21:02:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:02:22,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:22,761 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:22,761 INFO L423 AbstractCegarLoop]: === Iteration 9 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:22,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:22,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1260230172, now seen corresponding path program 1 times [2018-12-02 21:02:22,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:22,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:22,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,822 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:02:22,822 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:02:22,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:22,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:22,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:02:22,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-12-02 21:02:22,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 21:02:22,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 21:02:22,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:02:22,940 INFO L87 Difference]: Start difference. First operand 785 states and 1153 transitions. Second operand 10 states. [2018-12-02 21:02:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:23,118 INFO L93 Difference]: Finished difference Result 2565 states and 3813 transitions. [2018-12-02 21:02:23,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 21:02:23,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-12-02 21:02:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:23,129 INFO L225 Difference]: With dead ends: 2565 [2018-12-02 21:02:23,129 INFO L226 Difference]: Without dead ends: 2565 [2018-12-02 21:02:23,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-12-02 21:02:23,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2018-12-02 21:02:23,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2429. [2018-12-02 21:02:23,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2429 states. [2018-12-02 21:02:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 3563 transitions. [2018-12-02 21:02:23,190 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 3563 transitions. Word has length 22 [2018-12-02 21:02:23,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:23,190 INFO L480 AbstractCegarLoop]: Abstraction has 2429 states and 3563 transitions. [2018-12-02 21:02:23,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 21:02:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3563 transitions. [2018-12-02 21:02:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:02:23,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:23,191 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:23,191 INFO L423 AbstractCegarLoop]: === Iteration 10 === [popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION]=== [2018-12-02 21:02:23,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:23,192 INFO L82 PathProgramCache]: Analyzing trace with hash 239161818, now seen corresponding path program 1 times [2018-12-02 21:02:23,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:23,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:23,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:23,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:23,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:23,242 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:02:23,255 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 21:02:23,261 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-02 21:02:23,261 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-02 21:02:23,262 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-02 21:02:23,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:02:23 BoogieIcfgContainer [2018-12-02 21:02:23,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:02:23,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:02:23,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:02:23,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:02:23,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:22" (3/4) ... [2018-12-02 21:02:23,272 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 21:02:23,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:02:23,272 INFO L168 Benchmark]: Toolchain (without parser) took 1848.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -253.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:23,273 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:23,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:23,274 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:23,274 INFO L168 Benchmark]: RCFGBuilder took 281.28 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:23,274 INFO L168 Benchmark]: TraceAbstraction took 1256.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -140.3 MB). Peak memory consumption was 275.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:23,275 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:23,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.86 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 281.28 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1256.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -140.3 MB). Peak memory consumption was 275.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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)=22, \old(pc1)=13, \old(pc4)=23, \old(res4)=14, \old(S)=10, \old(S)=15, \old(t1)=20, \old(t1)=28, \old(t4)=16, \old(t4)=11, \old(x1)=19, \old(x1)=24, \old(x4)=26, \old(x4)=27, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=1, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={21:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L634] x1->data = 0 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={21:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={21:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={21:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, \result=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 72 locations, 19 error locations. UNSAFE Result, 1.2s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 832 SDtfs, 716 SDslu, 1200 SDs, 0 SdLazy, 341 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2429occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 254 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 5771 SizeOfPredicates, 8 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:02:24,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:02:24,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:02:24,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:02:24,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:02:24,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:02:24,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:02:24,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:02:24,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:02:24,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:02:24,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:02:24,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:02:24,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:02:24,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:02:24,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:02:24,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:02:24,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:02:24,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:02:24,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:02:24,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:02:24,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:02:24,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:02:24,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:02:24,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:02:24,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:02:24,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:02:24,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:02:24,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:02:24,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:02:24,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:02:24,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:02:24,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:02:24,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:02:24,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:02:24,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:02:24,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:02:24,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-02 21:02:24,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:02:24,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:02:24,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:02:24,561 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:02:24,562 