/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/forester-heap/sll-01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:24:34,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:24:34,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:24:34,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:24:34,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:24:34,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:24:34,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:24:34,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:24:34,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:24:34,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:24:34,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:24:34,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:24:34,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:24:34,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:24:34,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:24:34,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:24:34,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:24:34,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:24:34,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:24:34,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:24:34,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:24:34,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:24:34,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:24:34,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:24:34,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 19:24:34,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 19:24:34,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 19:24:34,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 19:24:34,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 19:24:34,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 19:24:34,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:24:34,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:24:34,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:24:34,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:24:34,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:24:34,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:24:34,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:24:34,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:24:34,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:24:34,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:24:34,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:24:34,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:24:34,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:24:34,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:24:34,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:24:34,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:24:34,931 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:24:34,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:24:34,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:24:34,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:24:34,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:24:34,932 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:24:34,933 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:24:34,933 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:24:34,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:24:34,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:24:34,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:24:34,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:24:34,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:24:34,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:24:34,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:24:34,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:24:34,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:24:34,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:24:34,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:24:34,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:24:34,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:24:35,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:24:35,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:24:35,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:24:35,453 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:24:35,454 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:24:35,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-01-2.i [2020-12-22 19:24:35,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744ad5d3b/97f4ee0606ac4f61a5439b8e7f8cf71f/FLAG9fa1eec8d [2020-12-22 19:24:36,446 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:24:36,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i [2020-12-22 19:24:36,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744ad5d3b/97f4ee0606ac4f61a5439b8e7f8cf71f/FLAG9fa1eec8d [2020-12-22 19:24:36,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744ad5d3b/97f4ee0606ac4f61a5439b8e7f8cf71f [2020-12-22 19:24:36,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:24:36,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:24:36,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:24:36,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:24:36,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:24:36,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:24:36" (1/1) ... [2020-12-22 19:24:36,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13517773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:36, skipping insertion in model container [2020-12-22 19:24:36,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:24:36" (1/1) ... [2020-12-22 19:24:36,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:24:36,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:24:37,141 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2020-12-22 19:24:37,164 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2020-12-22 19:24:37,167 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2020-12-22 19:24:37,169 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2020-12-22 19:24:37,175 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2020-12-22 19:24:37,179 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2020-12-22 19:24:37,184 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2020-12-22 19:24:37,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2020-12-22 19:24:37,190 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2020-12-22 19:24:37,196 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2020-12-22 19:24:37,200 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2020-12-22 19:24:37,202 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2020-12-22 19:24:37,205 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2020-12-22 19:24:37,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:24:37,238 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:24:37,313 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2020-12-22 19:24:37,322 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2020-12-22 19:24:37,330 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2020-12-22 19:24:37,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2020-12-22 19:24:37,336 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2020-12-22 19:24:37,338 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2020-12-22 19:24:37,343 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2020-12-22 19:24:37,344 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2020-12-22 19:24:37,348 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2020-12-22 19:24:37,352 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2020-12-22 19:24:37,357 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2020-12-22 19:24:37,358 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2020-12-22 19:24:37,362 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2020-12-22 19:24:37,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:24:37,426 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:24:37,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37 WrapperNode [2020-12-22 19:24:37,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:24:37,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:24:37,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:24:37,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:24:37,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:24:37,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:24:37,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:24:37,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:24:37,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... [2020-12-22 19:24:37,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:24:37,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:24:37,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:24:37,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:24:37,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:24:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 19:24:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 19:24:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:24:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 19:24:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:24:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 19:24:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:24:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:24:38,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:24:38,573 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-22 19:24:38,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:24:38 BoogieIcfgContainer [2020-12-22 19:24:38,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:24:38,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:24:38,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:24:38,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:24:38,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:24:36" (1/3) ... [2020-12-22 19:24:38,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f2d545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:24:38, skipping insertion in model container [2020-12-22 19:24:38,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:24:37" (2/3) ... [2020-12-22 19:24:38,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f2d545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:24:38, skipping insertion in model container [2020-12-22 19:24:38,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:24:38" (3/3) ... [2020-12-22 19:24:38,589 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2020-12-22 19:24:38,599 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:24:38,607 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 80 error locations. [2020-12-22 19:24:38,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2020-12-22 19:24:38,661 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:24:38,662 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:24:38,662 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:24:38,662 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:24:38,662 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:24:38,663 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:24:38,663 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:24:38,663 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:24:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-12-22 19:24:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:24:38,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:38,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:24:38,705 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:38,714 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-22 19:24:38,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:38,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012142097] [2020-12-22 19:24:38,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:38,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012142097] [2020-12-22 19:24:38,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:38,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:24:38,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523965101] [2020-12-22 19:24:38,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:38,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:38,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:38,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:38,986 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-12-22 19:24:39,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:39,300 INFO L93 Difference]: Finished difference Result 194 states and 204 transitions. [2020-12-22 19:24:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:39,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:24:39,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:39,317 INFO L225 Difference]: With dead ends: 194 [2020-12-22 19:24:39,317 INFO L226 Difference]: Without dead ends: 190 [2020-12-22 19:24:39,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:39,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-22 19:24:39,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 185. [2020-12-22 19:24:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-22 19:24:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 198 transitions. [2020-12-22 19:24:39,388 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 198 transitions. Word has length 3 [2020-12-22 19:24:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:39,388 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 198 transitions. [2020-12-22 19:24:39,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 198 transitions. [2020-12-22 19:24:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:24:39,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:39,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:24:39,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:24:39,391 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:39,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:39,392 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-12-22 19:24:39,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:39,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132279317] [2020-12-22 