./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:10,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:10,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:10,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:10,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:10,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:10,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:10,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:10,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:10,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:10,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:10,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:10,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:10,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:10,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:10,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:10,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:10,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:10,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:10,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:10,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:10,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:10,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:10,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:10,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:10,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:10,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:10,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:10,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:10,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:10,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:10,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:10,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:10,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:10,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:10,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:10,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:10,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:10,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:10,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:10,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:10,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:54:10,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:10,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:10,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:10,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:10,754 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:10,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:10,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:10,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:10,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:10,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:10,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:10,755 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:54:10,755 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:54:10,755 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:54:10,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:10,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:10,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:10,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:10,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:10,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:10,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:10,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:10,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:10,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:10,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:10,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:10,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-10-22 08:54:10,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:10,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:10,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:10,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:10,809 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:10,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-10-22 08:54:10,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/072a36007/fc448dbfe0184cc4bfc9dc4519b5ca7e/FLAG7be8183da [2019-10-22 08:54:11,289 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:11,290 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-10-22 08:54:11,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/072a36007/fc448dbfe0184cc4bfc9dc4519b5ca7e/FLAG7be8183da [2019-10-22 08:54:11,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/072a36007/fc448dbfe0184cc4bfc9dc4519b5ca7e [2019-10-22 08:54:11,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:11,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:54:11,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:11,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:11,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:11,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6776966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11, skipping insertion in model container [2019-10-22 08:54:11,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,674 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:11,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:12,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,029 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:12,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,113 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:12,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12 WrapperNode [2019-10-22 08:54:12,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:12,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:12,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:12,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:12,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:12,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 [2019-10-22 08:54:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:54:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:54:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:54:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:54:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:54:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:54:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:54:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 08:54:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:54:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:54:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:54:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:54:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:54:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:54:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:54:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:54:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:54:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:12,897 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:12,897 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-10-22 08:54:12,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12 BoogieIcfgContainer [2019-10-22 08:54:12,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:12,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:12,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:12,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:12,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:11" (1/3) ... [2019-10-22 08:54:12,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de343a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (2/3) ... [2019-10-22 08:54:12,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de343a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12" (3/3) ... [2019-10-22 08:54:12,907 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2019-10-22 08:54:12,917 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:12,925 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 70 error locations. [2019-10-22 08:54:12,935 INFO L249 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2019-10-22 08:54:12,957 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:12,959 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:54:12,960 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:12,960 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:12,960 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:12,960 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:12,961 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:12,961 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-10-22 08:54:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:54:12,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:12,996 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:12,998 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:13,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1976719418, now seen corresponding path program 1 times [2019-10-22 08:54:13,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155840131] [2019-10-22 08:54:13,015 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:13,171 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155840131] [2019-10-22 08:54:13,172 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:13,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:13,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484051010] [2019-10-22 08:54:13,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:13,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:13,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:13,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:13,192 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2019-10-22 08:54:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:13,593 INFO L93 Difference]: Finished difference Result 181 states and 188 transitions. [2019-10-22 08:54:13,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:13,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 08:54:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:13,606 INFO L225 Difference]: With dead ends: 181 [2019-10-22 08:54:13,608 INFO L226 Difference]: Without dead ends: 177 [2019-10-22 08:54:13,610 