java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:07,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:07,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:07,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:07,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:07,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:07,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:07,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:07,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:07,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:07,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:07,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:07,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:07,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:07,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:07,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:07,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:07,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:07,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:07,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:07,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:07,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:07,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:07,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:07,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:07,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:07,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:07,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:07,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:07,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:07,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:07,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:07,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:07,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:07,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:07,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:07,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:07,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:07,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:07,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:07,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:07,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:30:07,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:07,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:07,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:07,764 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:07,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:07,765 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:07,765 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:07,765 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:07,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:07,766 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:07,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:07,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:07,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:07,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:07,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:07,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:07,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:07,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:07,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:07,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:07,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:07,771 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:07,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:07,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:07,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:07,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:07,773 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:07,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:07,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:07,773 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:07,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:07,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:07,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:07,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:07,848 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:07,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-20 13:30:07,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d685647f/cff0142077914831bd27a77b5fbd9a59/FLAG3ee5d8c35 [2019-09-20 13:30:08,478 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:08,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-20 13:30:08,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d685647f/cff0142077914831bd27a77b5fbd9a59/FLAG3ee5d8c35 [2019-09-20 13:30:08,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d685647f/cff0142077914831bd27a77b5fbd9a59 [2019-09-20 13:30:08,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:08,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:08,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:08,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:08,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:08,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:08" (1/1) ... [2019-09-20 13:30:08,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741914c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:08, skipping insertion in model container [2019-09-20 13:30:08,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:08" (1/1) ... [2019-09-20 13:30:08,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:08,897 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:09,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:09,395 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:09,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:09,548 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:09,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09 WrapperNode [2019-09-20 13:30:09,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:09,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:09,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:09,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:09,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:09,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:09,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:09,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:09,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (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 [2019-09-20 13:30:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:30:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:30:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:30:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:30:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:30:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:30:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:30:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:30:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:30:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:10,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:10,985 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:10,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:10 BoogieIcfgContainer [2019-09-20 13:30:10,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:10,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:10,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:10,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:08" (1/3) ... [2019-09-20 13:30:10,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d721cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:10, skipping insertion in model container [2019-09-20 13:30:10,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09" (2/3) ... [2019-09-20 13:30:10,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d721cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:10, skipping insertion in model container [2019-09-20 13:30:10,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:10" (3/3) ... [2019-09-20 13:30:10,996 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2019-09-20 13:30:11,007 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:11,019 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:11,037 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:11,070 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:11,070 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:11,070 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:11,070 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:11,070 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:11,071 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:11,071 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:11,071 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-09-20 13:30:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:30:11,106 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:11,107 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:11,110 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:11,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:11,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2019-09-20 13:30:11,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:11,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:11,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:11,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:11,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:11,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:11,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:11,535 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:11,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:11,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:11,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:11,561 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-09-20 13:30:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:11,616 INFO L93 Difference]: Finished difference Result 139 states and 163 transitions. [2019-09-20 13:30:11,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:11,620 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:30:11,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:11,643 INFO L225 Difference]: With dead ends: 139 [2019-09-20 13:30:11,653 INFO L226 Difference]: Without dead ends: 128 [2019-09-20 13:30:11,656 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-09-20 13:30:11,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-09-20 13:30:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-20 13:30:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-09-20 13:30:11,758 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2019-09-20 13:30:11,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:11,759 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-09-20 13:30:11,759 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-09-20 13:30:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:30:11,770 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:11,770 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:11,770 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:11,771 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2019-09-20 13:30:11,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:11,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:11,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:11,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:11,776 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:11,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:11,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:11,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:11,943 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:11,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:11,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:11,944 