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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:56,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:56,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:56,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:56,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:56,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:56,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:56,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:56,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:56,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:56,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:56,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:56,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:56,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:56,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:56,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:56,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:56,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:56,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:56,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:56,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:56,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:56,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:56,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:56,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:56,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:56,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:56,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:56,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:56,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:56,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:56,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:56,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:56,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:56,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:56,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:56,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:56,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:56,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:56,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:56,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:56,745 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 [2019-09-16 17:07:56,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:56,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:56,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:56,775 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:56,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:56,776 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:56,776 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:56,776 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:56,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:56,777 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:56,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:56,779 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:56,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:56,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:56,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:56,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:56,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:56,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:56,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:56,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:56,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:56,782 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:56,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:56,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:56,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:56,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:56,783 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:56,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:56,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:56,784 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:56,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:56,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:56,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:56,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:56,866 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:56,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-16 17:07:56,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c50f93b/bc0b1a869a9b4b67a600cdf747f51cc6/FLAGa7daa1201 [2019-09-16 17:07:57,477 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:57,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-16 17:07:57,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c50f93b/bc0b1a869a9b4b67a600cdf747f51cc6/FLAGa7daa1201 [2019-09-16 17:07:57,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c50f93b/bc0b1a869a9b4b67a600cdf747f51cc6 [2019-09-16 17:07:57,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:57,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:57,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:57,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:57,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:57,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fad862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:57, skipping insertion in model container [2019-09-16 17:07:57,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:57" (1/1) ... [2019-09-16 17:07:57,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:57,896 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:58,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:58,345 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:58,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:58,489 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:58,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58 WrapperNode [2019-09-16 17:07:58,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:58,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:58,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:58,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:58,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (1/1) ... [2019-09-16 17:07:58,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:58,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:58,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:58,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:58,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (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 [2019-09-16 17:07:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:07:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:07:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:07:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:07:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:07:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:07:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:07:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:07:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:07:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:07:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 17:07:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:07:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 17:07:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:07:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:07:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:07:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:07:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:07:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:07:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:07:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:07:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:07:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:07:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:07:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 17:07:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 17:07:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:07:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:07:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:07:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:07:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:07:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:07:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:07:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:07:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:07:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:07:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:07:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:07:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:07:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:07:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:07:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:07:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:07:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 17:07:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 17:07:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:07:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 17:07:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 17:07:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 17:07:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 17:07:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:07:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:07:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:07:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:07:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:07:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:07:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:59,762 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:59,762 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:07:59,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:59 BoogieIcfgContainer [2019-09-16 17:07:59,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:59,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:59,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:59,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:59,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:57" (1/3) ... [2019-09-16 17:07:59,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f15bbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:59, skipping insertion in model container [2019-09-16 17:07:59,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:58" (2/3) ... [2019-09-16 17:07:59,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f15bbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:59, skipping insertion in model container [2019-09-16 17:07:59,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:59" (3/3) ... [2019-09-16 17:07:59,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-09-16 17:07:59,788 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:59,799 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:07:59,817 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:07:59,848 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:59,848 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:59,848 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:59,848 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:59,848 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:59,849 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:59,850 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:59,850 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-09-16 17:07:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 17:07:59,888 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:59,889 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] [2019-09-16 17:07:59,891 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:59,897 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-09-16 17:07:59,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:59,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:59,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:59,962 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:00,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:00,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:08:00,306 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:00,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:08:00,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:08:00,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:00,331 