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:13,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-10-22 08:54:13,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 149. [2019-10-22 08:54:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-22 08:54:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 154 transitions. [2019-10-22 08:54:13,665 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 154 transitions. Word has length 7 [2019-10-22 08:54:13,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:13,665 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 154 transitions. [2019-10-22 08:54:13,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:13,666 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2019-10-22 08:54:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:54:13,666 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:13,666 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,667 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:13,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1976719417, now seen corresponding path program 1 times [2019-10-22 08:54:13,668 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104312095] [2019-10-22 08:54:13,668 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,668 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:13,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104312095] [2019-10-22 08:54:13,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:13,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:13,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933611405] [2019-10-22 08:54:13,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:13,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:13,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:13,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:13,739 INFO L87 Difference]: Start difference. First operand 149 states and 154 transitions. Second operand 4 states. [2019-10-22 08:54:14,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:14,065 INFO L93 Difference]: Finished difference Result 146 states and 151 transitions. [2019-10-22 08:54:14,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:14,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 08:54:14,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:14,066 INFO L225 Difference]: With dead ends: 146 [2019-10-22 08:54:14,067 INFO L226 Difference]: Without dead ends: 146 [2019-10-22 08:54:14,067 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:14,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-22 08:54:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-22 08:54:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-22 08:54:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 151 transitions. [2019-10-22 08:54:14,083 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 151 transitions. Word has length 7 [2019-10-22 08:54:14,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:14,083 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 151 transitions. [2019-10-22 08:54:14,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2019-10-22 08:54:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:14,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:14,084 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:14,085 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:14,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:14,085 INFO L82 PathProgramCache]: Analyzing trace with hash -404940086, now seen corresponding path program 1 times [2019-10-22 08:54:14,085 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:14,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578527756] [2019-10-22 08:54:14,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:14,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578527756] [2019-10-22 08:54:14,148 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:14,148 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:14,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061744402] [2019-10-22 08:54:14,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:14,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:14,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:14,149 INFO L87 Difference]: Start difference. First operand 146 states and 151 transitions. Second operand 4 states. [2019-10-22 08:54:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:14,411 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2019-10-22 08:54:14,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:14,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 08:54:14,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:14,412 INFO L225 Difference]: With dead ends: 145 [2019-10-22 08:54:14,413 INFO L226 Difference]: Without dead ends: 145 [2019-10-22 08:54:14,413 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-22 08:54:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2019-10-22 08:54:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 08:54:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2019-10-22 08:54:14,422 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 11 [2019-10-22 08:54:14,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:14,422 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2019-10-22 08:54:14,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2019-10-22 08:54:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:14,423 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:14,423 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:14,423 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:14,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:14,424 INFO L82 PathProgramCache]: Analyzing trace with hash -404940085, now seen corresponding path program 1 times [2019-10-22 08:54:14,424 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:14,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274592832] [2019-10-22 08:54:14,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:14,482 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274592832] [2019-10-22 08:54:14,482 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:14,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:14,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357187893] [2019-10-22 08:54:14,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:14,483 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:14,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:14,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:14,484 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 4 states. [2019-10-22 08:54:14,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:14,694 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2019-10-22 08:54:14,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:14,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 08:54:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:14,695 INFO L225 Difference]: With dead ends: 158 [2019-10-22 08:54:14,696 INFO L226 Difference]: Without dead ends: 158 [2019-10-22 08:54:14,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:54:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-10-22 08:54:14,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 145. [2019-10-22 08:54:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 08:54:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 152 transitions. [2019-10-22 08:54:14,703 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 152 transitions. Word has length 11 [2019-10-22 08:54:14,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:14,704 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 152 transitions. [2019-10-22 08:54:14,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2019-10-22 08:54:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:54:14,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:14,705 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:14,705 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:14,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:14,706 INFO L82 PathProgramCache]: Analyzing trace with hash -716582381, now seen corresponding path program 1 times [2019-10-22 08:54:14,706 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:14,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094598122] [2019-10-22 08:54:14,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:14,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:14,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094598122] [2019-10-22 08:54:14,786 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:14,786 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:14,786 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302477266] [2019-10-22 08:54:14,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:14,787 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:14,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:14,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:14,788 INFO L87 Difference]: Start difference. First operand 145 states and 152 transitions. Second operand 5 states. [2019-10-22 08:54:15,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,077 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2019-10-22 08:54:15,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:15,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-10-22 08:54:15,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,078 INFO L225 Difference]: With dead ends: 146 [2019-10-22 08:54:15,078 INFO L226 Difference]: Without dead ends: 146 [2019-10-22 08:54:15,078 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-22 08:54:15,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 132. [2019-10-22 08:54:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-22 08:54:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 141 transitions. [2019-10-22 08:54:15,089 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 141 transitions. Word has length 17 [2019-10-22 08:54:15,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,090 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 141 transitions. [2019-10-22 08:54:15,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2019-10-22 08:54:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:54:15,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,090 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,091 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:15,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,091 INFO L82 