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:02:24,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:02:24,562 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:02:24,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:02:24,562 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 21:02:24,563 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:02:24,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:02:24,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:02:24,564 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 21:02:24,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:02:24,565 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 21:02:24,565 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 [2018-12-02 21:02:24,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:02:24,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:02:24,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:02:24,601 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:02:24,601 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:02:24,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 21:02:24,647 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/b03834666/3c35085969ba406ea0331d3f7ed0a6f2/FLAG0642ceddc [2018-12-02 21:02:25,073 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:02:25,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 21:02:25,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/b03834666/3c35085969ba406ea0331d3f7ed0a6f2/FLAG0642ceddc [2018-12-02 21:02:25,088 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/data/b03834666/3c35085969ba406ea0331d3f7ed0a6f2 [2018-12-02 21:02:25,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:02:25,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 21:02:25,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:25,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:02:25,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:02:25,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f01457b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25, skipping insertion in model container [2018-12-02 21:02:25,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:02:25,118 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:02:25,271 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:25,280 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:02:25,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:25,377 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:02:25,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25 WrapperNode [2018-12-02 21:02:25,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:25,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:02:25,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:02:25,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:02:25,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... [2018-12-02 21:02:25,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:02:25,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:02:25,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:02:25,412 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:02:25,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:02:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:02:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:02:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-12-02 21:02:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-12-02 21:02:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:02:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-12-02 21:02:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 21:02:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 21:02:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 21:02:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 21:02:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 21:02:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 21:02:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 21:02:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 21:02:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 21:02:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 21:02:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 21:02:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 21:02:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 21:02:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 21:02:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:02:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:02:25,758 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:02:25,759 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 21:02:25,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:25 BoogieIcfgContainer [2018-12-02 21:02:25,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:02:25,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:02:25,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:02:25,761 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:02:25,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:02:25" (1/3) ... [2018-12-02 21:02:25,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40404f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:25, skipping insertion in model container [2018-12-02 21:02:25,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:25" (2/3) ... [2018-12-02 21:02:25,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40404f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:25, skipping insertion in model container [2018-12-02 21:02:25,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:25" (3/3) ... [2018-12-02 21:02:25,763 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-12-02 21:02:25,769 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:02:25,773 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-12-02 21:02:25,781 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-12-02 21:02:25,795 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:02:25,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:02:25,795 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 21:02:25,795 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:02:25,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:02:25,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:02:25,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:02:25,796 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:02:25,796 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:02:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-12-02 21:02:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 21:02:25,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:25,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:25,811 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:25,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:25,814 INFO L82 PathProgramCache]: Analyzing trace with hash 433272578, now seen corresponding path program 1 times [2018-12-02 21:02:25,817 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:25,817 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:25,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:25,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:25,883 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:25,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:25,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:25,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:02:25,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:02:25,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:25,898 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-12-02 21:02:25,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:25,910 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2018-12-02 21:02:25,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:02:25,911 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-02 21:02:25,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:25,919 INFO L225 Difference]: With dead ends: 70 [2018-12-02 21:02:25,919 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 21:02:25,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:25,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 21:02:25,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-02 21:02:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-02 21:02:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2018-12-02 21:02:25,944 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 8 [2018-12-02 21:02:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:25,944 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2018-12-02 21:02:25,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:02:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2018-12-02 21:02:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 21:02:25,945 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:25,945 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:25,945 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:25,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:25,945 INFO L82 