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-09-16 17:08:00,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:00,376 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2019-09-16 17:08:00,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:08:00,378 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 17:08:00,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:00,392 INFO L225 Difference]: With dead ends: 151 [2019-09-16 17:08:00,392 INFO L226 Difference]: Without dead ends: 140 [2019-09-16 17:08:00,394 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 [2019-09-16 17:08:00,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-16 17:08:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-16 17:08:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-16 17:08:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-09-16 17:08:00,466 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-09-16 17:08:00,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:00,466 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-09-16 17:08:00,466 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:08:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-09-16 17:08:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 17:08:00,470 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:00,470 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] [2019-09-16 17:08:00,471 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:00,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:00,471 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-09-16 17:08:00,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:00,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:00,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:00,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:00,474 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:00,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:00,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:08:00,668 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:00,669 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:08:00,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:08:00,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:08:00,670 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-09-16 17:08:00,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:00,687 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2019-09-16 17:08:00,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:08:00,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 17:08:00,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:00,690 INFO L225 Difference]: With dead ends: 131 [2019-09-16 17:08:00,690 INFO L226 Difference]: Without dead ends: 131 [2019-09-16 17:08:00,691 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 [2019-09-16 17:08:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-16 17:08:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-16 17:08:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-16 17:08:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-09-16 17:08:00,705 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-09-16 17:08:00,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:00,705 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-09-16 17:08:00,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:08:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-09-16 17:08:00,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 17:08:00,708 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:00,708 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] [2019-09-16 17:08:00,708 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:00,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:00,709 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-09-16 17:08:00,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:00,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:00,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:00,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:00,712 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:00,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:00,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:08:00,888 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:00,889 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:08:00,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:08:00,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:00,890 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-09-16 17:08:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:01,242 INFO L93 Difference]: Finished difference Result 131 states and 151 transitions. [2019-09-16 17:08:01,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:01,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-16 17:08:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:01,245 INFO L225 Difference]: With dead ends: 131 [2019-09-16 17:08:01,247 INFO L226 Difference]: Without dead ends: 131 [2019-09-16 17:08:01,247 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:08:01,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-16 17:08:01,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-16 17:08:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-16 17:08:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-09-16 17:08:01,269 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-09-16 17:08:01,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:01,270 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-09-16 17:08:01,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:08:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-09-16 17:08:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 17:08:01,276 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:01,278 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] [2019-09-16 17:08:01,279 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:01,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:01,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-09-16 17:08:01,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:01,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:01,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:01,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:01,283 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:01,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:01,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:08:01,458 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:01,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:08:01,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:08:01,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:08:01,459 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-09-16 17:08:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:01,998 INFO L93 Difference]: Finished difference Result 227 states and 262 transitions. [2019-09-16 17:08:01,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:08:01,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-16 17:08:01,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:02,002 INFO L225 Difference]: With dead ends: 227 [2019-09-16 17:08:02,002 INFO L226 Difference]: Without dead ends: 227 [2019-09-16 17:08:02,002 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 [2019-09-16 17:08:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-09-16 17:08:02,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-09-16 17:08:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-09-16 17:08:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-09-16 17:08:02,037 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-09-16 17:08:02,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:02,039 INFO L475 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-09-16 17:08:02,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:08:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-09-16 17:08:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-16 17:08:02,044 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:02,044 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] [2019-09-16 17:08:02,045 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:02,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:02,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-09-16 17:08:02,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:02,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:02,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,052 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:02,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:02,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:02,205 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:02,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:02,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:02,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:02,206 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-09-16 17:08:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:02,419 INFO L93 Difference]: Finished difference Result 379 states and 433 transitions. [2019-09-16 17:08:02,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:08:02,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-09-16 17:08:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:02,424 INFO L225 Difference]: With dead ends: 379 [2019-09-16 17:08:02,425 INFO L226 Difference]: Without dead ends: 379 [2019-09-16 17:08:02,425 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 [2019-09-16 17:08:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-09-16 17:08:02,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-09-16 17:08:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-16 17:08:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-09-16 17:08:02,449 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-09-16 17:08:02,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:02,449 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-09-16 17:08:02,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-09-16 17:08:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-16 17:08:02,452 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:02,452 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] [2019-09-16 17:08:02,452 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:02,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:02,453 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-09-16 17:08:02,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:02,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:02,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:02,456 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:02,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:02,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:08:02,582 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:02,584 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:08:02,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:08:02,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:02,585 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-09-16 17:08:03,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:03,207 INFO L93 Difference]: Finished difference Result 403 states and 473 transitions. [2019-09-16 17:08:03,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 17:08:03,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-09-16 17:08:03,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:03,211 INFO L225 Difference]: With dead ends: 403 [2019-09-16 17:08:03,211 INFO L226 Difference]: Without dead ends: 403 [2019-09-16 17:08:03,212 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 17:08:03,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-16 17:08:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-09-16 17:08:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-16 17:08:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-09-16 17:08:03,232 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-09-16 17:08:03,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:03,232 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-09-16 17:08:03,232 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:08:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-09-16 17:08:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-16 17:08:03,235 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:03,235 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-09-16 17:08:03,235 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:03,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:03,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-09-16 