PathProgramCache]: Analyzing trace with hash -716582380, now seen corresponding path program 1 times [2019-10-22 08:54:15,091 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934160373] [2019-10-22 08:54:15,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,234 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934160373] [2019-10-22 08:54:15,234 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,234 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:54:15,234 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745169853] [2019-10-22 08:54:15,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:54:15,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:54:15,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:54:15,235 INFO L87 Difference]: Start difference. First operand 132 states and 141 transitions. Second operand 7 states. [2019-10-22 08:54:15,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:15,597 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2019-10-22 08:54:15,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:15,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-10-22 08:54:15,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:15,598 INFO L225 Difference]: With dead ends: 170 [2019-10-22 08:54:15,598 INFO L226 Difference]: Without dead ends: 170 [2019-10-22 08:54:15,598 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:15,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-10-22 08:54:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2019-10-22 08:54:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 08:54:15,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 153 transitions. [2019-10-22 08:54:15,605 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 153 transitions. Word has length 17 [2019-10-22 08:54:15,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:15,605 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 153 transitions. [2019-10-22 08:54:15,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:54:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 153 transitions. [2019-10-22 08:54:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:54:15,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:15,606 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,607 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1440900586, now seen corresponding path program 1 times [2019-10-22 08:54:15,607 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651845076] [2019-10-22 08:54:15,608 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,608 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:15,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651845076] [2019-10-22 08:54:15,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:15,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:15,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27327785] [2019-10-22 08:54:15,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:15,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:15,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:15,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:15,695 INFO L87 Difference]: Start difference. First operand 141 states and 153 transitions. Second operand 6 states. [2019-10-22 08:54:16,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,028 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2019-10-22 08:54:16,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:16,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-10-22 08:54:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,029 INFO L225 Difference]: With dead ends: 187 [2019-10-22 08:54:16,029 INFO L226 Difference]: Without dead ends: 187 [2019-10-22 08:54:16,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:16,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-10-22 08:54:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 140. [2019-10-22 08:54:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 08:54:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 151 transitions. [2019-10-22 08:54:16,034 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 151 transitions. Word has length 19 [2019-10-22 08:54:16,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,035 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 151 transitions. [2019-10-22 08:54:16,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2019-10-22 08:54:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:54:16,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,035 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,036 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:16,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1440900585, now seen corresponding path program 1 times [2019-10-22 08:54:16,037 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:16,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191894976] [2019-10-22 08:54:16,037 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,037 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,106 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191894976] [2019-10-22 08:54:16,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:16,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406358487] [2019-10-22 08:54:16,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:16,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:16,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:16,108 INFO L87 Difference]: Start difference. First operand 140 states and 151 transitions. Second operand 6 states. [2019-10-22 08:54:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,474 INFO L93 Difference]: Finished difference Result 210 states and 227 transitions. [2019-10-22 08:54:16,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:54:16,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-10-22 08:54:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,475 INFO L225 Difference]: With dead ends: 210 [2019-10-22 08:54:16,475 INFO L226 Difference]: Without dead ends: 210 [2019-10-22 08:54:16,476 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:16,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-10-22 08:54:16,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 139. [2019-10-22 08:54:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 08:54:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 149 transitions. [2019-10-22 08:54:16,480 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 149 transitions. Word has length 19 [2019-10-22 08:54:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,480 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 149 transitions. [2019-10-22 08:54:16,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2019-10-22 08:54:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:54:16,481 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,481 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,481 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,482 INFO L82 PathProgramCache]: Analyzing trace with hash -822327720, now seen corresponding path program 1 times [2019-10-22 08:54:16,482 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:16,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152946489] [2019-10-22 08:54:16,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:16,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152946489] [2019-10-22 08:54:16,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 08:54:16,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119767942] [2019-10-22 08:54:16,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:54:16,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:16,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:54:16,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:54:16,603 INFO L87 Difference]: Start difference. First operand 139 states and 149 transitions. Second operand 10 states. [2019-10-22 08:54:17,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:17,133 INFO L93 Difference]: Finished difference Result 151 states and 161 transitions. [2019-10-22 08:54:17,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:54:17,134 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-10-22 08:54:17,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:17,135 INFO L225 Difference]: With dead ends: 151 [2019-10-22 08:54:17,135 INFO L226 Difference]: Without dead ends: 151 [2019-10-22 08:54:17,135 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:54:17,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-22 08:54:17,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 138. [2019-10-22 08:54:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 08:54:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 148 transitions. [2019-10-22 08:54:17,138 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 148 transitions. Word has length 23 [2019-10-22 08:54:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:17,139 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 148 transitions. [2019-10-22 08:54:17,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:54:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2019-10-22 08:54:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:54:17,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:17,140 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:17,141 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,146 INFO L82 PathProgramCache]: Analyzing trace with hash -822327719, now seen corresponding path program 1 times [2019-10-22 08:54:17,146 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212908077] [2019-10-22 08:54:17,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212908077] [2019-10-22 08:54:17,309 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:17,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 08:54:17,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50916284] [2019-10-22 08:54:17,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 08:54:17,310 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:17,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 08:54:17,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:54:17,310 INFO L87 Difference]: Start difference. First operand 138 states and 148 transitions. Second operand 11 states. [2019-10-22 08:54:18,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:18,090 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2019-10-22 08:54:18,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-22 