./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-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_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 c42e17875debafbb946353bbf5dda6a0b0ba9b37 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:27,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:27,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:27,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:27,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:27,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:27,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:27,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:27,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:27,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:27,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:27,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:27,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:27,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:27,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:27,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:27,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:27,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:27,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:27,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:27,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:27,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:27,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:27,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:27,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:27,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:27,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:27,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:27,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:27,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:27,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:27,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:27,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:27,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:27,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:27,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:27,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:27,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:27,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:27,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:27,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:27,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:58:27,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:27,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:27,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:27,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:27,272 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:27,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:27,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:27,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:27,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:27,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:27,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:27,273 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:58:27,273 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:58:27,273 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:58:27,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:27,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:27,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:27,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:27,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:27,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:27,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:27,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:27,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:27,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:27,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:27,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:27,276 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_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2019-10-22 08:58:27,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:27,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:27,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:27,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:27,340 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:27,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-10-22 08:58:27,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/data/1d6cd6e0a/bf55331414454ad085af484570c3d0dd/FLAGba1e497e5 [2019-10-22 08:58:27,846 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:27,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-10-22 08:58:27,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/data/1d6cd6e0a/bf55331414454ad085af484570c3d0dd/FLAGba1e497e5 [2019-10-22 08:58:28,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/data/1d6cd6e0a/bf55331414454ad085af484570c3d0dd [2019-10-22 08:58:28,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:28,229 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:58:28,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:28,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:28,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:28,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b8b389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28, skipping insertion in model container [2019-10-22 08:58:28,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:28,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:28,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:28,697 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:28,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:28,810 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:28,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28 WrapperNode [2019-10-22 08:58:28,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:28,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:28,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:28,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:28,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:28,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:28,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:28,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:28,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 08:58:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:58:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:58:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:58:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:58:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:58:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:58:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2019-10-22 08:58:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:58:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:58:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:58:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:58:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:58:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:58:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:58:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:58:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:58:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:58:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:58:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:58:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:58:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:58:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:58:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:58:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:58:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:58:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:58:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:58:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:58:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:58:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:58:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:58:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:58:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:58:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:58:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:58:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:58:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:58:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:58:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:58:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:58:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:58:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:58:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:58:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:58:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:58:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:58:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:58:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:58:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:58:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:58:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:58:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:58:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:58:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:58:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:58:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:58:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:58:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:58:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:58:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:58:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:58:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:58:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:58:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:29,423 