17:08:03,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:03,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:03,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,239 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:08:03,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:03,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:03,383 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:03,384 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:03,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:03,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:03,384 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-09-16 17:08:03,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:03,412 INFO L93 Difference]: Finished difference Result 387 states and 439 transitions. [2019-09-16 17:08:03,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:03,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-09-16 17:08:03,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:03,415 INFO L225 Difference]: With dead ends: 387 [2019-09-16 17:08:03,415 INFO L226 Difference]: Without dead ends: 387 [2019-09-16 17:08:03,415 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 [2019-09-16 17:08:03,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-16 17:08:03,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-09-16 17:08:03,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-16 17:08:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-09-16 17:08:03,431 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-09-16 17:08:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:03,431 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-09-16 17:08:03,431 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-09-16 17:08:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-16 17:08:03,433 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:03,433 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-09-16 17:08:03,434 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-09-16 17:08:03,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:03,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:03,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,437 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:08:03,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:03,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:08:03,516 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:03,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:08:03,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:08:03,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:08:03,518 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-09-16 17:08:03,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:03,553 INFO L93 Difference]: Finished difference Result 397 states and 449 transitions. [2019-09-16 17:08:03,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:08:03,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-09-16 17:08:03,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:03,557 INFO L225 Difference]: With dead ends: 397 [2019-09-16 17:08:03,557 INFO L226 Difference]: Without dead ends: 397 [2019-09-16 17:08:03,557 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 [2019-09-16 17:08:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-09-16 17:08:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-09-16 17:08:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-09-16 17:08:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-09-16 17:08:03,574 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-09-16 17:08:03,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:03,575 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-09-16 17:08:03,575 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:08:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-09-16 17:08:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-16 17:08:03,577 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:03,577 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-09-16 17:08:03,577 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:03,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:03,578 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-09-16 17:08:03,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:03,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:03,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 17:08:03,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:03,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:08:03,660 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:03,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:08:03,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:08:03,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:08:03,662 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-09-16 17:08:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:03,881 INFO L93 Difference]: Finished difference Result 786 states and 933 transitions. [2019-09-16 17:08:03,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:08:03,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-09-16 17:08:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:03,886 INFO L225 Difference]: With dead ends: 786 [2019-09-16 17:08:03,887 INFO L226 Difference]: Without dead ends: 786 [2019-09-16 17:08:03,887 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 [2019-09-16 17:08:03,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-09-16 17:08:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-09-16 17:08:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-16 17:08:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-09-16 17:08:03,921 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-09-16 17:08:03,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:03,921 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-09-16 17:08:03,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:08:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-09-16 17:08:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-16 17:08:03,924 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:03,924 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:03,924 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:03,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:03,925 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-09-16 17:08:03,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:03,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:03,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:03,928 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 17:08:04,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:08:04,083 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:08:04,084 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2019-09-16 17:08:04,087 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [94], [110], [114], [115], [116], [131], [134], [136], [145], [149], [153], [156], [161], [164], [169], [172], [187], [188], [200], [202], [207], [210], [211], [213], [218], [220], [221], [224], [225], [231], [235], [275], [278], [280], [283], [293], [296], [300], [301], [304], [305], [306], [329], [331], [332], [399], [400], [407], [409], [410], [414], [416], [419], [421], [424], [437], [438], [439], [440], [441], [442], [443], [444], [445], [485], [486], [487], [488], [489], [490], [491], [495], [496], [497], [498], [499], [500], [503], [504], [505], [511], [512], [513], [514], [521], [523], [524], [529], [530], [531], [533], [534], [535], [536], [537] [2019-09-16 17:08:04,136 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:08:04,136 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:08:04,236 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:08:04,238 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-16 17:08:04,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:04,243 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:08:04,299 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:08:04,299 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:08:04,302 INFO L420 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2019-09-16 17:08:04,303 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:08:04,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:08:04,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-16 17:08:04,304 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:04,304 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:08:04,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:08:04,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:04,305 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 2 states. [2019-09-16 17:08:04,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:04,306 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:08:04,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:08:04,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 102 [2019-09-16 17:08:04,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:04,307 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:08:04,307 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:08:04,307 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:08:04,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:08:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:08:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:08:04,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2019-09-16 17:08:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:04,308 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:08:04,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:08:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:08:04,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:08:04,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:08:04 BoogieIcfgContainer [2019-09-16 17:08:04,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:08:04,317 INFO L168 Benchmark]: Toolchain (without parser) took 6493.87 ms. Allocated memory was 132.1 MB in the beginning and 348.7 MB in the end (delta: 216.5 MB). Free memory was 85.7 MB in the beginning and 144.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 158.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:04,318 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:08:04,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.08 ms. Allocated memory was 132.1 MB in the beginning and 211.8 MB in the end (delta: 79.7 MB). Free memory was 85.4 MB in the beginning and 185.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:04,320 INFO L168 Benchmark]: Boogie Preprocessor took 113.74 ms. Allocated memory is still 211.8 MB. Free memory was 185.3 MB in the beginning and 181.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:04,321 INFO L168 Benchmark]: RCFGBuilder took 1158.87 ms. Allocated memory is still 211.8 MB. Free memory was 181.4 MB in the beginning and 93.7 MB in the end (delta: 87.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:04,322 INFO L168 Benchmark]: TraceAbstraction took 4548.88 ms. Allocated memory was 211.8 MB in the beginning and 348.7 MB in the end (delta: 136.8 MB). Free memory was 93.0 MB in the beginning and 144.1 MB in the end (delta: -51.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:04,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.08 ms. Allocated memory was 132.1 MB in the beginning and 211.8 MB in the end (delta: 79.7 MB). Free memory was 85.4 MB in the beginning and 185.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.74 ms. Allocated memory is still 211.8 MB. Free memory was 185.3 MB in the beginning and 181.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.87 ms. Allocated memory is still 211.8 MB. Free memory was 181.4 MB in the beginning and 93.7 MB in the end (delta: 87.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4548.88 ms. Allocated memory was 211.8 MB in the beginning and 348.7 MB in the end (delta: 136.8 MB). Free memory was 93.0 MB in the beginning and 144.1 MB in the end (delta: -51.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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 41 procedures, 242 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1481 SDtfs, 815 SDslu, 3092 SDs, 0 SdLazy, 1060 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=771occurred in iteration=9, 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, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 764 NumberOfCodeBlocks, 764 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 754 ConstructedInterpolants, 0 QuantifiedInterpolants, 100151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...