08:54:18,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-10-22 08:54:18,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:18,092 INFO L225 Difference]: With dead ends: 162 [2019-10-22 08:54:18,092 INFO L226 Difference]: Without dead ends: 162 [2019-10-22 08:54:18,093 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-10-22 08:54:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-10-22 08:54:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 140. [2019-10-22 08:54:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 08:54:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 150 transitions. [2019-10-22 08:54:18,096 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 150 transitions. Word has length 23 [2019-10-22 08:54:18,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:18,097 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 150 transitions. [2019-10-22 08:54:18,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 08:54:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2019-10-22 08:54:18,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:54:18,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:18,098 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:18,098 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:18,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:18,098 INFO L82 PathProgramCache]: Analyzing trace with hash -2135222368, now seen corresponding path program 1 times [2019-10-22 08:54:18,098 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:18,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734581326] [2019-10-22 08:54:18,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734581326] [2019-10-22 08:54:18,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:18,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:54:18,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835503272] [2019-10-22 08:54:18,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:54:18,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:18,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:54:18,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:54:18,162 INFO L87 Difference]: Start difference. First operand 140 states and 150 transitions. Second operand 7 states. [2019-10-22 08:54:18,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:18,429 INFO L93 Difference]: Finished difference Result 165 states and 176 transitions. [2019-10-22 08:54:18,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:54:18,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-10-22 08:54:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:18,430 INFO L225 Difference]: With dead ends: 165 [2019-10-22 08:54:18,430 INFO L226 Difference]: Without dead ends: 165 [2019-10-22 08:54:18,430 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:54:18,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-10-22 08:54:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 140. [2019-10-22 08:54:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 08:54:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2019-10-22 08:54:18,434 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 26 [2019-10-22 08:54:18,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:18,434 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2019-10-22 08:54:18,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:54:18,434 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2019-10-22 08:54:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 08:54:18,435 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:18,435 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:18,435 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:18,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:18,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1914041530, now seen corresponding path program 1 times [2019-10-22 08:54:18,435 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:18,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878781602] [2019-10-22 08:54:18,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:18,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,517 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878781602] [2019-10-22 08:54:18,517 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870852557] [2019-10-22 08:54:18,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 08:54:18,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:18,672 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 08:54:18,672 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,678 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,686 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 08:54:18,686 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,690 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,690 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,691 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-10-22 08:54:18,704 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-10-22 08:54:18,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2019-10-22 08:54:18,718 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,722 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,723 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,733 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,738 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-10-22 08:54:18,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,746 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2019-10-22 08:54:18,747 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,751 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,752 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,759 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:33 [2019-10-22 08:54:18,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,787 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2019-10-22 08:54:18,787 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,798 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,807 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2019-10-22 08:54:18,807 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,816 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,816 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:33 [2019-10-22 08:54:18,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:18,850 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-10-22 08:54:18,851 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,861 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,870 INFO L341 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2019-10-22 08:54:18,871 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-10-22 08:54:18,871 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,876 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:18,876 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:18,876 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2019-10-22 08:54:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,883 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:54:18,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2019-10-22 08:54:18,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719805979] [2019-10-22 08:54:18,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:54:18,884 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:18,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:54:18,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:18,884 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand 9 states. [2019-10-22 08:54:19,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:19,397 INFO L93 Difference]: Finished difference Result 200 states and 213 transitions. [2019-10-22 08:54:19,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 08:54:19,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-10-22 08:54:19,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:19,399 INFO L225 Difference]: With dead ends: 200 [2019-10-22 08:54:19,399 INFO L226 Difference]: Without dead ends: 200 [2019-10-22 08:54:19,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:54:19,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-10-22 08:54:19,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 154. [2019-10-22 08:54:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-22 08:54:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 165 transitions. [2019-10-22 08:54:19,404 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 165 transitions. Word has length 29 [2019-10-22 08:54:19,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:19,404 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 165 transitions. [2019-10-22 08:54:19,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:54:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 165 transitions. [2019-10-22 08:54:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:54:19,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:19,405 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:19,606 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:19,606 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash 949776129, now seen corresponding path program 1 times [2019-10-22 08:54:19,607 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:19,607 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780742890] [2019-10-22 08:54:19,607 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,607 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:19,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780742890] [2019-10-22 08:54:19,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:19,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:19,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538516498] [2019-10-22 08:54:19,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:19,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:19,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:19,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:19,674 INFO L87 Difference]: Start difference. First operand 154 states and 165 transitions. Second operand 6 states. [2019-10-22 08:54:19,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:19,985 INFO L93 Difference]: Finished difference Result 222 states and 239 transitions. [2019-10-22 08:54:19,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:19,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-10-22 08:54:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:19,986 