19:24:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:39,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132279317] [2020-12-22 19:24:39,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:39,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:24:39,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937068615] [2020-12-22 19:24:39,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:39,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:39,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:39,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:39,492 INFO L87 Difference]: Start difference. First operand 185 states and 198 transitions. Second operand 3 states. [2020-12-22 19:24:39,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:39,694 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2020-12-22 19:24:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:39,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:24:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:39,697 INFO L225 Difference]: With dead ends: 215 [2020-12-22 19:24:39,697 INFO L226 Difference]: Without dead ends: 215 [2020-12-22 19:24:39,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:39,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-22 19:24:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 195. [2020-12-22 19:24:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-12-22 19:24:39,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 219 transitions. [2020-12-22 19:24:39,717 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 219 transitions. Word has length 3 [2020-12-22 19:24:39,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:39,717 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 219 transitions. [2020-12-22 19:24:39,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 219 transitions. [2020-12-22 19:24:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-22 19:24:39,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:39,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-22 19:24:39,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 19:24:39,719 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash 28691969, now seen corresponding path program 1 times [2020-12-22 19:24:39,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:39,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924416975] [2020-12-22 19:24:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:39,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924416975] [2020-12-22 19:24:39,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:39,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:39,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746326711] [2020-12-22 19:24:39,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:39,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:39,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:39,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:39,770 INFO L87 Difference]: Start difference. First operand 195 states and 219 transitions. Second operand 3 states. [2020-12-22 19:24:39,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:39,827 INFO L93 Difference]: Finished difference Result 210 states and 222 transitions. [2020-12-22 19:24:39,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:39,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-22 19:24:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:39,830 INFO L225 Difference]: With dead ends: 210 [2020-12-22 19:24:39,830 INFO L226 Difference]: Without dead ends: 210 [2020-12-22 19:24:39,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:39,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-12-22 19:24:39,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 193. [2020-12-22 19:24:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-12-22 19:24:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2020-12-22 19:24:39,844 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 5 [2020-12-22 19:24:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:39,845 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2020-12-22 19:24:39,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2020-12-22 19:24:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 19:24:39,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:39,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:39,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 19:24:39,847 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash 811328601, now seen corresponding path program 1 times [2020-12-22 19:24:39,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:39,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293919901] [2020-12-22 19:24:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:39,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293919901] [2020-12-22 19:24:39,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:39,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:24:39,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728112565] [2020-12-22 19:24:39,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:24:39,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:39,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:24:39,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:39,999 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 5 states. [2020-12-22 19:24:40,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:40,396 INFO L93 Difference]: Finished difference Result 338 states and 370 transitions. [2020-12-22 19:24:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:24:40,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 19:24:40,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:40,399 INFO L225 Difference]: With dead ends: 338 [2020-12-22 19:24:40,400 INFO L226 Difference]: Without dead ends: 338 [2020-12-22 19:24:40,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-12-22 19:24:40,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 192. [2020-12-22 19:24:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-22 19:24:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 215 transitions. [2020-12-22 19:24:40,414 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 215 transitions. Word has length 10 [2020-12-22 19:24:40,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:40,415 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 215 transitions. [2020-12-22 19:24:40,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:24:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 215 transitions. [2020-12-22 19:24:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 19:24:40,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:40,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:40,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 19:24:40,416 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:40,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:40,418 INFO L82 PathProgramCache]: Analyzing trace with hash 811328602, now seen corresponding path program 1 times [2020-12-22 19:24:40,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:40,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557669306] [2020-12-22 19:24:40,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:40,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557669306] [2020-12-22 19:24:40,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:40,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:24:40,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270038532] [2020-12-22 19:24:40,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:24:40,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:40,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:24:40,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:40,499 INFO L87 Difference]: Start difference. First operand 192 states and 215 transitions. Second operand 5 states. [2020-12-22 19:24:40,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:40,904 INFO L93 Difference]: Finished difference Result 365 states and 410 transitions. [2020-12-22 19:24:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:24:40,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 19:24:40,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:40,907 INFO L225 Difference]: With dead ends: 365 [2020-12-22 19:24:40,908 INFO L226 Difference]: Without dead ends: 365 [2020-12-22 19:24:40,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:40,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-12-22 19:24:40,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 191. [2020-12-22 19:24:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-12-22 19:24:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2020-12-22 19:24:40,931 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 10 [2020-12-22 19:24:40,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:40,932 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2020-12-22 19:24:40,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:24:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2020-12-22 19:24:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 19:24:40,933 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:40,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:40,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 19:24:40,934 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:40,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1785577545, now seen corresponding path program 1 times [2020-12-22 19:24:40,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:40,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909991413] [2020-12-22 19:24:40,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:41,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909991413] [2020-12-22 19:24:41,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:41,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:24:41,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432811040] [2020-12-22 19:24:41,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:24:41,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:41,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:24:41,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:41,125 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand 8 states. [2020-12-22 19:24:42,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:42,026 INFO L93 Difference]: Finished difference Result 339 states and 370 transitions. [2020-12-22 19:24:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 19:24:42,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-12-22 19:24:42,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:42,029 INFO L225 Difference]: With dead ends: 339 [2020-12-22 19:24:42,030 INFO L226 Difference]: Without dead ends: 339 [2020-12-22 19:24:42,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:24:42,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-12-22 19:24:42,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 190. [2020-12-22 19:24:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 19:24:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 213 transitions. [2020-12-22 19:24:42,037 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 213 transitions. Word has length 13 [2020-12-22 19:24:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:42,037 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 213 transitions. [2020-12-22 19:24:42,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:24:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 213 transitions. [2020-12-22 19:24:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 19:24:42,038 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:42,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:42,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 19:24:42,039 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:42,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:42,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1785577546, now seen corresponding path program 1 times [2020-12-22 19:24:42,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:42,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309885124] [2020-12-22 19:24:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:42,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309885124] [2020-12-22 19:24:42,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:42,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:24:42,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265818485] [2020-12-22 19:24:42,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:24:42,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:42,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:24:42,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:42,144 INFO L87 Difference]: Start difference. First operand 190 states and 213 transitions. Second operand 8 states. [2020-12-22 19:24:42,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:42,898 INFO L93 Difference]: Finished difference Result 336 states and 367 transitions. [2020-12-22 19:24:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 19:24:42,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-12-22 19:24:42,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:42,901 INFO L225 Difference]: With dead ends: 336 [2020-12-22 19:24:42,901 INFO L226 Difference]: Without dead ends: 336 [2020-12-22 19:24:42,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:24:42,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-12-22 19:24:42,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 189. [2020-12-22 19:24:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-12-22 19:24:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 212 transitions. [2020-12-22 19:24:42,910 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 212 transitions. Word has length 13 [2020-12-22 19:24:42,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:42,910 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 212 transitions. [2020-12-22 19:24:42,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:24:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 212 transitions. [2020-12-22 19:24:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 