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:29,424 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-22 08:58:29,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:29 BoogieIcfgContainer [2019-10-22 08:58:29,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:29,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:29,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:29,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:29,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:28" (1/3) ... [2019-10-22 08:58:29,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5293bc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:29, skipping insertion in model container [2019-10-22 08:58:29,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (2/3) ... [2019-10-22 08:58:29,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5293bc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:29, skipping insertion in model container [2019-10-22 08:58:29,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:29" (3/3) ... [2019-10-22 08:58:29,432 INFO L109 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca-1.i [2019-10-22 08:58:29,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:29,451 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-10-22 08:58:29,462 INFO L249 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-10-22 08:58:29,483 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:29,483 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:58:29,484 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:29,484 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:29,484 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:29,484 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:29,484 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:29,484 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-10-22 08:58:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:58:29,510 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:29,511 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:29,513 INFO L410 AbstractCegarLoop]: === Iteration 1 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:29,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:29,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1261643446, now seen corresponding path program 1 times [2019-10-22 08:58:29,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:29,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958160760] [2019-10-22 08:58:29,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,710 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 08:58:29,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958160760] [2019-10-22 08:58:29,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:29,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:29,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291652885] [2019-10-22 08:58:29,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:29,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:29,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:29,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:29,732 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2019-10-22 08:58:29,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:29,900 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-10-22 08:58:29,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:29,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 08:58:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:29,915 INFO L225 Difference]: With dead ends: 47 [2019-10-22 08:58:29,915 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 08:58:29,917 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 08:58:29,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 08:58:29,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-10-22 08:58:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-22 08:58:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2019-10-22 08:58:29,954 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 10 [2019-10-22 08:58:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:29,954 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2019-10-22 08:58:29,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2019-10-22 08:58:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:58:29,954 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:29,955 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:29,955 INFO L410 AbstractCegarLoop]: === Iteration 2 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:29,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1261643445, now seen corresponding path program 1 times [2019-10-22 08:58:29,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:29,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407829288] [2019-10-22 08:58:29,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,061 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 08:58:30,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407829288] [2019-10-22 08:58:30,064 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:30,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:30,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465995745] [2019-10-22 08:58:30,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:30,071 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:30,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:30,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:30,072 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 6 states. [2019-10-22 08:58:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:30,259 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2019-10-22 08:58:30,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:30,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-22 08:58:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:30,261 INFO L225 Difference]: With dead ends: 48 [2019-10-22 08:58:30,261 INFO L226 Difference]: Without dead ends: 48 [2019-10-22 08:58:30,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-10-22 08:58:30,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-10-22 08:58:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 08:58:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2019-10-22 08:58:30,273 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 10 [2019-10-22 08:58:30,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:30,273 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2019-10-22 08:58:30,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:30,274 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2019-10-22 08:58:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:58:30,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:30,274 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:30,275 INFO L410 AbstractCegarLoop]: === Iteration 3 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:30,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:30,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1690944142, now seen corresponding path program 1 times [2019-10-22 08:58:30,275 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:30,275 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483544354] [2019-10-22 08:58:30,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,404 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 08:58:30,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483544354] [2019-10-22 08:58:30,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262145734] [2019-10-22 08:58:30,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 08:58:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:58:30,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:30,583 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:30,583 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-10-22 08:58:30,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105655413] [2019-10-22 08:58:30,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:30,584 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:30,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:30,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:30,597 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 5 states. [2019-10-22 08:58:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:30,642 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2019-10-22 08:58:30,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:30,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-10-22 08:58:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:30,646 INFO L225 Difference]: With dead ends: 56 [2019-10-22 08:58:30,647 INFO L226 Difference]: Without dead ends: 56 [2019-10-22 08:58:30,647 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:30,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-10-22 08:58:30,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-10-22 08:58:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 08:58:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2019-10-22 08:58:30,661 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 14 [2019-10-22 08:58:30,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:30,661 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2019-10-22 08:58:30,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2019-10-22 08:58:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:58:30,662 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:30,663 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:30,865 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:30,865 INFO L410 AbstractCegarLoop]: === Iteration 4 