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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:48,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:48,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:48,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:48,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:48,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:48,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:48,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:48,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:48,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:48,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:48,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:48,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:48,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:48,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:48,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:48,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:48,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:48,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:48,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:48,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:48,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:48,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:48,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:48,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:48,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:48,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:48,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:48,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:48,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:48,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:48,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:48,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:48,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:48,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:48,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:48,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:48,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:48,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:48,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:48,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:48,726 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 13:29:48,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:48,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:48,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:48,742 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:48,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:48,744 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:48,744 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:48,744 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:48,744 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:48,744 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:48,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:48,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:48,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:48,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:48,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:48,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:48,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:48,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:48,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:48,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:48,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:48,749 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:48,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:48,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:48,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:48,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:48,750 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:48,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:48,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:48,751 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:48,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:48,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:48,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:48,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:48,826 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:48,826 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-09-20 13:29:48,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3092700c8/beba734368534f1f863266ee03a7b8db/FLAG2150c483c [2019-09-20 13:29:49,476 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:49,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-09-20 13:29:49,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3092700c8/beba734368534f1f863266ee03a7b8db/FLAG2150c483c [2019-09-20 13:29:49,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3092700c8/beba734368534f1f863266ee03a7b8db [2019-09-20 13:29:49,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:49,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:49,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:49,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:49,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:49,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:49" (1/1) ... [2019-09-20 13:29:49,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:49, skipping insertion in model container [2019-09-20 13:29:49,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:49" (1/1) ... [2019-09-20 13:29:49,791 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:49,847 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:50,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:50,306 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:50,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:50,456 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:50,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50 WrapperNode [2019-09-20 13:29:50,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:50,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:50,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:50,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:50,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (1/1) ... [2019-09-20 13:29:50,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:50,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:50,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:50,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:50,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (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 13:29:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:29:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:29:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:29:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:29:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:29:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:29:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:29:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:29:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:29:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:29:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:29:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:29:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:29:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:29:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:29:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:29:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:29:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:29:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:29:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:29:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:29:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:29:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:29:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:29:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:51,697 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:51,698 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:29:51,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:51 BoogieIcfgContainer [2019-09-20 13:29:51,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:51,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:51,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:51,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:51,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:49" (1/3) ... [2019-09-20 13:29:51,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718f6023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:51, skipping insertion in model container [2019-09-20 13:29:51,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:50" (2/3) ... [2019-09-20 13:29:51,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718f6023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:51, skipping insertion in model container [2019-09-20 13:29:51,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:51" (3/3) ... [2019-09-20 13:29:51,709 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2019-09-20 13:29:51,719 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:51,732 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:51,750 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:51,809 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:51,809 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:51,809 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:51,809 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:51,810 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:51,810 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:51,811 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:51,811 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2019-09-20 13:29:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:29:51,844 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:51,845 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 13:29:51,848 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:51,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:51,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1206360335, now seen corresponding path program 1 times [2019-09-20 13:29:51,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:51,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:51,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:51,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:51,914 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:52,230 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 13:29:52,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:52,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:52,235 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:52,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:52,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:52,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:52,259 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2019-09-20 13:29:52,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:52,287 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2019-09-20 13:29:52,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:52,288 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:29:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:52,300 INFO L225 Difference]: With dead ends: 97 [2019-09-20 13:29:52,300 INFO L226 Difference]: Without dead ends: 86 [2019-09-20 13:29:52,302 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 13:29:52,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-09-20 13:29:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-09-20 13:29:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-09-20 