19:24:42,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:42,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:42,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 19:24:42,912 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:42,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:42,912 INFO L82 PathProgramCache]: Analyzing trace with hash -2055050940, now seen corresponding path program 1 times [2020-12-22 19:24:42,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:42,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275516542] [2020-12-22 19:24:42,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:42,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275516542] [2020-12-22 19:24:42,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:42,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:42,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018567035] [2020-12-22 19:24:42,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:42,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:42,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:42,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:42,940 INFO L87 Difference]: Start difference. First operand 189 states and 212 transitions. Second operand 3 states. [2020-12-22 19:24:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:42,951 INFO L93 Difference]: Finished difference Result 190 states and 213 transitions. [2020-12-22 19:24:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:42,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-22 19:24:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:42,953 INFO L225 Difference]: With dead ends: 190 [2020-12-22 19:24:42,953 INFO L226 Difference]: Without dead ends: 190 [2020-12-22 19:24:42,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-22 19:24:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-12-22 19:24:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 19:24:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 213 transitions. [2020-12-22 19:24:42,959 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 213 transitions. Word has length 13 [2020-12-22 19:24:42,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:42,959 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 213 transitions. [2020-12-22 19:24:42,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 213 transitions. [2020-12-22 19:24:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 19:24:42,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:42,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:42,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 19:24:42,961 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:42,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:42,962 INFO L82 PathProgramCache]: Analyzing trace with hash 782638729, now seen corresponding path program 1 times [2020-12-22 19:24:42,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:42,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076904246] [2020-12-22 19:24:42,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:43,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076904246] [2020-12-22 19:24:43,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:43,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:24:43,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25757553] [2020-12-22 19:24:43,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 19:24:43,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:43,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 19:24:43,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:24:43,040 INFO L87 Difference]: Start difference. First operand 190 states and 213 transitions. Second operand 7 states. [2020-12-22 19:24:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:43,364 INFO L93 Difference]: Finished difference Result 282 states and 312 transitions. [2020-12-22 19:24:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 19:24:43,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 19:24:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:43,367 INFO L225 Difference]: With dead ends: 282 [2020-12-22 19:24:43,367 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 19:24:43,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:24:43,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 19:24:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 187. [2020-12-22 19:24:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-12-22 19:24:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 210 transitions. [2020-12-22 19:24:43,375 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 210 transitions. Word has length 15 [2020-12-22 19:24:43,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:43,375 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 210 transitions. [2020-12-22 19:24:43,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 19:24:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions. [2020-12-22 19:24:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 19:24:43,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:43,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:43,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 19:24:43,378 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:43,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:43,379 INFO L82 PathProgramCache]: Analyzing trace with hash -952056114, now seen corresponding path program 1 times [2020-12-22 19:24:43,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:43,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060285067] [2020-12-22 19:24:43,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:43,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060285067] [2020-12-22 19:24:43,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:43,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 19:24:43,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537986439] [2020-12-22 19:24:43,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:24:43,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:43,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:24:43,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:43,431 INFO L87 Difference]: Start difference. First operand 187 states and 210 transitions. Second operand 5 states. [2020-12-22 19:24:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:43,647 INFO L93 Difference]: Finished difference Result 283 states and 312 transitions. [2020-12-22 19:24:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:24:43,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 19:24:43,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:43,650 INFO L225 Difference]: With dead ends: 283 [2020-12-22 19:24:43,650 INFO L226 Difference]: Without dead ends: 283 [2020-12-22 19:24:43,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:24:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-12-22 19:24:43,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 190. [2020-12-22 19:24:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 19:24:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 213 transitions. [2020-12-22 19:24:43,657 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 213 transitions. Word has length 17 [2020-12-22 19:24:43,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:43,658 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 213 transitions. [2020-12-22 19:24:43,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:24:43,658 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 213 transitions. [2020-12-22 19:24:43,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 19:24:43,659 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:43,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:43,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 19:24:43,660 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:43,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:43,661 INFO L82 PathProgramCache]: Analyzing trace with hash 558780819, now seen corresponding path program 1 times [2020-12-22 19:24:43,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:43,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930528740] [2020-12-22 19:24:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:43,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930528740] [2020-12-22 19:24:43,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:43,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:43,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076098395] [2020-12-22 19:24:43,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:24:43,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:43,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:24:43,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:24:43,714 INFO L87 Difference]: Start difference. First operand 190 states and 213 transitions. Second operand 4 states. [2020-12-22 19:24:43,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:43,936 INFO L93 Difference]: Finished difference Result 186 states and 207 transitions. [2020-12-22 19:24:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:24:43,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-12-22 19:24:43,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:43,939 INFO L225 Difference]: With dead ends: 186 [2020-12-22 19:24:43,939 INFO L226 Difference]: Without dead ends: 186 [2020-12-22 19:24:43,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-12-22 19:24:43,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 181. [2020-12-22 19:24:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-22 19:24:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 204 transitions. [2020-12-22 19:24:43,945 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 204 transitions. Word has length 19 [2020-12-22 19:24:43,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:43,945 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 204 transitions. [2020-12-22 19:24:43,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:24:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 204 transitions. [2020-12-22 19:24:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 19:24:43,947 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:43,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:43,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 19:24:43,947 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:43,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:43,948 INFO L82 PathProgramCache]: Analyzing trace with hash 558780820, now seen corresponding path program 1 times [2020-12-22 19:24:43,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:43,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960876634] [2020-12-22 19:24:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:44,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960876634] [2020-12-22 19:24:44,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:44,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:44,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942018269] [2020-12-22 19:24:44,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:24:44,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:44,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:24:44,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:24:44,043 INFO L87 Difference]: Start difference. First operand 181 states and 204 transitions. Second operand 4 states. [2020-12-22 19:24:44,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:44,345 INFO L93 Difference]: Finished difference Result 241 states and 258 transitions. [2020-12-22 19:24:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:24:44,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-12-22 19:24:44,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:44,348 INFO L225 Difference]: With dead ends: 241 [2020-12-22 19:24:44,349 INFO L226 Difference]: Without dead ends: 241 [2020-12-22 19:24:44,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-12-22 19:24:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 204. [2020-12-22 19:24:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 19:24:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 242 transitions. [2020-12-22 19:24:44,369 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 242 transitions. Word has length 19 [2020-12-22 19:24:44,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:44,372 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 242 transitions. [2020-12-22 19:24:44,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:24:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2020-12-22 19:24:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 19:24:44,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:44,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:44,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 19:24:44,378 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:44,378 INFO L82 PathProgramCache]: Analyzing trace with hash 117502943, now seen corresponding path program 1 times [2020-12-22 19:24:44,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:44,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832688891] [2020-12-22 19:24:44,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:44,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832688891] [2020-12-22 19:24:44,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:44,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:24:44,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457513201] [2020-12-22 19:24:44,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:24:44,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:44,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:24:44,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:24:44,445 INFO L87 Difference]: Start difference. First operand 204 states and 242 transitions. Second operand 4 states. [2020-12-22 19:24:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:44,594 INFO L93 Difference]: Finished difference Result 236 states and 252 transitions. [2020-12-22 19:24:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:24:44,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-12-22 