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:30,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:30,865 INFO L82 PathProgramCache]: Analyzing trace with hash 881597516, now seen corresponding path program 1 times [2019-10-22 08:58:30,866 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:30,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621469621] [2019-10-22 08:58:30,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,999 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 08:58:31,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621469621] [2019-10-22 08:58:31,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788219906] [2019-10-22 08:58:31,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 08:58:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:31,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 08:58:31,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:31,157 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-10-22 08:58:31,157 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:58:31,167 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:58:31,167 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:58:31,167 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-10-22 08:58:31,209 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 08:58:31,210 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:31,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2019-10-22 08:58:31,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844152199] [2019-10-22 08:58:31,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:58:31,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:31,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:58:31,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:58:31,211 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 8 states. [2019-10-22 08:58:31,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:31,399 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-10-22 08:58:31,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:31,399 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-10-22 08:58:31,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:31,400 INFO L225 Difference]: With dead ends: 53 [2019-10-22 08:58:31,401 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 08:58:31,401 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:31,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 08:58:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2019-10-22 08:58:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 08:58:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-10-22 08:58:31,407 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 14 [2019-10-22 08:58:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:31,407 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-10-22 08:58:31,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:58:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-10-22 08:58:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:58:31,408 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:31,408 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 08:58:31,609 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:31,609 INFO L410 AbstractCegarLoop]: === Iteration 5 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:31,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:31,609 INFO L82 PathProgramCache]: Analyzing trace with hash -754175343, now seen corresponding path program 1 times [2019-10-22 08:58:31,610 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:31,610 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810303772] [2019-10-22 08:58:31,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:31,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:31,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:31,694 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 08:58:31,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810303772] [2019-10-22 08:58:31,695 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:31,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:31,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632582806] [2019-10-22 08:58:31,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:31,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:31,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:31,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:31,696 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2019-10-22 08:58:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:31,869 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2019-10-22 08:58:31,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:58:31,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-10-22 08:58:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:31,870 INFO L225 Difference]: With dead ends: 58 [2019-10-22 08:58:31,870 INFO L226 Difference]: Without dead ends: 58 [2019-10-22 08:58:31,870 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-10-22 08:58:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2019-10-22 08:58:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 08:58:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2019-10-22 08:58:31,875 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 17 [2019-10-22 08:58:31,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:31,875 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2019-10-22 08:58:31,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2019-10-22 08:58:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:58:31,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:31,876 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 08:58:31,877 INFO L410 AbstractCegarLoop]: === Iteration 6 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:31,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:31,877 INFO L82 PathProgramCache]: Analyzing trace with hash -53110765, now seen corresponding path program 1 times [2019-10-22 08:58:31,877 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:31,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536564349] [2019-10-22 08:58:31,878 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:31,878 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:31,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:31,942 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 08:58:31,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536564349] [2019-10-22 08:58:31,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195130454] [2019-10-22 08:58:31,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 08:58:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 08:58:32,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:32,062 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 08:58:32,063 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:32,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-10-22 08:58:32,063 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305681087] [2019-10-22 08:58:32,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:58:32,064 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:32,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:58:32,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:58:32,064 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 10 states. [2019-10-22 08:58:32,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:32,328 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2019-10-22 08:58:32,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:58:32,328 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-10-22 08:58:32,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:32,331 INFO L225 Difference]: With dead ends: 70 [2019-10-22 08:58:32,331 INFO L226 Difference]: Without dead ends: 70 [2019-10-22 08:58:32,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:58:32,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-22 08:58:32,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 59. [2019-10-22 08:58:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 08:58:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-10-22 08:58:32,338 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 17 [2019-10-22 08:58:32,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:32,338 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2019-10-22 08:58:32,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:58:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2019-10-22 08:58:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:58:32,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:32,339 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] [2019-10-22 08:58:32,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:32,540 INFO L410 AbstractCegarLoop]: === Iteration 7 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:32,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:32,540 INFO L82 PathProgramCache]: Analyzing trace with hash -664248280, now seen corresponding path program 1 times [2019-10-22 08:58:32,541 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:32,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687593198] [2019-10-22 08:58:32,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,636 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 08:58:32,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687593198] [2019-10-22 08:58:32,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:32,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:32,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692624532] [2019-10-22 08:58:32,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:32,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:32,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:32,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:32,644 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 6 states. [2019-10-22 08:58:32,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:32,809 