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-09-20 13:30:11,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:11,970 INFO L93 Difference]: Finished difference Result 119 states and 139 transitions. [2019-09-20 13:30:11,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:11,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:30:11,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:11,977 INFO L225 Difference]: With dead ends: 119 [2019-09-20 13:30:11,978 INFO L226 Difference]: Without dead ends: 119 [2019-09-20 13:30:11,979 INFO L636 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 [2019-09-20 13:30:11,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-20 13:30:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-20 13:30:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-20 13:30:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-09-20 13:30:11,996 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2019-09-20 13:30:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:11,997 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-09-20 13:30:11,997 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-09-20 13:30:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:30:11,999 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:11,999 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:12,000 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:12,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:12,000 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2019-09-20 13:30:12,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:12,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:12,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,004 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:12,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:12,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:12,078 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:12,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:12,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:12,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:12,080 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2019-09-20 13:30:12,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:12,094 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2019-09-20 13:30:12,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:12,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-09-20 13:30:12,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:12,097 INFO L225 Difference]: With dead ends: 119 [2019-09-20 13:30:12,097 INFO L226 Difference]: Without dead ends: 119 [2019-09-20 13:30:12,098 INFO L636 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 [2019-09-20 13:30:12,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-20 13:30:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-20 13:30:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-20 13:30:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-09-20 13:30:12,117 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2019-09-20 13:30:12,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:12,118 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-09-20 13:30:12,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-09-20 13:30:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-20 13:30:12,120 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:12,121 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:12,121 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:12,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:12,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2019-09-20 13:30:12,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:12,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:12,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,125 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:12,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:12,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:30:12,229 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:12,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:30:12,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:30:12,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:30:12,230 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2019-09-20 13:30:12,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:12,834 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2019-09-20 13:30:12,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:12,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-20 13:30:12,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:12,838 INFO L225 Difference]: With dead ends: 215 [2019-09-20 13:30:12,838 INFO L226 Difference]: Without dead ends: 215 [2019-09-20 13:30:12,838 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:30:12,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-09-20 13:30:12,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2019-09-20 13:30:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-09-20 13:30:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2019-09-20 13:30:12,859 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2019-09-20 13:30:12,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:12,859 INFO L475 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2019-09-20 13:30:12,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:30:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2019-09-20 13:30:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:30:12,864 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:12,866 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:12,867 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:12,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:12,868 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2019-09-20 13:30:12,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:12,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:12,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,873 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:13,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:13,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:30:13,002 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:13,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:30:13,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:30:13,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:30:13,005 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 6 states. [2019-09-20 13:30:13,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:13,214 INFO L93 Difference]: Finished difference Result 348 states and 401 transitions. [2019-09-20 13:30:13,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:30:13,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-20 13:30:13,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:13,219 INFO L225 Difference]: With dead ends: 348 [2019-09-20 13:30:13,219 INFO L226 Difference]: Without dead ends: 348 [2019-09-20 13:30:13,220 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:30:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-09-20 13:30:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 342. [2019-09-20 13:30:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-09-20 13:30:13,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 394 transitions. [2019-09-20 13:30:13,261 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 394 transitions. Word has length 83 [2019-09-20 13:30:13,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:13,263 INFO L475 AbstractCegarLoop]: Abstraction has 342 states and 394 transitions. [2019-09-20 13:30:13,264 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:30:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 394 transitions. [2019-09-20 13:30:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-20 13:30:13,267 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:13,268 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:13,268 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:13,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1817856655, now seen corresponding path program 1 times [2019-09-20 13:30:13,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:13,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:13,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:13,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:13,273 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:13,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:13,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:13,440 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:13,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:13,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:13,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:13,441 INFO L87 Difference]: Start difference. First operand 342 states and 394 transitions. Second operand 7 states. [2019-09-20 13:30:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,111 INFO L93 Difference]: Finished difference Result 371 states and 439 transitions. [2019-09-20 13:30:14,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:30:14,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-20 13:30:14,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,115 INFO L225 Difference]: With dead ends: 371 [2019-09-20 13:30:14,115 INFO L226 Difference]: Without dead ends: 371 [2019-09-20 13:30:14,116 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:30:14,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-09-20 13:30:14,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 341. [2019-09-20 13:30:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-09-20 13:30:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 391 transitions. [2019-09-20 13:30:14,134 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 391 transitions. Word has length 87 [2019-09-20 13:30:14,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,135 INFO L475 AbstractCegarLoop]: Abstraction has 341 states and 391 transitions. [2019-09-20 13:30:14,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 391 transitions. [2019-09-20 13:30:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:14,136 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,136 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:14,137 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1046149773, now seen corresponding path program 1 times [2019-09-20 13:30:14,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,140 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:14,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:14,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:30:14,221 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:14,222 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:30:14,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:30:14,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:30:14,224 INFO L87 Difference]: Start difference. First operand 341 states and 391 transitions. Second operand 6 states. [2019-09-20 13:30:14,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,259 INFO L93 Difference]: Finished difference Result 351 states and 401 transitions. [2019-09-20 13:30:14,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:30:14,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-20 13:30:14,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,262 INFO L225 Difference]: With dead ends: 351 [2019-09-20 13:30:14,262 INFO L226 Difference]: Without dead ends: 351 [2019-09-20 13:30:14,262 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:14,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-09-20 13:30:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-09-20 13:30:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-09-20 13:30:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2019-09-20 13:30:14,279 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 88 [2019-09-20 