19:24:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:44,597 INFO L225 Difference]: With dead ends: 236 [2020-12-22 19:24:44,597 INFO L226 Difference]: Without dead ends: 236 [2020-12-22 19:24:44,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:44,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-12-22 19:24:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 202. [2020-12-22 19:24:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-12-22 19:24:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 239 transitions. [2020-12-22 19:24:44,605 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 239 transitions. Word has length 21 [2020-12-22 19:24:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:44,605 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 239 transitions. [2020-12-22 19:24:44,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:24:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 239 transitions. [2020-12-22 19:24:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 19:24:44,606 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:44,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:44,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 19:24:44,607 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash -653794832, now seen corresponding path program 1 times [2020-12-22 19:24:44,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:44,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933887548] [2020-12-22 19:24:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:44,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933887548] [2020-12-22 19:24:44,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:44,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 19:24:44,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301321922] [2020-12-22 19:24:44,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 19:24:44,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:44,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 19:24:44,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 19:24:44,664 INFO L87 Difference]: Start difference. First operand 202 states and 239 transitions. Second operand 6 states. [2020-12-22 19:24:45,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:45,116 INFO L93 Difference]: Finished difference Result 298 states and 355 transitions. [2020-12-22 19:24:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 19:24:45,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 19:24:45,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:45,120 INFO L225 Difference]: With dead ends: 298 [2020-12-22 19:24:45,121 INFO L226 Difference]: Without dead ends: 298 [2020-12-22 19:24:45,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 19:24:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-12-22 19:24:45,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 201. [2020-12-22 19:24:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-12-22 19:24:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2020-12-22 19:24:45,139 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 22 [2020-12-22 19:24:45,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:45,139 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2020-12-22 19:24:45,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 19:24:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2020-12-22 19:24:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 19:24:45,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:45,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:45,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 19:24:45,143 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:45,144 INFO L82 PathProgramCache]: Analyzing trace with hash -653794831, now seen corresponding path program 1 times [2020-12-22 19:24:45,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:45,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715273182] [2020-12-22 19:24:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:45,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715273182] [2020-12-22 19:24:45,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:45,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 19:24:45,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851774890] [2020-12-22 19:24:45,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 19:24:45,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:45,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 19:24:45,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 19:24:45,272 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand 6 states. [2020-12-22 19:24:45,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:45,747 INFO L93 Difference]: Finished difference Result 318 states and 386 transitions. [2020-12-22 19:24:45,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 19:24:45,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 19:24:45,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:45,750 INFO L225 Difference]: With dead ends: 318 [2020-12-22 19:24:45,750 INFO L226 Difference]: Without dead ends: 318 [2020-12-22 19:24:45,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:24:45,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-12-22 19:24:45,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 188. [2020-12-22 19:24:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-12-22 19:24:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 224 transitions. [2020-12-22 19:24:45,757 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 224 transitions. Word has length 22 [2020-12-22 19:24:45,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:45,757 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 224 transitions. [2020-12-22 19:24:45,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 19:24:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 224 transitions. [2020-12-22 19:24:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 19:24:45,758 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:45,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:45,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 19:24:45,759 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:45,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1231605840, now seen corresponding path program 1 times [2020-12-22 19:24:45,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:45,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677257705] [2020-12-22 19:24:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:45,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677257705] [2020-12-22 19:24:45,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:45,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 19:24:45,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976428646] [2020-12-22 19:24:45,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 19:24:45,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:45,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 19:24:45,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 19:24:45,812 INFO L87 Difference]: Start difference. First operand 188 states and 224 transitions. Second operand 6 states. [2020-12-22 19:24:46,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:46,114 INFO L93 Difference]: Finished difference Result 314 states and 382 transitions. [2020-12-22 19:24:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 19:24:46,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 19:24:46,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:46,117 INFO L225 Difference]: With dead ends: 314 [2020-12-22 19:24:46,118 INFO L226 Difference]: Without dead ends: 314 [2020-12-22 19:24:46,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:24:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-12-22 19:24:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 184. [2020-12-22 19:24:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-12-22 19:24:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 220 transitions. [2020-12-22 19:24:46,125 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 220 transitions. Word has length 24 [2020-12-22 19:24:46,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:46,125 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 220 transitions. [2020-12-22 19:24:46,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 19:24:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 220 transitions. [2020-12-22 19:24:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 19:24:46,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:46,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:46,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 19:24:46,127 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:46,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:46,127 INFO L82 PathProgramCache]: Analyzing trace with hash 74153419, now seen corresponding path program 1 times [2020-12-22 19:24:46,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:46,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090626671] [2020-12-22 19:24:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:46,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090626671] [2020-12-22 19:24:46,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:46,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:46,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170166652] [2020-12-22 19:24:46,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:46,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:46,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:46,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:46,195 INFO L87 Difference]: Start difference. First operand 184 states and 220 transitions. Second operand 3 states. [2020-12-22 19:24:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:46,213 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2020-12-22 19:24:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:46,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 19:24:46,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:46,217 INFO L225 Difference]: With dead ends: 257 [2020-12-22 19:24:46,217 INFO L226 Difference]: Without dead ends: 257 [2020-12-22 19:24:46,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:46,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-12-22 19:24:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 190. [2020-12-22 19:24:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 19:24:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 228 transitions. [2020-12-22 19:24:46,226 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 228 transitions. Word has length 27 [2020-12-22 19:24:46,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:46,227 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 228 transitions. [2020-12-22 19:24:46,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 228 transitions. [2020-12-22 19:24:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 19:24:46,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:46,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:46,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 19:24:46,229 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:46,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:46,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1996232602, now seen corresponding path program 1 times [2020-12-22 19:24:46,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:46,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252130936] [2020-12-22 19:24:46,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:46,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252130936] [2020-12-22 19:24:46,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:46,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:46,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571090802] [2020-12-22 19:24:46,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:46,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:46,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:46,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:46,297 INFO L87 Difference]: Start difference. First operand 190 states and 228 transitions. Second operand 3 states. [2020-12-22 19:24:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:46,327 INFO L93 Difference]: Finished difference Result 188 states and 225 transitions. [2020-12-22 19:24:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:46,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 19:24:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:46,329 INFO L225 Difference]: With dead ends: 188 [2020-12-22 19:24:46,329 INFO L226 Difference]: Without dead ends: 188 [2020-12-22 19:24:46,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:46,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-22 19:24:46,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-12-22 19:24:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-12-22 19:24:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 225 transitions. [2020-12-22 19:24:46,337 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 225 transitions. Word has length 28 [2020-12-22 19:24:46,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:46,339 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 225 transitions. [2020-12-22 19:24:46,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 225 transitions. [2020-12-22 19:24:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 19:24:46,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:46,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:46,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 19:24:46,342 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:46,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:46,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1753664192, now seen corresponding path program 1 times [2020-12-22 19:24:46,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:46,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878439732] [2020-12-22 19:24:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:46,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878439732] [2020-12-22 