INFO L225 Difference]: With dead ends: 222 [2019-10-22 08:54:19,986 INFO L226 Difference]: Without dead ends: 222 [2019-10-22 08:54:19,987 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:19,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-10-22 08:54:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 153. [2019-10-22 08:54:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-22 08:54:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 164 transitions. [2019-10-22 08:54:19,990 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 164 transitions. Word has length 30 [2019-10-22 08:54:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:19,991 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 164 transitions. [2019-10-22 08:54:19,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 164 transitions. [2019-10-22 08:54:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:54:19,991 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:19,991 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:19,992 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:19,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:19,992 INFO L82 PathProgramCache]: Analyzing trace with hash 949776130, now seen corresponding path program 1 times [2019-10-22 08:54:19,992 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:19,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920704676] [2019-10-22 08:54:19,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:19,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920704676] [2019-10-22 08:54:20,066 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:20,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377824537] [2019-10-22 08:54:20,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:20,067 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:20,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:20,067 INFO L87 Difference]: Start difference. First operand 153 states and 164 transitions. Second operand 6 states. [2019-10-22 08:54:20,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,522 INFO L93 Difference]: Finished difference Result 245 states and 264 transitions. [2019-10-22 08:54:20,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:54:20,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-10-22 08:54:20,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,524 INFO L225 Difference]: With dead ends: 245 [2019-10-22 08:54:20,524 INFO L226 Difference]: Without dead ends: 245 [2019-10-22 08:54:20,524 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-10-22 08:54:20,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 152. [2019-10-22 08:54:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 08:54:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 163 transitions. [2019-10-22 08:54:20,531 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 163 transitions. Word has length 30 [2019-10-22 08:54:20,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,531 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 163 transitions. [2019-10-22 08:54:20,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 163 transitions. [2019-10-22 08:54:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:54:20,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,536 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:20,537 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,537 INFO L82 PathProgramCache]: Analyzing trace with hash -389978990, now seen corresponding path program 1 times [2019-10-22 08:54:20,537 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,537 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985460235] [2019-10-22 08:54:20,538 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,538 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:20,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985460235] [2019-10-22 08:54:20,677 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,677 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:54:20,677 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267488752] [2019-10-22 08:54:20,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:20,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:20,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:20,678 INFO L87 Difference]: Start difference. First operand 152 states and 163 transitions. Second operand 6 states. [2019-10-22 08:54:20,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,871 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2019-10-22 08:54:20,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:20,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-10-22 08:54:20,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,872 INFO L225 Difference]: With dead ends: 155 [2019-10-22 08:54:20,872 INFO L226 Difference]: Without dead ends: 155 [2019-10-22 08:54:20,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:54:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-10-22 08:54:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2019-10-22 08:54:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-22 08:54:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2019-10-22 08:54:20,876 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 30 [2019-10-22 08:54:20,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,877 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2019-10-22 08:54:20,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2019-10-22 08:54:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:54:20,877 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,877 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:20,878 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:20,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1147902364, now seen corresponding path program 1 times [2019-10-22 08:54:20,878 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715356227] [2019-10-22 08:54:20,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 08:54:20,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715356227] [2019-10-22 08:54:20,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:54:20,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834602792] [2019-10-22 08:54:20,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:54:20,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:54:20,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:54:20,937 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand 7 states. [2019-10-22 08:54:21,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,160 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2019-10-22 08:54:21,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:54:21,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-10-22 08:54:21,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,161 INFO L225 Difference]: With dead ends: 168 [2019-10-22 08:54:21,162 INFO L226 Difference]: Without dead ends: 168 [2019-10-22 08:54:21,162 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:54:21,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-10-22 08:54:21,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 151. [2019-10-22 08:54:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-22 08:54:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2019-10-22 08:54:21,166 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 31 [2019-10-22 08:54:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:21,166 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2019-10-22 08:54:21,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:54:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2019-10-22 08:54:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:54:21,167 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:21,167 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:21,167 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:21,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:21,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1494301373, now seen corresponding path program 1 times [2019-10-22 08:54:21,168 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:21,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876357369] [2019-10-22 08:54:21,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:21,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:21,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876357369] [2019-10-22 08:54:21,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:21,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-22 08:54:21,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099835067] [2019-10-22 08:54:21,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-22 08:54:21,338 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:21,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-22 08:54:21,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:54:21,339 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand 13 states. [2019-10-22 08:54:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:21,998 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2019-10-22 08:54:21,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 08:54:21,999 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2019-10-22 08:54:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:21,999 INFO L225 Difference]: With dead ends: 150 [2019-10-22 08:54:21,999 INFO L226 Difference]: Without dead ends: 150 [2019-10-22 08:54:22,000 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2019-10-22 08:54:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-22 08:54:22,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-22 08:54:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-22 08:54:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 158 transitions. [2019-10-22 08:54:22,004 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 158 transitions. Word has length 34 [2019-10-22 08:54:22,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:22,004 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 158 transitions. [2019-10-22 08:54:22,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-22 08:54:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2019-10-22 08:54:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:54:22,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:22,005 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:22,005 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:22,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:22,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1494301372, now