PathProgramCache]: Analyzing trace with hash 433261046, now seen corresponding path program 1 times [2018-12-02 21:02:25,946 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:25,946 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:25,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:25,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,004 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:02:26,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:26,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:26,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,007 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 3 states. [2018-12-02 21:02:26,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,040 INFO L93 Difference]: Finished difference Result 118 states and 151 transitions. [2018-12-02 21:02:26,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:26,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-02 21:02:26,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,042 INFO L225 Difference]: With dead ends: 118 [2018-12-02 21:02:26,042 INFO L226 Difference]: Without dead ends: 118 [2018-12-02 21:02:26,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-02 21:02:26,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2018-12-02 21:02:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-02 21:02:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2018-12-02 21:02:26,052 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 8 [2018-12-02 21:02:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,052 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2018-12-02 21:02:26,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2018-12-02 21:02:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 21:02:26,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,053 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,053 INFO L82 PathProgramCache]: Analyzing trace with hash 546189062, now seen corresponding path program 1 times [2018-12-02 21:02:26,053 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,053 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,106 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:26,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:26,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:26,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,108 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 3 states. [2018-12-02 21:02:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,209 INFO L93 Difference]: Finished difference Result 124 states and 178 transitions. [2018-12-02 21:02:26,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:26,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-02 21:02:26,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,211 INFO L225 Difference]: With dead ends: 124 [2018-12-02 21:02:26,211 INFO L226 Difference]: Without dead ends: 121 [2018-12-02 21:02:26,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-02 21:02:26,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2018-12-02 21:02:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-02 21:02:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2018-12-02 21:02:26,223 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 9 [2018-12-02 21:02:26,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,223 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2018-12-02 21:02:26,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2018-12-02 21:02:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 21:02:26,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,224 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,224 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,224 INFO L82 PathProgramCache]: Analyzing trace with hash 946055626, now seen corresponding path program 1 times [2018-12-02 21:02:26,224 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,225 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,328 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 21:02:26,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,333 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 21:02:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,335 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:26,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:26,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:26,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,338 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2018-12-02 21:02:26,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,448 INFO L93 Difference]: Finished difference Result 194 states and 286 transitions. [2018-12-02 21:02:26,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:26,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-02 21:02:26,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,449 INFO L225 Difference]: With dead ends: 194 [2018-12-02 21:02:26,450 INFO L226 Difference]: Without dead ends: 194 [2018-12-02 21:02:26,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-12-02 21:02:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 175. [2018-12-02 21:02:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-12-02 21:02:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2018-12-02 21:02:26,461 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 11 [2018-12-02 21:02:26,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,461 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2018-12-02 21:02:26,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2018-12-02 21:02:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 21:02:26,461 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,462 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,462 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,462 INFO L82 PathProgramCache]: Analyzing trace with hash 946055627, now seen corresponding path program 1 times [2018-12-02 21:02:26,462 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,462 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 21:02:26,549 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,553 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 21:02:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,559 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:26,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:02:26,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:02:26,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,561 INFO L87 Difference]: Start difference. First operand 175 states and 274 transitions. Second operand 3 states. [2018-12-02 21:02:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,678 INFO L93 Difference]: Finished difference Result 245 states and 369 transitions. [2018-12-02 21:02:26,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:02:26,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-02 21:02:26,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,680 INFO L225 Difference]: With dead ends: 245 [2018-12-02 21:02:26,680 INFO L226 Difference]: Without dead ends: 245 [2018-12-02 21:02:26,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:02:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-02 21:02:26,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 229. [2018-12-02 21:02:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-12-02 21:02:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 358 transitions. [2018-12-02 21:02:26,691 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 358 transitions. Word has length 11 [2018-12-02 21:02:26,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,691 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 358 transitions. [2018-12-02 21:02:26,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:02:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 358 transitions. [2018-12-02 21:02:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 21:02:26,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,692 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,692 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,692 INFO L82 PathProgramCache]: Analyzing trace with hash -737039675, now seen corresponding path program 1 times [2018-12-02 21:02:26,692 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,693 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,745 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:02:26,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:02:26,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:02:26,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:02:26,747 INFO L87 Difference]: Start difference. First operand 229 states and 358 transitions. Second operand 4 states. [2018-12-02 21:02:26,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,769 INFO L93 Difference]: Finished difference Result 208 states and 294 transitions. [2018-12-02 21:02:26,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 21:02:26,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-12-02 