./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memory-alloca/c.03-alloca-2.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_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memory-alloca/c.03-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/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 ab87ef7cc863b18816ae397a50b6c6e9fb3e753d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:02:58,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:58,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:58,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:58,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:58,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:58,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:58,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:58,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:58,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:58,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:58,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:58,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:58,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:58,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:58,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:58,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:58,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:58,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:58,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:58,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:58,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:58,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:58,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:58,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:58,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:58,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:58,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:58,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:58,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:58,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:58,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:58,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:58,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:58,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:58,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:58,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:58,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:58,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:58,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:58,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:58,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:02:58,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:58,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:58,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:58,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:58,372 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:58,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:58,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:58,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:58,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:58,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:58,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:58,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:58,373 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:58,374 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:58,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:58,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:58,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:58,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:58,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:58,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:58,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:58,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:58,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:58,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:58,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:58,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:58,376 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_98d8f4bd-121c-4d80-8f91-518cfa1be915/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 -> ab87ef7cc863b18816ae397a50b6c6e9fb3e753d [2019-10-22 09:02:58,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:58,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:58,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:58,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:58,427 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:58,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/../../sv-benchmarks/c/memory-alloca/c.03-alloca-2.i [2019-10-22 09:02:58,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/data/8cf836d67/ecfff226e7504bfbba7f1a970ee88244/FLAG7f8994fc4 [2019-10-22 09:02:58,918 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:58,919 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/sv-benchmarks/c/memory-alloca/c.03-alloca-2.i [2019-10-22 09:02:58,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/data/8cf836d67/ecfff226e7504bfbba7f1a970ee88244/FLAG7f8994fc4 [2019-10-22 09:02:59,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/data/8cf836d67/ecfff226e7504bfbba7f1a970ee88244 [2019-10-22 09:02:59,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:59,275 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:59,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:59,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:59,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:59,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4dd4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59, skipping insertion in model container [2019-10-22 09:02:59,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:59,333 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:59,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:59,707 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:59,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:59,804 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:59,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59 WrapperNode [2019-10-22 09:02:59,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:59,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:59,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:59,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:59,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... [2019-10-22 09:02:59,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:59,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:59,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:59,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:59,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/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 09:02:59,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:59,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:59,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:59,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2019-10-22 09:02:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:03:00,412 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:03:00,412 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 09:03:00,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:00 BoogieIcfgContainer [2019-10-22 09:03:00,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:03:00,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:03:00,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:03:00,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:03:00,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:59" (1/3) ... [2019-10-22 09:03:00,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713fd70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:00, skipping insertion in model container [2019-10-22 09:03:00,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:59" (2/3) ... [2019-10-22 09:03:00,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713fd70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:00, skipping insertion in model container [2019-10-22 09:03:00,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:00" (3/3) ... [2019-10-22 09:03:00,421 INFO L109 eAbstractionObserver]: Analyzing ICFG c.03-alloca-2.i [2019-10-22 09:03:00,430 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:03:00,437 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2019-10-22 09:03:00,447 INFO L249 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2019-10-22 09:03:00,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:03:00,465 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:03:00,465 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:03:00,465 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:03:00,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:03:00,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:03:00,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:03:00,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:03:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2019-10-22 09:03:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 09:03:00,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:00,489 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:00,490 INFO L410 AbstractCegarLoop]: === Iteration 1 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:00,495 INFO L82 PathProgramCache]: Analyzing trace with hash 743499951, now seen corresponding path program 1 times [2019-10-22 09:03:00,502 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:00,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224022414] [2019-10-22 09:03:00,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,693 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 09:03:00,693 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224022414] [2019-10-22 09:03:00,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:00,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:00,694 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869485312] [2019-10-22 09:03:00,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:00,699 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:00,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:00,713 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 4 states. [2019-10-22 09:03:00,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:00,875 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2019-10-22 09:03:00,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:00,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 09:03:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:00,886 INFO L225 Difference]: With dead ends: 62 [2019-10-22 09:03:00,886 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 09:03:00,887 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 09:03:00,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 09:03:00,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 09:03:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 09:03:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2019-10-22 09:03:00,922 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 9 [2019-10-22 09:03:00,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:00,923 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2019-10-22 09:03:00,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-10-22 09:03:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 