19:24:46,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:46,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:24:46,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909533207] [2020-12-22 19:24:46,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 19:24:46,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:46,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 19:24:46,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 19:24:46,520 INFO L87 Difference]: Start difference. First operand 188 states and 225 transitions. Second operand 9 states. [2020-12-22 19:24:47,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:47,026 INFO L93 Difference]: Finished difference Result 317 states and 355 transitions. [2020-12-22 19:24:47,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 19:24:47,027 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-12-22 19:24:47,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:47,029 INFO L225 Difference]: With dead ends: 317 [2020-12-22 19:24:47,029 INFO L226 Difference]: Without dead ends: 317 [2020-12-22 19:24:47,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-12-22 19:24:47,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-12-22 19:24:47,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 220. [2020-12-22 19:24:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-12-22 19:24:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 262 transitions. [2020-12-22 19:24:47,035 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 262 transitions. Word has length 29 [2020-12-22 19:24:47,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:47,036 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 262 transitions. [2020-12-22 19:24:47,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 19:24:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 262 transitions. [2020-12-22 19:24:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 19:24:47,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:47,037 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:47,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 19:24:47,037 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:47,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:47,038 INFO L82 PathProgramCache]: Analyzing trace with hash -882542413, now seen corresponding path program 1 times [2020-12-22 19:24:47,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:47,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962616270] [2020-12-22 19:24:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:47,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962616270] [2020-12-22 19:24:47,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250094601] [2020-12-22 19:24:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:24:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:47,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-22 19:24:47,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:24:47,406 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:24:47,407 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,417 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:47,421 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:24:47,423 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,432 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:47,434 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,434 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2020-12-22 19:24:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:47,494 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:24:47,499 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,513 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:47,519 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:24:47,524 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,537 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:47,538 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,538 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2020-12-22 19:24:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:47,890 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:24:47,893 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2020-12-22 19:24:47,899 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,934 INFO L625 ElimStorePlain]: treesize reduction 3, result has 92.3 percent of original size [2020-12-22 19:24:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:24:47,940 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-22 19:24:47,942 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:47,943 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 13 [2020-12-22 19:24:47,946 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,956 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:24:47,961 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:24:47,961 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:59, output treesize:7 [2020-12-22 19:24:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:47,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:24:47,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2020-12-22 19:24:47,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084853117] [2020-12-22 19:24:47,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:24:47,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:47,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:24:47,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:24:47,991 INFO L87 Difference]: Start difference. First operand 220 states and 262 transitions. Second operand 10 states. [2020-12-22 19:24:48,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:48,775 INFO L93 Difference]: Finished difference Result 373 states and 414 transitions. [2020-12-22 19:24:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 19:24:48,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-12-22 19:24:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:48,778 INFO L225 Difference]: With dead ends: 373 [2020-12-22 19:24:48,778 INFO L226 Difference]: Without dead ends: 373 [2020-12-22 19:24:48,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-12-22 19:24:48,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-12-22 19:24:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 258. [2020-12-22 19:24:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-12-22 19:24:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 316 transitions. [2020-12-22 19:24:48,795 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 316 transitions. Word has length 31 [2020-12-22 19:24:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:48,795 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 316 transitions. [2020-12-22 19:24:48,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:24:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2020-12-22 19:24:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 19:24:48,796 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:48,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:49,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:24:49,010 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:49,011 INFO L82 PathProgramCache]: Analyzing trace with hash 2124704536, now seen corresponding path program 1 times [2020-12-22 19:24:49,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:49,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255867209] [2020-12-22 19:24:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:49,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255867209] [2020-12-22 19:24:49,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:49,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:24:49,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793552651] [2020-12-22 19:24:49,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:24:49,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:49,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:24:49,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:49,062 INFO L87 Difference]: Start difference. First operand 258 states and 316 transitions. Second operand 5 states. [2020-12-22 19:24:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:49,358 INFO L93 Difference]: Finished difference Result 380 states and 462 transitions. [2020-12-22 19:24:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:24:49,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 19:24:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:49,361 INFO L225 Difference]: With dead ends: 380 [2020-12-22 19:24:49,361 INFO L226 Difference]: Without dead ends: 380 [2020-12-22 19:24:49,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:49,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-12-22 19:24:49,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 257. [2020-12-22 19:24:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-12-22 19:24:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 315 transitions. [2020-12-22 19:24:49,369 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 315 transitions. Word has length 31 [2020-12-22 19:24:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:49,369 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 315 transitions. [2020-12-22 19:24:49,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:24:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 315 transitions. [2020-12-22 19:24:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 19:24:49,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:49,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:49,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 19:24:49,371 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:49,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:49,372 INFO L82 PathProgramCache]: Analyzing trace with hash 2124704537, now seen corresponding path program 1 times [2020-12-22 19:24:49,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:49,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443942816] [2020-12-22 19:24:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:49,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443942816] [2020-12-22 19:24:49,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:49,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 19:24:49,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736738917] [2020-12-22 19:24:49,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:24:49,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:49,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:24:49,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:49,432 INFO L87 Difference]: Start difference. First operand 257 states and 315 transitions. Second operand 5 states. [2020-12-22 19:24:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:49,749 INFO L93 Difference]: Finished difference Result 407 states and 500 transitions. [2020-12-22 19:24:49,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 19:24:49,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 19:24:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:49,754 INFO L225 Difference]: With dead ends: 407 [2020-12-22 19:24:49,754 INFO L226 Difference]: Without dead ends: 407 [2020-12-22 19:24:49,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-12-22 19:24:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 256. [2020-12-22 19:24:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-12-22 19:24:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 314 transitions. [2020-12-22 19:24:49,761 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 314 transitions. Word has length 31 [2020-12-22 19:24:49,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:49,761 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 314 transitions. [2020-12-22 19:24:49,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:24:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 314 transitions. [2020-12-22 19:24:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 19:24:49,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:49,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:49,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 19:24:49,763 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:49,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1154101580, now seen corresponding path program 1 times [2020-12-22 19:24:49,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:49,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021012683] [2020-12-22 19:24:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:49,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021012683] [2020-12-22 19:24:49,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:49,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 19:24:49,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067625487] [2020-12-22 19:24:49,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 19:24:49,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:49,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 19:24:49,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:24:49,915 INFO L87 Difference]: Start difference. First operand 256 states and 314 transitions. Second operand 11 states. [2020-12-22 19:24:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:50,945 INFO L93 Difference]: Finished difference Result 518 states and 591 transitions. [2020-12-22 19:24:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 19:24:50,945 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2020-12-22 19:24:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:50,950 INFO L225 Difference]: With dead ends: 518 [2020-12-22 19:24:50,950 INFO L226 Difference]: Without dead ends: 518 [2020-12-22 19:24:50,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2020-12-22 19:24:50,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-12-22 19:24:50,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 257. [2020-12-22 19:24:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-12-22 19:24:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 312 transitions. [2020-12-22 19:24:50,960 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 312 transitions. Word has length 33 [2020-12-22 19:24:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:50,960 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 