21:02:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,770 INFO L225 Difference]: With dead ends: 208 [2018-12-02 21:02:26,770 INFO L226 Difference]: Without dead ends: 208 [2018-12-02 21:02:26,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:02:26,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-12-02 21:02:26,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 179. [2018-12-02 21:02:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-12-02 21:02:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 269 transitions. [2018-12-02 21:02:26,776 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 269 transitions. Word has length 12 [2018-12-02 21:02:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,776 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 269 transitions. [2018-12-02 21:02:26,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:02:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 269 transitions. [2018-12-02 21:02:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 21:02:26,777 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,777 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,777 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1390096195, now seen corresponding path program 1 times [2018-12-02 21:02:26,778 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,778 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,827 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:02:26,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:02:26,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:02:26,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:02:26,829 INFO L87 Difference]: Start difference. First operand 179 states and 269 transitions. Second operand 4 states. [2018-12-02 21:02:26,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,853 INFO L93 Difference]: Finished difference Result 279 states and 402 transitions. [2018-12-02 21:02:26,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 21:02:26,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-12-02 21:02:26,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,855 INFO L225 Difference]: With dead ends: 279 [2018-12-02 21:02:26,855 INFO L226 Difference]: Without dead ends: 279 [2018-12-02 21:02:26,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:02:26,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-12-02 21:02:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-12-02 21:02:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-02 21:02:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 402 transitions. [2018-12-02 21:02:26,864 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 402 transitions. Word has length 13 [2018-12-02 21:02:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,865 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 402 transitions. [2018-12-02 21:02:26,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:02:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2018-12-02 21:02:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 21:02:26,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,866 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr2REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr3ASSERT_VIOLATIONMEMORY_FREE, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,866 INFO L82 PathProgramCache]: Analyzing trace with hash 531682195, now seen corresponding path program 1 times [2018-12-02 21:02:26,866 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,866 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_152eee77-cd7c-4f78-af45-f655db2901fa/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:27,078 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:02:27,091 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 21:02:27,095 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,096 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,097 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,097 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,097 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,097 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,098 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,098 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,098 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,098 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,099 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,100 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,100 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,100 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-02 21:02:27,100 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,101 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,102 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,102 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,102 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,102 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,102 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,103 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,104 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,104 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,104 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,104 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,104 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,105 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,106 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,106 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,106 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,106 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,108 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,108 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,108 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,108 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,109 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,110 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,110 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,110 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,110 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,110 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,111 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,112 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,112 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,112 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,112 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-02 21:02:27,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:02:27 BoogieIcfgContainer [2018-12-02 21:02:27,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:02:27,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:02:27,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:02:27,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:02:27,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:25" (3/4) ... [2018-12-02 21:02:27,119 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 21:02:27,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:02:27,120 INFO L168 Benchmark]: Toolchain (without parser) took 2030.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 938.0 MB in the beginning and 822.5 MB in the end (delta: 115.5 MB). Peak memory consumption was 236.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:27,121 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:27,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:27,121 INFO L168 Benchmark]: Boogie Preprocessor took 34.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:27,122 INFO L168 Benchmark]: RCFGBuilder took 347.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:27,122 INFO L168 Benchmark]: TraceAbstraction took 1357.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 822.5 MB in the end (delta: 215.7 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:27,122 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 822.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:27,124 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 347.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1357.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 822.5 MB in the end (delta: 215.7 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 822.5 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: 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: 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=0, \old(pc4)=0, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L634] x1->data = 0 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, \result=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 19 error locations. UNSAFE Result, 1.3s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 647 SDtfs, 376 SDslu, 430 SDs, 0 SdLazy, 144 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 90 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1685 SizeOfPredicates, 13 NumberOfNonLiveVariables, 877 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...