09:03:00,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:00,924 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:00,924 INFO L410 AbstractCegarLoop]: === Iteration 2 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:00,924 INFO L82 PathProgramCache]: Analyzing trace with hash 743499952, now seen corresponding path program 1 times [2019-10-22 09:03:00,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:00,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504894453] [2019-10-22 09:03:00,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,995 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 09:03:00,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504894453] [2019-10-22 09:03:00,996 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:00,996 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:00,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698163703] [2019-10-22 09:03:00,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:00,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:00,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:00,998 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 4 states. [2019-10-22 09:03:01,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:01,111 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-10-22 09:03:01,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:01,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 09:03:01,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:01,112 INFO L225 Difference]: With dead ends: 54 [2019-10-22 09:03:01,113 INFO L226 Difference]: Without dead ends: 54 [2019-10-22 09:03:01,113 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 09:03:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-10-22 09:03:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-10-22 09:03:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-22 09:03:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2019-10-22 09:03:01,118 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 9 [2019-10-22 09:03:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:01,118 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2019-10-22 09:03:01,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2019-10-22 09:03:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:03:01,119 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:01,119 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:01,119 INFO L410 AbstractCegarLoop]: === Iteration 3 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:01,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:01,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1573661992, now seen corresponding path program 1 times [2019-10-22 09:03:01,120 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:01,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876094343] [2019-10-22 09:03:01,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,175 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 09:03:01,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876094343] [2019-10-22 09:03:01,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:01,175 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:01,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138848401] [2019-10-22 09:03:01,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:01,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:01,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:01,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:01,177 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 4 states. [2019-10-22 09:03:01,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:01,296 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-10-22 09:03:01,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:01,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 09:03:01,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:01,297 INFO L225 Difference]: With dead ends: 52 [2019-10-22 09:03:01,298 INFO L226 Difference]: Without dead ends: 52 [2019-10-22 09:03:01,298 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 09:03:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-10-22 09:03:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-10-22 09:03:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 09:03:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-10-22 09:03:01,304 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 10 [2019-10-22 09:03:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:01,305 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-10-22 09:03:01,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-10-22 09:03:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:03:01,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:01,305 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:01,306 INFO L410 AbstractCegarLoop]: === Iteration 4 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:01,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:01,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1573661993, now seen corresponding path program 1 times [2019-10-22 09:03:01,306 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:01,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984759852] [2019-10-22 09:03:01,306 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,306 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,400 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 09:03:01,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984759852] [2019-10-22 09:03:01,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:01,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:01,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936620819] [2019-10-22 09:03:01,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:01,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:01,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:01,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:01,402 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 4 states. [2019-10-22 09:03:01,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:01,529 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-10-22 09:03:01,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:01,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 09:03:01,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:01,531 INFO L225 Difference]: With dead ends: 50 [2019-10-22 09:03:01,531 INFO L226 Difference]: Without dead ends: 50 [2019-10-22 09:03:01,531 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 09:03:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-10-22 09:03:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-10-22 09:03:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 09:03:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2019-10-22 09:03:01,536 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 10 [2019-10-22 09:03:01,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:01,540 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2019-10-22 09:03:01,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2019-10-22 09:03:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:03:01,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:01,541 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:01,541 INFO L410 AbstractCegarLoop]: === Iteration 5 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:01,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:01,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1538881490, now seen corresponding path program 1 times [2019-10-22 09:03:01,542 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:01,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578725546] [2019-10-22 09:03:01,542 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,542 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:01,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578725546] [2019-10-22 09:03:01,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:01,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:01,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258859778] [2019-10-22 09:03:01,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:01,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:01,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:01,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:01,635 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 4 states. [2019-10-22 09:03:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:01,759 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2019-10-22 09:03:01,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:01,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 09:03:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:01,761 INFO L225 Difference]: With dead ends: 46 [2019-10-22 09:03:01,761 INFO L226 Difference]: Without dead ends: 46 [2019-10-22 09:03:01,761 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 09:03:01,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-22 09:03:01,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-10-22 09:03:01,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 09:03:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-10-22 09:03:01,770 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 11 [2019-10-22 09:03:01,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:01,770 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-10-22 09:03:01,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-10-22 09:03:01,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:03:01,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:01,771 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:01,771 INFO L410 AbstractCegarLoop]: === Iteration 6 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:01,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:01,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1538881491, now seen corresponding path program 1 times [2019-10-22 09:03:01,774 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:01,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894712152] [2019-10-22 09:03:01,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,837 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 09:03:01,837 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894712152] [2019-10-22 09:03:01,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:01,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:01,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695736424] [2019-10-22 09:03:01,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:01,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:01,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:01,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:01,839 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 4 states. [2019-10-22 09:03:01,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:01,968 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2019-10-22 09:03:01,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:01,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 09:03:01,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:01,970 INFO L225 Difference]: With dead ends: 42 [2019-10-22 09:03:01,970 INFO L226 Difference]: Without dead ends: 42 [2019-10-22 09:03:01,970 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 09:03:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-10-22 09:03:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-10-22 09:03:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-22 09:03:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2019-10-22 09:03:01,978 