13:29:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2019-09-20 13:29:52,351 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2019-09-20 13:29:52,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:52,352 INFO L475 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2019-09-20 13:29:52,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2019-09-20 13:29:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:29:52,355 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:52,356 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 13:29:52,356 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:52,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:52,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1457835642, now seen corresponding path program 1 times [2019-09-20 13:29:52,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:52,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:52,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:52,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:52,360 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:52,510 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 13:29:52,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:52,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:52,511 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:52,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:52,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:52,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:52,515 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 3 states. [2019-09-20 13:29:52,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:52,541 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2019-09-20 13:29:52,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:52,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:29:52,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:52,547 INFO L225 Difference]: With dead ends: 77 [2019-09-20 13:29:52,547 INFO L226 Difference]: Without dead ends: 77 [2019-09-20 13:29:52,548 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 13:29:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-09-20 13:29:52,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-09-20 13:29:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-09-20 13:29:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2019-09-20 13:29:52,572 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2019-09-20 13:29:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:52,573 INFO L475 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2019-09-20 13:29:52,573 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2019-09-20 13:29:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:29:52,582 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:52,582 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 13:29:52,582 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:52,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:52,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1158960605, now seen corresponding path program 1 times [2019-09-20 13:29:52,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:52,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:52,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:52,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:52,589 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:52,809 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 13:29:52,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:52,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:29:52,810 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:52,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:29:52,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:29:52,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:29:52,811 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 7 states. [2019-09-20 13:29:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:53,131 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2019-09-20 13:29:53,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:29:53,131 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-20 13:29:53,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:53,133 INFO L225 Difference]: With dead ends: 77 [2019-09-20 13:29:53,133 INFO L226 Difference]: Without dead ends: 77 [2019-09-20 13:29:53,134 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 [2019-09-20 13:29:53,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-09-20 13:29:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-09-20 13:29:53,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-09-20 13:29:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2019-09-20 13:29:53,141 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2019-09-20 13:29:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:53,142 INFO L475 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2019-09-20 13:29:53,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:29:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2019-09-20 13:29:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:29:53,143 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:53,144 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] [2019-09-20 13:29:53,144 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:53,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:53,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1004673798, now seen corresponding path program 1 times [2019-09-20 13:29:53,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:53,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:53,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:53,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:53,148 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:53,257 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 13:29:53,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:53,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:53,258 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:53,258 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:53,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:53,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:53,259 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 6 states. [2019-09-20 13:29:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:53,443 INFO L93 Difference]: Finished difference Result 118 states and 136 transitions. [2019-09-20 13:29:53,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:53,445 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-09-20 13:29:53,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:53,453 INFO L225 Difference]: With dead ends: 118 [2019-09-20 13:29:53,454 INFO L226 Difference]: Without dead ends: 118 [2019-09-20 13:29:53,454 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 13:29:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-09-20 13:29:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-09-20 13:29:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-20 13:29:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2019-09-20 13:29:53,480 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2019-09-20 13:29:53,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:53,481 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2019-09-20 13:29:53,484 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2019-09-20 13:29:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-20 13:29:53,506 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:53,508 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] [2019-09-20 13:29:53,509 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:53,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:53,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1182748770, now seen corresponding path program 1 times [2019-09-20 13:29:53,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:53,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:53,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:53,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:53,517 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:53,648 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 13:29:53,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:53,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:53,648 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:53,649 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:53,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:53,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:53,650 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 6 states. [2019-09-20 13:29:53,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:53,797 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-09-20 13:29:53,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:29:53,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-20 13:29:53,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:53,799 INFO L225 Difference]: With dead ends: 106 [2019-09-20 13:29:53,799 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:53,800 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 13:29:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:53,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-09-20 13:29:53,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:53,801 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:53,801 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:53,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:53,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:53 BoogieIcfgContainer [2019-09-20 13:29:53,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:53,810 INFO L168 Benchmark]: Toolchain (without parser) took 4033.46 ms. Allocated memory was 132.1 MB in the beginning and 267.4 MB in the end (delta: 135.3 MB). Free memory was 87.2 MB in the beginning and 194.0 MB in the end (delta: -106.8 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:53,811 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:53,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.23 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 164.0 MB in the end (delta: -77.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:53,813 INFO L168 Benchmark]: Boogie Preprocessor took 82.19 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 160.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:53,814 INFO L168 Benchmark]: RCFGBuilder took 1159.88 ms. Allocated memory is still 198.7 MB. Free memory was 160.1 MB in the beginning and 78.9 MB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:53,815 INFO L168 Benchmark]: TraceAbstraction took 2105.95 ms. Allocated memory was 198.7 MB in the beginning and 267.4 MB in the end (delta: 68.7 MB). Free memory was 78.3 MB in the beginning and 194.0 MB in the end (delta: -115.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:29:53,827 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 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.23 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 164.0 MB in the end (delta: -77.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.19 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 160.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1159.88 ms. Allocated memory is still 198.7 MB. Free memory was 160.1 MB in the beginning and 78.9 MB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2105.95 ms. Allocated memory was 198.7 MB in the beginning and 267.4 MB in the end (delta: 68.7 MB). Free memory was 78.3 MB in the beginning and 194.0 MB in the end (delta: -115.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: 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 35 procedures, 199 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 447 SDtfs, 215 SDslu, 739 SDs, 0 SdLazy, 171 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 27804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...