seen corresponding path program 1 times [2019-10-22 08:54:22,006 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:22,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977963284] [2019-10-22 08:54:22,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:22,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:22,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:22,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977963284] [2019-10-22 08:54:22,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:22,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-22 08:54:22,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649020588] [2019-10-22 08:54:22,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 08:54:22,174 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:22,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 08:54:22,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:54:22,174 INFO L87 Difference]: Start difference. First operand 150 states and 158 transitions. Second operand 14 states. [2019-10-22 08:54:23,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:23,012 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2019-10-22 08:54:23,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-22 08:54:23,013 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2019-10-22 08:54:23,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:23,013 INFO L225 Difference]: With dead ends: 145 [2019-10-22 08:54:23,013 INFO L226 Difference]: Without dead ends: 145 [2019-10-22 08:54:23,014 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2019-10-22 08:54:23,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-22 08:54:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2019-10-22 08:54:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-22 08:54:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2019-10-22 08:54:23,017 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 34 [2019-10-22 08:54:23,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:23,018 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2019-10-22 08:54:23,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 08:54:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2019-10-22 08:54:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:54:23,019 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:23,019 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:23,020 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:23,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1797067187, now seen corresponding path program 1 times [2019-10-22 08:54:23,020 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:23,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880553119] [2019-10-22 08:54:23,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:23,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:23,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:23,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880553119] [2019-10-22 08:54:23,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902195299] [2019-10-22 08:54:23,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:23,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:54:23,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 08:54:23,234 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:54:23,235 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2019-10-22 08:54:23,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299397207] [2019-10-22 08:54:23,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:23,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:23,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:23,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:54:23,237 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand 3 states. [2019-10-22 08:54:23,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:23,278 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2019-10-22 08:54:23,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:23,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-22 08:54:23,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:23,279 INFO L225 Difference]: With dead ends: 130 [2019-10-22 08:54:23,280 INFO L226 Difference]: Without dead ends: 130 [2019-10-22 08:54:23,280 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:54:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-22 08:54:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-22 08:54:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-22 08:54:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2019-10-22 08:54:23,283 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 35 [2019-10-22 08:54:23,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:23,283 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2019-10-22 08:54:23,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2019-10-22 08:54:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:54:23,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:23,284 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:23,485 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:23,485 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:23,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:23,486 INFO L82 PathProgramCache]: Analyzing trace with hash -404704496, now seen corresponding path program 1 times [2019-10-22 08:54:23,486 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:23,486 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993268932] [2019-10-22 08:54:23,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:23,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:23,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:23,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993268932] [2019-10-22 08:54:23,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952628574] [2019-10-22 08:54:23,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:23,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:54:23,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:23,711 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2019-10-22 08:54:23,711 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:23,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:23,715 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:23,715 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-10-22 08:54:23,722 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-10-22 08:54:23,723 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:23,724 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:23,725 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:23,725 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-10-22 08:54:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 08:54:23,742 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:54:23,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 10 [2019-10-22 08:54:23,742 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313131389] [2019-10-22 08:54:23,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:54:23,743 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:23,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:54:23,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:54:23,743 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand 4 states. [2019-10-22 08:54:23,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:23,841 INFO L93 Difference]: Finished difference Result 139 states and 146 transitions. [2019-10-22 08:54:23,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:23,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-22 08:54:23,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:23,842 INFO L225 Difference]: With dead ends: 139 [2019-10-22 08:54:23,843 INFO L226 Difference]: Without dead ends: 139 [2019-10-22 08:54:23,843 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:54:23,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-22 08:54:23,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 133. [2019-10-22 08:54:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-22 08:54:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2019-10-22 08:54:23,846 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 37 [2019-10-22 08:54:23,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:23,846 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2019-10-22 08:54:23,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:54:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2019-10-22 08:54:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 08:54:23,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:23,847 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:24,048 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:24,048 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:24,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:24,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1272736266, now seen corresponding path program 1 times [2019-10-22 08:54:24,049 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:24,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126701692] [2019-10-22 08:54:24,049 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:24,049 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:24,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:24,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126701692] [2019-10-22 08:54:24,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512295866] [2019-10-22 08:54:24,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:24,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-22 08:54:24,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:24,303 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 08:54:24,303 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,313 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,313 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-10-22 08:54:24,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:24,342 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-10-22 08:54:24,342 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,351 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2019-10-22 08:54:24,376 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_46|], 6=[|v_#memory_$Pointer$.base_48|]} [2019-10-22 08:54:24,380 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2019-10-22 