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2019-10-22 08:58:32,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:58:32,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-22 08:58:32,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:32,810 INFO L225 Difference]: With dead ends: 81 [2019-10-22 08:58:32,810 INFO L226 Difference]: Without dead ends: 64 [2019-10-22 08:58:32,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:58:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-10-22 08:58:32,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 43. [2019-10-22 08:58:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-22 08:58:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2019-10-22 08:58:32,814 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 20 [2019-10-22 08:58:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:32,814 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2019-10-22 08:58:32,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2019-10-22 08:58:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:58:32,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:32,815 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:32,815 INFO L410 AbstractCegarLoop]: === Iteration 8 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:32,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:32,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1158462576, now seen corresponding path program 2 times [2019-10-22 08:58:32,815 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:32,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087392389] [2019-10-22 08:58:32,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:32,922 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087392389] [2019-10-22 08:58:32,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:32,922 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:32,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195085917] [2019-10-22 08:58:32,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:58:32,923 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:32,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:58:32,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:32,923 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 7 states. [2019-10-22 08:58:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:33,120 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2019-10-22 08:58:33,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:58:33,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-10-22 08:58:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:33,121 INFO L225 Difference]: With dead ends: 66 [2019-10-22 08:58:33,122 INFO L226 Difference]: Without dead ends: 66 [2019-10-22 08:58:33,122 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:58:33,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-22 08:58:33,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2019-10-22 08:58:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 08:58:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2019-10-22 08:58:33,127 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 21 [2019-10-22 08:58:33,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:33,127 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2019-10-22 08:58:33,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:58:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2019-10-22 08:58:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:58:33,128 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:33,128 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:33,128 INFO L410 AbstractCegarLoop]: === Iteration 9 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1158462575, now seen corresponding path program 1 times [2019-10-22 08:58:33,129 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:33,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283220890] [2019-10-22 08:58:33,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:58:33,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283220890] [2019-10-22 08:58:33,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:33,198 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:33,198 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388205804] [2019-10-22 08:58:33,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:33,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:33,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:33,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:33,199 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 6 states. [2019-10-22 08:58:33,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:33,298 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2019-10-22 08:58:33,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:33,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-10-22 08:58:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:33,301 INFO L225 Difference]: With dead ends: 40 [2019-10-22 08:58:33,301 INFO L226 Difference]: Without dead ends: 40 [2019-10-22 08:58:33,302 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 08:58:33,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-22 08:58:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-10-22 08:58:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-22 08:58:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-10-22 08:58:33,305 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 21 [2019-10-22 08:58:33,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:33,306 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-10-22 08:58:33,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-10-22 08:58:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:58:33,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:33,307 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:33,307 INFO L410 AbstractCegarLoop]: === Iteration 10 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1047783829, now seen corresponding path program 1 times [2019-10-22 08:58:33,308 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:33,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86027409] [2019-10-22 08:58:33,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:33,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86027409] [2019-10-22 08:58:33,487 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259086199] [2019-10-22 08:58:33,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/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 08:58:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:58:33,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:33,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:33,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:33,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 17 [2019-10-22 08:58:33,760 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046100457] [2019-10-22 08:58:33,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:58:33,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:33,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:58:33,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-10-22 08:58:33,762 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 9 states. [2019-10-22 08:58:34,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:34,035 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2019-10-22 08:58:34,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:58:34,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-10-22 08:58:34,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:34,038 INFO L225 Difference]: With dead ends: 45 [2019-10-22 08:58:34,038 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 08:58:34,038 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2019-10-22 08:58:34,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 08:58:34,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2019-10-22 08:58:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-22 08:58:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2019-10-22 08:58:34,048 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 25 [2019-10-22 08:58:34,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:34,048 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2019-10-22 08:58:34,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:58:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2019-10-22 08:58:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:58:34,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:34,049 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:34,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:34,250 INFO L410 AbstractCegarLoop]: === Iteration 11 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:34,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:34,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1878433603, now seen corresponding path program 1 times [2019-10-22 08:58:34,250 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:34,250 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075432489] [2019-10-22 08:58:34,250 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:34,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075432489] [2019-10-22 08:58:34,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:34,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:34,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047380274] [2019-10-22 08:58:34,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:34,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:34,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:34,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:34,291 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 6 states. [2019-10-22 08:58:34,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:34,445 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2019-10-22 08:58:34,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:58:34,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-10-22 