312 transitions. [2020-12-22 19:24:50,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 19:24:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2020-12-22 19:24:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 19:24:50,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:50,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:50,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 19:24:50,962 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:50,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:50,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1154101579, now seen corresponding path program 1 times [2020-12-22 19:24:50,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:50,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984211550] [2020-12-22 19:24:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:51,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984211550] [2020-12-22 19:24:51,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:51,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-22 19:24:51,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651834826] [2020-12-22 19:24:51,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 19:24:51,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:51,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 19:24:51,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-12-22 19:24:51,199 INFO L87 Difference]: Start difference. First operand 257 states and 312 transitions. Second operand 12 states. [2020-12-22 19:24:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:52,580 INFO L93 Difference]: Finished difference Result 589 states and 656 transitions. [2020-12-22 19:24:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-22 19:24:52,581 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2020-12-22 19:24:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:52,585 INFO L225 Difference]: With dead ends: 589 [2020-12-22 19:24:52,585 INFO L226 Difference]: Without dead ends: 589 [2020-12-22 19:24:52,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2020-12-22 19:24:52,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-12-22 19:24:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 263. [2020-12-22 19:24:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-12-22 19:24:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 319 transitions. [2020-12-22 19:24:52,595 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 319 transitions. Word has length 33 [2020-12-22 19:24:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:52,595 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 319 transitions. [2020-12-22 19:24:52,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-22 19:24:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 319 transitions. [2020-12-22 19:24:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 19:24:52,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:52,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:52,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 19:24:52,597 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash 2139915977, now seen corresponding path program 1 times [2020-12-22 19:24:52,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:52,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719830021] [2020-12-22 19:24:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:52,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719830021] [2020-12-22 19:24:52,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:52,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:24:52,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606142163] [2020-12-22 19:24:52,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:24:52,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:52,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:24:52,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:52,737 INFO L87 Difference]: Start difference. First operand 263 states and 319 transitions. Second operand 8 states. [2020-12-22 19:24:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:53,107 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2020-12-22 19:24:53,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 19:24:53,108 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-12-22 19:24:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:53,110 INFO L225 Difference]: With dead ends: 278 [2020-12-22 19:24:53,110 INFO L226 Difference]: Without dead ends: 278 [2020-12-22 19:24:53,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 19:24:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-12-22 19:24:53,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 262. [2020-12-22 19:24:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-22 19:24:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 318 transitions. [2020-12-22 19:24:53,117 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 318 transitions. Word has length 34 [2020-12-22 19:24:53,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:53,117 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 318 transitions. [2020-12-22 19:24:53,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:24:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 318 transitions. [2020-12-22 19:24:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 19:24:53,118 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:53,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:53,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-22 19:24:53,119 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:53,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:53,119 INFO L82 PathProgramCache]: Analyzing trace with hash 2139915978, now seen corresponding path program 1 times [2020-12-22 19:24:53,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:53,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031578235] [2020-12-22 19:24:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:53,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031578235] [2020-12-22 19:24:53,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:53,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:24:53,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811137947] [2020-12-22 19:24:53,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 19:24:53,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:53,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 19:24:53,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:53,317 INFO L87 Difference]: Start difference. First operand 262 states and 318 transitions. Second operand 8 states. [2020-12-22 19:24:53,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:53,700 INFO L93 Difference]: Finished difference Result 277 states and 335 transitions. [2020-12-22 19:24:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 19:24:53,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-12-22 19:24:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:53,703 INFO L225 Difference]: With dead ends: 277 [2020-12-22 19:24:53,703 INFO L226 Difference]: Without dead ends: 277 [2020-12-22 19:24:53,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:24:53,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-12-22 19:24:53,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 261. [2020-12-22 19:24:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-12-22 19:24:53,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2020-12-22 19:24:53,709 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 34 [2020-12-22 19:24:53,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:53,710 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2020-12-22 19:24:53,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 19:24:53,710 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2020-12-22 19:24:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 19:24:53,711 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:53,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:53,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-22 19:24:53,711 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:53,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:53,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1870442583, now seen corresponding path program 1 times [2020-12-22 19:24:53,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:53,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125071821] [2020-12-22 19:24:53,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:53,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125071821] [2020-12-22 19:24:53,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:53,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:53,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111537354] [2020-12-22 19:24:53,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:53,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:53,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:53,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:53,742 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand 3 states. [2020-12-22 19:24:53,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:53,752 INFO L93 Difference]: Finished difference Result 263 states and 319 transitions. [2020-12-22 19:24:53,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:53,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 19:24:53,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:53,754 INFO L225 Difference]: With dead ends: 263 [2020-12-22 19:24:53,754 INFO L226 Difference]: Without dead ends: 263 [2020-12-22 19:24:53,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:53,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-12-22 19:24:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2020-12-22 19:24:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-12-22 19:24:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 319 transitions. [2020-12-22 19:24:53,761 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 319 transitions. Word has length 34 [2020-12-22 19:24:53,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:53,761 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 319 transitions. [2020-12-22 19:24:53,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 319 transitions. [2020-12-22 19:24:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 19:24:53,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:53,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:53,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-22 19:24:53,762 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:53,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:53,763 INFO L82 PathProgramCache]: Analyzing trace with hash -990048364, now seen corresponding path program 1 times [2020-12-22 19:24:53,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:53,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605043640] [2020-12-22 19:24:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:54,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605043640] [2020-12-22 19:24:54,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:54,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-22 19:24:54,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545602680] [2020-12-22 19:24:54,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 19:24:54,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:54,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 19:24:54,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-12-22 19:24:54,028 INFO L87 Difference]: Start difference. First operand 263 states and 319 transitions. Second operand 13 states. [2020-12-22 19:24:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:55,531 INFO L93 Difference]: Finished difference Result 585 states and 652 transitions. [2020-12-22 19:24:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-22 19:24:55,532 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2020-12-22 19:24:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:55,537 INFO L225 Difference]: With dead ends: 585 [2020-12-22 19:24:55,538 INFO L226 Difference]: Without dead ends: 585 [2020-12-22 19:24:55,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-12-22 19:24:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-12-22 19:24:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 263. [2020-12-22 19:24:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-12-22 19:24:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 318 transitions. [2020-12-22 19:24:55,547 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 318 transitions. Word has length 35 [2020-12-22 19:24:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:55,547 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 318 transitions. [2020-12-22 19:24:55,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 19:24:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 318 transitions. [2020-12-22 19:24:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 19:24:55,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:55,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:55,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-22 19:24:55,548 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:55,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:55,549 INFO L82 PathProgramCache]: Analyzing trace with hash -20370477, now seen corresponding path program 1 times [2020-12-22 19:24:55,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:55,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95792081] [2020-12-22 19:24:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:24:55,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95792081] [2020-12-22 19:24:55,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:55,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 19:24:55,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741410676] [2020-12-22 19:24:55,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 19:24:55,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:55,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 19:24:55,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 19:24:55,643 INFO L87 Difference]: Start difference. First operand 263 states and 318 