08:54:24,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:24,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:24,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:24,396 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,396 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2019-10-22 08:54:24,397 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,403 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,403 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:20 [2019-10-22 08:54:24,481 INFO L392 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.offset|], 2=[|#memory_$Pointer$.base|]} [2019-10-22 08:54:24,484 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 08:54:24,484 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,490 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:54:24,493 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,494 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-10-22 08:54:24,494 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:24,498 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:24,498 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:10 [2019-10-22 08:54:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:24,552 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:54:24,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 16 [2019-10-22 08:54:24,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973162672] [2019-10-22 08:54:24,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-22 08:54:24,553 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:24,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-22 08:54:24,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:54:24,554 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 16 states. [2019-10-22 08:54:25,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:25,056 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2019-10-22 08:54:25,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 08:54:25,062 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 38 [2019-10-22 08:54:25,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:25,063 INFO L225 Difference]: With dead ends: 143 [2019-10-22 08:54:25,063 INFO L226 Difference]: Without dead ends: 143 [2019-10-22 08:54:25,063 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2019-10-22 08:54:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-22 08:54:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2019-10-22 08:54:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 08:54:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2019-10-22 08:54:25,067 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 38 [2019-10-22 08:54:25,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:25,067 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2019-10-22 08:54:25,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-22 08:54:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2019-10-22 08:54:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 08:54:25,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:25,068 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:25,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:54:25,269 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION]=== [2019-10-22 08:54:25,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:25,269 INFO L82 PathProgramCache]: Analyzing trace with hash -800118946, now seen corresponding path program 1 times [2019-10-22 08:54:25,269 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:25,269 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645046037] [2019-10-22 08:54:25,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:25,270 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:25,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:25,313 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:25,314 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:54:25,329 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-10-22 08:54:25,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:25 BoogieIcfgContainer [2019-10-22 08:54:25,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:25,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:25,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:25,345 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:25,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12" (3/4) ... [2019-10-22 08:54:25,349 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:25,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:25,351 INFO L168 Benchmark]: Toolchain (without parser) took 13690.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 394.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,351 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:25,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,351 INFO L168 Benchmark]: Boogie Preprocessor took 56.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:25,352 INFO L168 Benchmark]: RCFGBuilder took 728.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,352 INFO L168 Benchmark]: TraceAbstraction took 12443.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -62.2 MB). Peak memory consumption was 204.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:25,352 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:25,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 728.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12443.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -62.2 MB). Peak memory consumption was 204.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.65 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 985. Possible FailurePath: [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L988] null->next = ((void*)0) VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L989] null->prev = ((void*)0) VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L990] null->colour = BLACK VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L993] list->next = null VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L994] list->prev = null VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L995] list->colour = BLACK VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L997] struct TSLL* end = list; VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1026] end = null [L1027] end = list VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1030] COND FALSE !(!(null != end)) VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1031] EXPR end->colour VAL [end={3:0}, end->colour=1, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1031] COND FALSE !(!(BLACK == end->colour)) [L1032] COND TRUE null != end VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1034] EXPR end->colour VAL [end={3:0}, end->colour=1, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1034] COND FALSE !(RED == end->colour) [L1041] EXPR end->next VAL [end={3:0}, end->next={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1041] end = end->next [L1032] COND FALSE !(null != end) VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1045] COND TRUE null != list VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1047] EXPR list->colour VAL [end={1:0}, list={3:0}, list->colour=1, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1047] COND FALSE !(RED == list->colour) [L1056] EXPR list->next VAL [end={1:0}, list={3:0}, list->next={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1056] end = list->next [L1057] free(list) VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1057] free(list) VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1057] free(list) [L1058] list = end VAL [end={1:0}, list={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1045] COND FALSE !(null != list) VAL [end={1:0}, list={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1062] return 0; VAL [\result=0, end={1:0}, list={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 155 locations, 70 error locations. Result: UNSAFE, OverallTime: 12.3s, OverallIterations: 22, TraceHistogramMax: 2, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1832 SDtfs, 2891 SDslu, 3504 SDs, 0 SdLazy, 8162 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 392 GetRequests, 188 SyntacticMatches, 8 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 522 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 622 ConstructedInterpolants, 0 QuantifiedInterpolants, 134825 SizeOfPredicates, 27 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 7/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:27,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:27,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:27,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:27,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:27,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:27,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:27,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:27,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:27,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:27,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:27,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:27,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:27,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:27,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:27,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:27,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:27,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:27,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:27,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:27,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:27,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:27,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:27,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:27,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:27,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:27,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:27,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:27,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:27,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:27,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:27,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:27,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:27,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:27,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:27,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:27,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:27,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:27,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:27,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:27,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:27,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 