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 11 [2019-10-22 09:03:01,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:01,979 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2019-10-22 09:03:01,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2019-10-22 09:03:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:03:01,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:01,980 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:01,980 INFO L410 AbstractCegarLoop]: === Iteration 7 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:01,980 INFO L82 PathProgramCache]: Analyzing trace with hash 460685931, now seen corresponding path program 1 times [2019-10-22 09:03:01,981 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:01,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515582489] [2019-10-22 09:03:01,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:01,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,050 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 09:03:02,050 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515582489] [2019-10-22 09:03:02,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:02,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:02,051 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870625786] [2019-10-22 09:03:02,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:02,051 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:02,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:02,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:02,058 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 4 states. [2019-10-22 09:03:02,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:02,152 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2019-10-22 09:03:02,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:02,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-10-22 09:03:02,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:02,154 INFO L225 Difference]: With dead ends: 38 [2019-10-22 09:03:02,154 INFO L226 Difference]: Without dead ends: 38 [2019-10-22 09:03:02,154 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 09:03:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-22 09:03:02,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-10-22 09:03:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-22 09:03:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2019-10-22 09:03:02,158 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 12 [2019-10-22 09:03:02,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:02,158 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2019-10-22 09:03:02,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2019-10-22 09:03:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:03:02,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:02,159 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:02,159 INFO L410 AbstractCegarLoop]: === Iteration 8 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:02,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:02,160 INFO L82 PathProgramCache]: Analyzing trace with hash 460685932, now seen corresponding path program 1 times [2019-10-22 09:03:02,160 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:02,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573850700] [2019-10-22 09:03:02,163 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,163 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,219 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 09:03:02,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573850700] [2019-10-22 09:03:02,219 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:02,220 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:02,221 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078002913] [2019-10-22 09:03:02,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:02,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:02,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:02,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:02,223 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 4 states. [2019-10-22 09:03:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:02,305 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-10-22 09:03:02,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:02,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-10-22 09:03:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:02,307 INFO L225 Difference]: With dead ends: 34 [2019-10-22 09:03:02,307 INFO L226 Difference]: Without dead ends: 34 [2019-10-22 09:03:02,307 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 09:03:02,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-22 09:03:02,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-22 09:03:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-22 09:03:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2019-10-22 09:03:02,310 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2019-10-22 09:03:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:02,311 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2019-10-22 09:03:02,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2019-10-22 09:03:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 09:03:02,312 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:02,312 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:02,321 INFO L410 AbstractCegarLoop]: === Iteration 9 === [test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:03:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:02,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1533919015, now seen corresponding path program 1 times [2019-10-22 09:03:02,322 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:02,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381631637] [2019-10-22 09:03:02,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,569 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 09:03:02,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381631637] [2019-10-22 09:03:02,571 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:02,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:03:02,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353951721] [2019-10-22 09:03:02,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:03:02,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:02,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:03:02,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:02,573 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 6 states. [2019-10-22 09:03:02,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:02,723 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-10-22 09:03:02,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:03:02,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-10-22 09:03:02,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:02,724 INFO L225 Difference]: With dead ends: 33 [2019-10-22 09:03:02,725 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:03:02,725 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:03:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:03:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:03:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:03:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:03:02,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-10-22 09:03:02,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:02,726 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:02,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:03:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:03:02,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:03:02,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:03:02 BoogieIcfgContainer [2019-10-22 09:03:02,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:03:02,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:03:02,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:03:02,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:03:02,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:00" (3/4) ... [2019-10-22 09:03:02,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:03:02,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 09:03:02,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-10-22 09:03:02,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2019-10-22 09:03:02,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-10-22 09:03:02,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-10-22 09:03:02,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-10-22 09:03:02,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 09:03:02,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-10-22 09:03:02,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-10-22 09:03:02,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 09:03:02,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:03:02,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98d8f4bd-121c-4d80-8f91-518cfa1be915/bin/uautomizer/witness.graphml [2019-10-22 09:03:02,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:03:02,842 INFO L168 Benchmark]: Toolchain (without parser) took 3566.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 948.5 MB in the beginning and 824.6 MB in the end (delta: 123.9 MB). Peak memory consumption was 270.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:02,843 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:02,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:02,844 INFO L168 Benchmark]: Boogie Preprocessor took 67.07 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:02,844 INFO L168 Benchmark]: RCFGBuilder took 540.82 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: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:02,844 INFO L168 Benchmark]: TraceAbstraction took 2319.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.4 MB in the end (delta: 234.5 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:02,845 INFO L168 Benchmark]: Witness Printer took 100.79 ms. Allocated memory is still 1.2 GB. Free memory was 831.4 MB in the beginning and 824.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:02,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.07 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 540.82 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: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2319.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.4 MB in the end (delta: 234.5 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. * Witness Printer took 100.79 ms. Allocated memory is still 1.2 GB. Free memory was 831.4 MB in the beginning and 824.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 528]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 528]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 521]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 528]: 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: 528]: 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: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 521]: 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: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: 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: 522]: 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: 522]: 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: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 82 locations, 31 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 202 SDtfs, 301 SDslu, 95 SDs, 0 SdLazy, 660 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 10636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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...