transitions. Second operand 7 states. [2020-12-22 19:24:55,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:55,928 INFO L93 Difference]: Finished difference Result 278 states and 333 transitions. [2020-12-22 19:24:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 19:24:55,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-12-22 19:24:55,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:55,931 INFO L225 Difference]: With dead ends: 278 [2020-12-22 19:24:55,931 INFO L226 Difference]: Without dead ends: 278 [2020-12-22 19:24:55,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-22 19:24:55,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-12-22 19:24:55,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 272. [2020-12-22 19:24:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-22 19:24:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 327 transitions. [2020-12-22 19:24:55,938 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 327 transitions. Word has length 36 [2020-12-22 19:24:55,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:55,938 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 327 transitions. [2020-12-22 19:24:55,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 19:24:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2020-12-22 19:24:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 19:24:55,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:55,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:55,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-22 19:24:55,940 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:55,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:55,940 INFO L82 PathProgramCache]: Analyzing trace with hash -2094335204, now seen corresponding path program 1 times [2020-12-22 19:24:55,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:55,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83815343] [2020-12-22 19:24:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:55,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83815343] [2020-12-22 19:24:55,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:55,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 19:24:55,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193719664] [2020-12-22 19:24:55,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 19:24:55,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:55,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 19:24:55,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:24:55,988 INFO L87 Difference]: Start difference. First operand 272 states and 327 transitions. Second operand 5 states. [2020-12-22 19:24:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:56,132 INFO L93 Difference]: Finished difference Result 286 states and 342 transitions. [2020-12-22 19:24:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 19:24:56,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 19:24:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:56,135 INFO L225 Difference]: With dead ends: 286 [2020-12-22 19:24:56,135 INFO L226 Difference]: Without dead ends: 286 [2020-12-22 19:24:56,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 19:24:56,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-12-22 19:24:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 276. [2020-12-22 19:24:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-12-22 19:24:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 331 transitions. [2020-12-22 19:24:56,142 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 331 transitions. Word has length 36 [2020-12-22 19:24:56,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:56,142 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 331 transitions. [2020-12-22 19:24:56,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 19:24:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 331 transitions. [2020-12-22 19:24:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 19:24:56,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:56,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:56,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-22 19:24:56,143 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:56,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:56,144 INFO L82 PathProgramCache]: Analyzing trace with hash -986205498, now seen corresponding path program 1 times [2020-12-22 19:24:56,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:56,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081469521] [2020-12-22 19:24:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:24:56,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081469521] [2020-12-22 19:24:56,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:56,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-22 19:24:56,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836174322] [2020-12-22 19:24:56,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-22 19:24:56,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:56,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-22 19:24:56,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-12-22 19:24:56,419 INFO L87 Difference]: Start difference. First operand 276 states and 331 transitions. Second operand 14 states. [2020-12-22 19:24:57,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:57,974 INFO L93 Difference]: Finished difference Result 604 states and 671 transitions. [2020-12-22 19:24:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-22 19:24:57,974 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-12-22 19:24:57,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:57,978 INFO L225 Difference]: With dead ends: 604 [2020-12-22 19:24:57,978 INFO L226 Difference]: Without dead ends: 604 [2020-12-22 19:24:57,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2020-12-22 19:24:57,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-12-22 19:24:57,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 276. [2020-12-22 19:24:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-12-22 19:24:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 330 transitions. [2020-12-22 19:24:57,987 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 330 transitions. Word has length 38 [2020-12-22 19:24:57,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:57,987 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 330 transitions. [2020-12-22 19:24:57,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-22 19:24:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 330 transitions. [2020-12-22 19:24:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 19:24:57,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:57,988 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:57,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-22 19:24:57,989 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:57,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1961682776, now seen corresponding path program 1 times [2020-12-22 19:24:57,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:57,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417553404] [2020-12-22 19:24:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:24:58,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417553404] [2020-12-22 19:24:58,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:58,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:24:58,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491981647] [2020-12-22 19:24:58,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:58,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:58,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:58,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:58,024 INFO L87 Difference]: Start difference. First operand 276 states and 330 transitions. Second operand 3 states. [2020-12-22 19:24:58,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:58,072 INFO L93 Difference]: Finished difference Result 289 states and 334 transitions. [2020-12-22 19:24:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:58,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-22 19:24:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:58,074 INFO L225 Difference]: With dead ends: 289 [2020-12-22 19:24:58,074 INFO L226 Difference]: Without dead ends: 289 [2020-12-22 19:24:58,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:58,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-22 19:24:58,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 277. [2020-12-22 19:24:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-12-22 19:24:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 331 transitions. [2020-12-22 19:24:58,081 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 331 transitions. Word has length 38 [2020-12-22 19:24:58,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:58,081 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 331 transitions. [2020-12-22 19:24:58,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 331 transitions. [2020-12-22 19:24:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-22 19:24:58,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:58,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:58,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-22 19:24:58,082 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:58,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:58,083 INFO L82 PathProgramCache]: Analyzing trace with hash 359057375, now seen corresponding path program 1 times [2020-12-22 19:24:58,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:58,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996011270] [2020-12-22 19:24:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:24:58,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996011270] [2020-12-22 19:24:58,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:58,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:24:58,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111418386] [2020-12-22 19:24:58,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:24:58,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:58,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:24:58,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:58,114 INFO L87 Difference]: Start difference. First operand 277 states and 331 transitions. Second operand 3 states. [2020-12-22 19:24:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:58,172 INFO L93 Difference]: Finished difference Result 278 states and 331 transitions. [2020-12-22 19:24:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:24:58,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-22 19:24:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:58,174 INFO L225 Difference]: With dead ends: 278 [2020-12-22 19:24:58,175 INFO L226 Difference]: Without dead ends: 278 [2020-12-22 19:24:58,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:24:58,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-12-22 19:24:58,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 275. [2020-12-22 19:24:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-12-22 19:24:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 328 transitions. [2020-12-22 19:24:58,180 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 328 transitions. Word has length 40 [2020-12-22 19:24:58,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:58,181 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 328 transitions. [2020-12-22 19:24:58,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:24:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 328 transitions. [2020-12-22 19:24:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 19:24:58,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:58,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:58,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-22 19:24:58,182 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:58,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1754118823, now seen corresponding path program 1 times [2020-12-22 19:24:58,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:58,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714487580] [2020-12-22 19:24:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:24:58,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714487580] [2020-12-22 19:24:58,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:58,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:24:58,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637020115] [2020-12-22 19:24:58,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:24:58,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:58,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:24:58,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:24:58,302 INFO L87 Difference]: Start difference. First operand 275 states and 328 transitions. Second operand 10 states. [2020-12-22 19:24:58,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:24:58,989 INFO L93 Difference]: Finished difference Result 498 states and 569 transitions. [2020-12-22 19:24:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 19:24:58,990 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-12-22 19:24:58,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:24:58,994 INFO L225 Difference]: With dead ends: 498 [2020-12-22 19:24:58,996 INFO L226 Difference]: Without dead ends: 498 [2020-12-22 19:24:58,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-12-22 19:24:58,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-12-22 19:24:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 282. [2020-12-22 19:24:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 19:24:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 337 transitions. [2020-12-22 19:24:59,006 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 337 transitions. Word has length 41 [2020-12-22 19:24:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:24:59,006 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 337 transitions. [2020-12-22 19:24:59,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:24:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 337 transitions. [2020-12-22 