08:54:27,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:27,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:27,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:27,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:27,373 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:27,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:27,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:27,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:27,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:27,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:27,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:27,374 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:54:27,375 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:54:27,375 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:54:27,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:27,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:54:27,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:54:27,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:27,376 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:27,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:27,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:27,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:27,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:27,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:27,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:27,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:27,377 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:54:27,377 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:54:27,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:54:27,378 INFO L138 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_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-10-22 08:54:27,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:27,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:27,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:27,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:27,421 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:27,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-10-22 08:54:27,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/316afb1b9/74b4ff5acf574635b8632457f1e87d31/FLAGc9ea948f4 [2019-10-22 08:54:27,921 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:27,924 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-10-22 08:54:27,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/316afb1b9/74b4ff5acf574635b8632457f1e87d31/FLAGc9ea948f4 [2019-10-22 08:54:28,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/uautomizer/data/316afb1b9/74b4ff5acf574635b8632457f1e87d31 [2019-10-22 08:54:28,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:28,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:54:28,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:28,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:28,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:28,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:28,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9efaa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28, skipping insertion in model container [2019-10-22 08:54:28,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:28,470 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:28,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:28,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:28,898 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:28,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:28,988 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:28,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28 WrapperNode [2019-10-22 08:54:28,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:28,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:28,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:28,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:29,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... [2019-10-22 08:54:29,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:29,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:29,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:29,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:29,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 [2019-10-22 08:54:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:54:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:54:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:54:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:54:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:54:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:54:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:54:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:54:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:54:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:54:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:54:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:54:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:54:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:54:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:54:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:54:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:54:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 08:54:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:54:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:54:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:54:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:54:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:54:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:54:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:54:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:54:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:54:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:54:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:54:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:54:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:54:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:54:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:30,013 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:30,014 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-10-22 08:54:30,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:30 BoogieIcfgContainer [2019-10-22 08:54:30,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:30,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:30,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:30,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:30,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:28" (1/3) ... [2019-10-22 08:54:30,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2976596f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:30, skipping insertion in model container [2019-10-22 08:54:30,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:28" (2/3) ... [2019-10-22 08:54:30,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2976596f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:30, skipping insertion in model container [2019-10-22 08:54:30,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:30" (3/3) ... [2019-10-22 08:54:30,023 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2019-10-22 08:54:30,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:30,040 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 70 error locations. [2019-10-22 08:54:30,050 INFO L249 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2019-10-22 08:54:30,068 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:30,069 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:54:30,069 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:30,069 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:30,072 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:30,072 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:30,072 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:30,072 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-10-22 08:54:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 08:54:30,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:30,098 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:30,099 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr54REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr29REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2019-10-22 08:54:30,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:30,103 INFO L82 PathProgramCache]: Analyzing trace with hash 543179012, now seen corresponding path program 1 times [2019-10-22 08:54:30,110 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:30,110 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1361143876] [2019-10-22 08:54:30,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f35c4cf0-ac2c-4682-b749-ec3a58259628/bin/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 [2019-10-22 08:54:30,327 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:54:30,328 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:54:30,332 INFO L168 Benchmark]: Toolchain (without parser) took 1882.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 941.6 MB in the beginning and 1.0 GB in the end (delta: -101.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:30,333 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:30,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:30,334 INFO L168 Benchmark]: Boogie Preprocessor took 75.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:30,337 INFO L168 Benchmark]: RCFGBuilder took 949.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:30,338 INFO L168 Benchmark]: TraceAbstraction took 314.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:30,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.74 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 949.87 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: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 314.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...