13:30:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,279 INFO L475 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2019-09-20 13:30:14,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:30:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2019-09-20 13:30:14,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:14,281 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,281 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:14,282 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1747749647, now seen corresponding path program 1 times [2019-09-20 13:30:14,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,285 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:14,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:14,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:30:14,374 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:14,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:30:14,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:30:14,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:30:14,375 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 8 states. [2019-09-20 13:30:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,415 INFO L93 Difference]: Finished difference Result 365 states and 415 transitions. [2019-09-20 13:30:14,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:30:14,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-09-20 13:30:14,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,418 INFO L225 Difference]: With dead ends: 365 [2019-09-20 13:30:14,418 INFO L226 Difference]: Without dead ends: 365 [2019-09-20 13:30:14,419 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:30:14,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-09-20 13:30:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 359. [2019-09-20 13:30:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-09-20 13:30:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2019-09-20 13:30:14,433 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2019-09-20 13:30:14,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,434 INFO L475 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2019-09-20 13:30:14,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:30:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2019-09-20 13:30:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:14,435 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,435 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:14,436 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,436 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2019-09-20 13:30:14,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,439 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:14,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:14,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:30:14,516 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:14,516 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:30:14,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:30:14,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:14,517 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2019-09-20 13:30:14,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,752 INFO L93 Difference]: Finished difference Result 745 states and 891 transitions. [2019-09-20 13:30:14,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:30:14,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-09-20 13:30:14,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,757 INFO L225 Difference]: With dead ends: 745 [2019-09-20 13:30:14,758 INFO L226 Difference]: Without dead ends: 745 [2019-09-20 13:30:14,758 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:14,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-09-20 13:30:14,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2019-09-20 13:30:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-09-20 13:30:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2019-09-20 13:30:14,781 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2019-09-20 13:30:14,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,781 INFO L475 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2019-09-20 13:30:14,781 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:30:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2019-09-20 13:30:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:30:14,784 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,784 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:14,784 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2019-09-20 13:30:14,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,787 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:14,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:14,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:14,842 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:14,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:14,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:14,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:14,843 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2019-09-20 13:30:14,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,874 INFO L93 Difference]: Finished difference Result 741 states and 852 transitions. [2019-09-20 13:30:14,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:14,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-09-20 13:30:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,880 INFO L225 Difference]: With dead ends: 741 [2019-09-20 13:30:14,880 INFO L226 Difference]: Without dead ends: 741 [2019-09-20 13:30:14,881 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:14,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-09-20 13:30:14,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2019-09-20 13:30:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2019-09-20 13:30:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2019-09-20 13:30:14,904 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2019-09-20 13:30:14,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,905 INFO L475 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2019-09-20 13:30:14,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2019-09-20 13:30:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-20 13:30:14,909 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,909 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:14,909 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2019-09-20 13:30:14,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,913 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:30:15,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:15,076 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:15,077 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2019-09-20 13:30:15,079 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [108], [110], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [153], [156], [158], [161], [176], [178], [181], [183], [186], [189], [192], [200], [210], [211], [212], [213], [214], [216], [221], [223], [224], [227], [228], [231], [234], [238], [244], [273], [277], [278], [281], [283], [286], [293], [296], [299], [303], [304], [307], [308], [309], [333], [335], [336], [403], [404], [409], [411], [414], [422], [423], [424], [425], [426], [427], [428], [429], [430], [462], [463], [466], [467], [468], [469], [470], [471], [472], [473], [474], [475], [478], [479], [480], [481], [482], [484], [485], [486], [487], [488], [489], [490], [491], [496], [497], [498], [499], [502], [503], [506], [507], [508], [510], [511], [516], [517], [518] [2019-09-20 13:30:15,123 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:15,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:15,204 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:15,206 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-09-20 13:30:15,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:15,211 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:15,277 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:15,277 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:15,282 INFO L420 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2019-09-20 13:30:15,282 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:15,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:15,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-20 13:30:15,283 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:15,284 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:15,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:15,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:15,285 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 2 states. [2019-09-20 13:30:15,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:15,285 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:15,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:15,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 150 [2019-09-20 13:30:15,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:15,286 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:15,286 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:15,286 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:15,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:15,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:15,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-09-20 13:30:15,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:15,288 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:15,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:15,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:15,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:15 BoogieIcfgContainer [2019-09-20 13:30:15,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:15,296 INFO L168 Benchmark]: Toolchain (without parser) took 6482.31 ms. Allocated memory was 132.1 MB in the beginning and 326.6 MB in the end (delta: 194.5 MB). Free memory was 86.5 MB in the beginning and 175.6 MB in the end (delta: -89.1 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:15,297 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:15,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.47 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 164.5 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:15,299 INFO L168 Benchmark]: Boogie Preprocessor took 116.53 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:15,300 INFO L168 Benchmark]: RCFGBuilder took 1320.70 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 160.0 MB in the beginning and 191.6 MB in the end (delta: -31.6 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:15,301 INFO L168 Benchmark]: TraceAbstraction took 4305.47 ms. Allocated memory was 222.3 MB in the beginning and 326.6 MB in the end (delta: 104.3 MB). Free memory was 191.6 MB in the beginning and 175.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:15,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.47 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 164.5 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.53 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1320.70 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 160.0 MB in the beginning and 191.6 MB in the end (delta: -31.6 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4305.47 ms. Allocated memory was 222.3 MB in the beginning and 326.6 MB in the end (delta: 104.3 MB). Free memory was 191.6 MB in the beginning and 175.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1517 SDtfs, 852 SDslu, 2634 SDs, 0 SdLazy, 856 SolverSat, 217 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.8322147651006712 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 444 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 904 NumberOfCodeBlocks, 904 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 893 ConstructedInterpolants, 0 QuantifiedInterpolants, 129709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 39/41 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...