19:24:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 19:24:59,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:24:59,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:24:59,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-22 19:24:59,008 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:24:59,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:24:59,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1754118822, now seen corresponding path program 1 times [2020-12-22 19:24:59,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:24:59,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535493844] [2020-12-22 19:24:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:24:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:24:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:24:59,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535493844] [2020-12-22 19:24:59,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:24:59,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-22 19:24:59,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391018040] [2020-12-22 19:24:59,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:24:59,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:24:59,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:24:59,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:24:59,163 INFO L87 Difference]: Start difference. First operand 282 states and 337 transitions. Second operand 10 states. [2020-12-22 19:25:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:25:00,098 INFO L93 Difference]: Finished difference Result 500 states and 571 transitions. [2020-12-22 19:25:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 19:25:00,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-12-22 19:25:00,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:25:00,102 INFO L225 Difference]: With dead ends: 500 [2020-12-22 19:25:00,102 INFO L226 Difference]: Without dead ends: 500 [2020-12-22 19:25:00,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-12-22 19:25:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-12-22 19:25:00,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 288. [2020-12-22 19:25:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-22 19:25:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 344 transitions. [2020-12-22 19:25:00,109 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 344 transitions. Word has length 41 [2020-12-22 19:25:00,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:25:00,110 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 344 transitions. [2020-12-22 19:25:00,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:25:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 344 transitions. [2020-12-22 19:25:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 19:25:00,111 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:25:00,111 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:25:00,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-22 19:25:00,111 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:25:00,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:25:00,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1127958789, now seen corresponding path program 1 times [2020-12-22 19:25:00,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:25:00,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871584516] [2020-12-22 19:25:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:25:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:25:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:25:00,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871584516] [2020-12-22 19:25:00,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502789189] [2020-12-22 19:25:00,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 19:25:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:25:00,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-22 19:25:00,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 19:25:00,348 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:25:00,349 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,354 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:25:00,357 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 19:25:00,358 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:25:00,363 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,363 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2020-12-22 19:25:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:25:00,384 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:25:00,385 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,396 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:25:00,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:25:00,413 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 19:25:00,415 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:25:00,424 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,428 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2020-12-22 19:25:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 19:25:00,505 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2020-12-22 19:25:00,507 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,515 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:25:00,520 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-22 19:25:00,520 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2020-12-22 19:25:00,522 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 19:25:00,527 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 19:25:00,527 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2020-12-22 19:25:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 19:25:00,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 19:25:00,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 10 [2020-12-22 19:25:00,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792105770] [2020-12-22 19:25:00,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 19:25:00,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:25:00,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 19:25:00,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-22 19:25:00,548 INFO L87 Difference]: Start difference. First operand 288 states and 344 transitions. Second operand 10 states. [2020-12-22 19:25:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:25:01,487 INFO L93 Difference]: Finished difference Result 418 states and 462 transitions. [2020-12-22 19:25:01,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-22 19:25:01,488 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-12-22 19:25:01,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:25:01,490 INFO L225 Difference]: With dead ends: 418 [2020-12-22 19:25:01,490 INFO L226 Difference]: Without dead ends: 418 [2020-12-22 19:25:01,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2020-12-22 19:25:01,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-12-22 19:25:01,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 312. [2020-12-22 19:25:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-12-22 19:25:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 378 transitions. [2020-12-22 19:25:01,498 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 378 transitions. Word has length 41 [2020-12-22 19:25:01,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:25:01,498 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 378 transitions. [2020-12-22 19:25:01,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 19:25:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 378 transitions. [2020-12-22 19:25:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 19:25:01,500 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:25:01,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:25:01,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-12-22 19:25:01,714 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-22 19:25:01,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:25:01,714 INFO L82 PathProgramCache]: Analyzing trace with hash 817417806, now seen corresponding path program 1 times [2020-12-22 19:25:01,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:25:01,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132843267] [2020-12-22 19:25:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:25:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:25:01,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:25:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:25:01,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:25:01,786 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 19:25:01,786 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 19:25:01,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-22 19:25:01,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:25:01 BoogieIcfgContainer [2020-12-22 19:25:01,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:25:01,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:25:01,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:25:01,834 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:25:01,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:24:38" (3/4) ... [2020-12-22 19:25:01,837 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 19:25:01,894 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/forester-heap/sll-01-2.i-witness.graphml [2020-12-22 19:25:01,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:25:01,895 INFO L168 Benchmark]: Toolchain (without parser) took 25145.99 ms. Allocated memory was 155.2 MB in the beginning and 449.8 MB in the end (delta: 294.6 MB). Free memory was 129.0 MB in the beginning and 353.1 MB in the end (delta: -224.1 MB). Peak memory consumption was 71.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,895 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 155.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:25:01,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.98 ms. Allocated memory is still 155.2 MB. Free memory was 128.8 MB in the beginning and 104.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.09 ms. Allocated memory is still 155.2 MB. Free memory was 104.3 MB in the beginning and 102.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,897 INFO L168 Benchmark]: Boogie Preprocessor took 134.39 ms. Allocated memory is still 155.2 MB. Free memory was 102.0 MB in the beginning and 136.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,897 INFO L168 Benchmark]: RCFGBuilder took 938.82 ms. Allocated memory is still 155.2 MB. Free memory was 136.1 MB in the beginning and 85.8 MB in the end (delta: 50.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,898 INFO L168 Benchmark]: TraceAbstraction took 23254.61 ms. Allocated memory was 155.2 MB in the beginning and 449.8 MB in the end (delta: 294.6 MB). Free memory was 85.2 MB in the beginning and 356.3 MB in the end (delta: -271.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,898 INFO L168 Benchmark]: Witness Printer took 60.13 ms. Allocated memory is still 449.8 MB. Free memory was 356.3 MB in the beginning and 353.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:25:01,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 155.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 675.98 ms. Allocated memory is still 155.2 MB. Free memory was 128.8 MB in the beginning and 104.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 69.09 ms. Allocated memory is still 155.2 MB. Free memory was 104.3 MB in the beginning and 102.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.39 ms. Allocated memory is still 155.2 MB. Free memory was 102.0 MB in the beginning and 136.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 938.82 ms. Allocated memory is still 155.2 MB. Free memory was 136.1 MB in the beginning and 85.8 MB in the end (delta: 50.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23254.61 ms. Allocated memory was 155.2 MB in the beginning and 449.8 MB in the end (delta: 294.6 MB). Free memory was 85.2 MB in the beginning and 356.3 MB in the end (delta: -271.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Witness Printer took 60.13 ms. Allocated memory is still 449.8 MB. Free memory was 356.3 MB in the beginning and 353.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1040]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1002] SLL* list = malloc(sizeof(SLL)); [L1003] list->next = ((void*)0) [L1004] COND FALSE !(!(list != ((void*)0))) [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1004] list->inner = malloc(sizeof(SLL)) [L1004] EXPR list->inner [L1004] list->inner->next = ((void*)0) [L1004] EXPR list->inner [L1004] list->inner->inner = ((void*)0) [L1004] EXPR list->inner [L1004] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) [L1004] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] SLL* end = list; [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list [L1023] COND FALSE !(!(((void*)0) != end)) [L1025] COND TRUE ((void*)0) != end [L1027] int len = 0; [L1028] EXPR end->inner [L1028] SLL* inner = end->inner; [L1029] COND TRUE ((void*)0) != inner [L1031] COND TRUE len == 0 [L1032] len = 1 [L1035] COND FALSE !(!(((void*)0) != inner)) [L1036] EXPR inner->inner [L1036] COND FALSE !(!(((void*)0) == inner->inner)) [L1037] EXPR inner->next [L1037] COND FALSE !(!(((void*)0) == inner->next)) [L1038] EXPR inner->inner [L1038] inner = inner->inner [L1039] COND TRUE len == 1 [L1040] inner->inner - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 80 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 23.1s, OverallIterations: 37, TraceHistogramMax: 2, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5671 SDtfs, 9924 SDslu, 15725 SDs, 0 SdLazy, 11020 SolverSat, 529 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 451 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 36 MinimizatonAttempts, 3666 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1034 NumberOfCodeBlocks, 1034 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 954 ConstructedInterpolants, 9 QuantifiedInterpolants, 314185 SizeOfPredicates, 13 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 38 InterpolantComputations, 34 PerfectInterpolantSequences, 10/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...