08:58:34,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:34,447 INFO L225 Difference]: With dead ends: 69 [2019-10-22 08:58:34,447 INFO L226 Difference]: Without dead ends: 69 [2019-10-22 08:58:34,447 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:58:34,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-10-22 08:58:34,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2019-10-22 08:58:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-22 08:58:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2019-10-22 08:58:34,451 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 26 [2019-10-22 08:58:34,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:34,451 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2019-10-22 08:58:34,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2019-10-22 08:58:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:58:34,452 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:34,452 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:34,453 INFO L410 AbstractCegarLoop]: === Iteration 12 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:34,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:34,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1300227424, now seen corresponding path program 1 times [2019-10-22 08:58:34,453 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:34,453 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78387235] [2019-10-22 08:58:34,453 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,454 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:34,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78387235] [2019-10-22 08:58:34,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275563434] [2019-10-22 08:58:34,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:58:34,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:34,880 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:34,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2019-10-22 08:58:34,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911261304] [2019-10-22 08:58:34,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-22 08:58:34,881 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:34,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-22 08:58:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:58:34,882 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 16 states. [2019-10-22 08:58:35,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:35,370 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2019-10-22 08:58:35,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 08:58:35,371 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 31 [2019-10-22 08:58:35,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:35,371 INFO L225 Difference]: With dead ends: 70 [2019-10-22 08:58:35,372 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 08:58:35,372 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2019-10-22 08:58:35,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 08:58:35,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-10-22 08:58:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 08:58:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2019-10-22 08:58:35,376 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 31 [2019-10-22 08:58:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:35,376 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2019-10-22 08:58:35,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-22 08:58:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2019-10-22 08:58:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:58:35,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:35,378 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2019-10-22 08:58:35,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:35,578 INFO L410 AbstractCegarLoop]: === Iteration 13 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 08:58:35,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:35,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1193369382, now seen corresponding path program 1 times [2019-10-22 08:58:35,579 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:35,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663226870] [2019-10-22 08:58:35,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:35,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:35,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:35,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663226870] [2019-10-22 08:58:35,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076172091] [2019-10-22 08:58:35,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 08:58:35,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:36,072 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:36,072 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2019-10-22 08:58:36,072 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738501404] [2019-10-22 08:58:36,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-22 08:58:36,073 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:36,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-22 08:58:36,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-22 08:58:36,073 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 22 states. [2019-10-22 08:58:36,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:36,796 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2019-10-22 08:58:36,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-22 08:58:36,796 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 35 [2019-10-22 08:58:36,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:36,797 INFO L225 Difference]: With dead ends: 85 [2019-10-22 08:58:36,797 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:36,798 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=270, Invalid=990, Unknown=0, NotChecked=0, Total=1260 [2019-10-22 08:58:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:36,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-10-22 08:58:36,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:36,798 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:36,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-22 08:58:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:36,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:36,999 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:37,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:37 BoogieIcfgContainer [2019-10-22 08:58:37,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:37,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:37,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:37,004 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:37,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:29" (3/4) ... [2019-10-22 08:58:37,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:37,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 08:58:37,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure insertionSort [2019-10-22 08:58:37,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-10-22 08:58:37,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-10-22 08:58:37,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-10-22 08:58:37,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-10-22 08:58:37,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 08:58:37,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-10-22 08:58:37,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-10-22 08:58:37,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 08:58:37,018 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:37,074 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_95da710c-77f9-4ce5-928b-ed5e484db6ec/bin/uautomizer/witness.graphml [2019-10-22 08:58:37,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:37,079 INFO L168 Benchmark]: Toolchain (without parser) took 8850.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 940.5 MB in the beginning and 989.4 MB in the end (delta: -48.9 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:37,080 INFO L168 Benchmark]: CDTParser took 0.20 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 08:58:37,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:37,080 INFO L168 Benchmark]: Boogie Preprocessor took 60.49 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 08:58:37,081 INFO L168 Benchmark]: RCFGBuilder took 552.98 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:37,081 INFO L168 Benchmark]: TraceAbstraction took 7577.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 992.3 MB in the end (delta: 62.4 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:37,081 INFO L168 Benchmark]: Witness Printer took 74.27 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 989.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:37,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 580.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.49 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 552.98 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7577.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 992.3 MB in the end (delta: 62.4 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. * Witness Printer took 74.27 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 989.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 13 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 344 SDtfs, 1148 SDslu, 478 SDs, 0 SdLazy, 1759 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 289 GetRequests, 130 SyntacticMatches, 5 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 102 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 62109 SizeOfPredicates, 22 NumberOfNonLiveVariables, 543 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 54/76 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 proved your program to be correct! Received shutdown request...