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_spec5_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:09:23,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:09:23,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:09:23,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:09:23,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:09:23,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:09:23,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:09:23,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:09:23,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:09:23,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:09:23,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:09:23,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:09:23,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:09:23,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:09:23,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:09:23,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:09:23,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:09:23,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:09:23,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:09:23,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:09:23,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:09:23,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:09:23,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:09:23,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:09:23,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:09:23,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:09:23,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:09:23,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:09:23,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:09:23,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:09:23,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:09:23,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:09:23,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:09:23,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:09:23,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:09:23,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:09:23,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:09:23,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:09:23,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:09:23,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:09:23,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:09:23,784 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 17:09:23,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:09:23,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:09:23,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:09:23,801 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:09:23,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:09:23,802 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:09:23,802 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:09:23,802 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:09:23,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:09:23,803 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:09:23,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:09:23,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:09:23,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:09:23,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:09:23,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:09:23,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:09:23,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:09:23,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:09:23,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:09:23,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:09:23,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:09:23,808 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:09:23,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:09:23,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:09:23,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:09:23,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:09:23,809 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:09:23,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:09:23,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:09:23,810 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:09:23,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:09:23,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:09:23,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:09:23,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:09:23,862 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:09:23,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-09-16 17:09:23,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1acbc011b/e707cc7645d94d21954820971dd33107/FLAG0fe5124c1 [2019-09-16 17:09:24,522 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:09:24,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-09-16 17:09:24,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1acbc011b/e707cc7645d94d21954820971dd33107/FLAG0fe5124c1 [2019-09-16 17:09:24,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1acbc011b/e707cc7645d94d21954820971dd33107 [2019-09-16 17:09:24,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:09:24,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:09:24,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:09:24,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:09:24,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:09:24,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:09:24" (1/1) ... [2019-09-16 17:09:24,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:24, skipping insertion in model container [2019-09-16 17:09:24,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:09:24" (1/1) ... [2019-09-16 17:09:24,823 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:09:24,865 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:09:25,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:09:25,362 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:09:25,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:09:25,475 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:09:25,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25 WrapperNode [2019-09-16 17:09:25,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:09:25,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:09:25,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:09:25,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:09:25,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (1/1) ... [2019-09-16 17:09:25,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:09:25,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:09:25,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:09:25,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:09:25,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (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 17:09:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:09:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:09:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:09:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:09:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 17:09:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 17:09:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:09:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:09:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:09:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:09:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:09:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:09:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:09:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:09:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:09:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:09:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 17:09:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 17:09:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 17:09:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:09:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:09:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:09:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:09:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:09:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:09:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:09:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:09:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:09:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:09:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:09:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:09:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:09:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:09:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 17:09:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:09:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:09:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:09:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:09:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:09:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:09:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:09:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:09:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:09:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:09:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:09:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:09:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:09:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:09:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:09:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:09:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:09:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:09:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:09:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:09:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:09:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:09:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:09:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:09:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:09:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:09:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:09:26,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:09:26,673 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:09:26,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:09:26 BoogieIcfgContainer [2019-09-16 17:09:26,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:09:26,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:09:26,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:09:26,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:09:26,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:09:24" (1/3) ... [2019-09-16 17:09:26,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499d489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:09:26, skipping insertion in model container [2019-09-16 17:09:26,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:25" (2/3) ... [2019-09-16 17:09:26,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499d489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:09:26, skipping insertion in model container [2019-09-16 17:09:26,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:09:26" (3/3) ... [2019-09-16 17:09:26,685 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2019-09-16 17:09:26,697 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:09:26,724 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:09:26,742 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:09:26,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:09:26,770 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:09:26,771 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:09:26,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:09:26,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:09:26,771 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:09:26,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:09:26,772 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:09:26,793 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2019-09-16 17:09:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 17:09:26,808 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:26,809 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] [2019-09-16 17:09:26,812 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:26,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:26,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1730166984, now seen corresponding path program 1 times [2019-09-16 17:09:26,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:26,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:26,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:26,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:26,881 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:27,246 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 17:09:27,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:27,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:09:27,249 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:27,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:09:27,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:09:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:09:27,271 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2019-09-16 17:09:27,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:27,297 INFO L93 Difference]: Finished difference Result 133 states and 154 transitions. [2019-09-16 17:09:27,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:09:27,299 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-16 17:09:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:27,313 INFO L225 Difference]: With dead ends: 133 [2019-09-16 17:09:27,314 INFO L226 Difference]: Without dead ends: 122 [2019-09-16 17:09:27,318 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 17:09:27,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-09-16 17:09:27,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-09-16 17:09:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-09-16 17:09:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2019-09-16 17:09:27,403 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 59 [2019-09-16 17:09:27,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:27,404 INFO L475 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2019-09-16 17:09:27,404 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:09:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2019-09-16 17:09:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-16 17:09:27,409 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:27,409 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] [2019-09-16 17:09:27,409 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:27,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:27,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1195387073, now seen corresponding path program 1 times [2019-09-16 17:09:27,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:27,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:27,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:27,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:27,413 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:27,517 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 17:09:27,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:27,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:09:27,518 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:27,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:09:27,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:09:27,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:09:27,521 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand 3 states. [2019-09-16 17:09:27,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:27,536 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2019-09-16 17:09:27,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:09:27,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-16 17:09:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:27,539 INFO L225 Difference]: With dead ends: 113 [2019-09-16 17:09:27,539 INFO L226 Difference]: Without dead ends: 113 [2019-09-16 17:09:27,540 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 17:09:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-09-16 17:09:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-09-16 17:09:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-09-16 17:09:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-09-16 17:09:27,552 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 60 [2019-09-16 17:09:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:27,552 INFO L475 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-09-16 17:09:27,552 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:09:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-09-16 17:09:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-16 17:09:27,555 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:27,555 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] [2019-09-16 17:09:27,556 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:27,556 INFO L82 PathProgramCache]: Analyzing trace with hash -754484092, now seen corresponding path program 1 times [2019-09-16 17:09:27,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:27,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:27,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:27,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:27,559 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:27,704 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 17:09:27,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:27,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:09:27,705 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:27,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:09:27,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:09:27,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:09:27,706 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2019-09-16 17:09:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:28,183 INFO L93 Difference]: Finished difference Result 254 states and 304 transitions. [2019-09-16 17:09:28,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:09:28,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-09-16 17:09:28,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:28,188 INFO L225 Difference]: With dead ends: 254 [2019-09-16 17:09:28,189 INFO L226 Difference]: Without dead ends: 254 [2019-09-16 17:09:28,189 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 17:09:28,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-09-16 17:09:28,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 242. [2019-09-16 17:09:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-09-16 17:09:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 292 transitions. [2019-09-16 17:09:28,230 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 292 transitions. Word has length 65 [2019-09-16 17:09:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:28,231 INFO L475 AbstractCegarLoop]: Abstraction has 242 states and 292 transitions. [2019-09-16 17:09:28,231 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:09:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 292 transitions. [2019-09-16 17:09:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-16 17:09:28,238 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:28,239 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] [2019-09-16 17:09:28,239 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:28,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:28,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1343966775, now seen corresponding path program 1 times [2019-09-16 17:09:28,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:28,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:28,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:28,246 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 17:09:28,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:28,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:09:28,413 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:28,414 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:09:28,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:09:28,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:09:28,415 INFO L87 Difference]: Start difference. First operand 242 states and 292 transitions. Second operand 7 states. [2019-09-16 17:09:28,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:28,826 INFO L93 Difference]: Finished difference Result 192 states and 220 transitions. [2019-09-16 17:09:28,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:09:28,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-09-16 17:09:28,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:28,828 INFO L225 Difference]: With dead ends: 192 [2019-09-16 17:09:28,828 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:09:28,829 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-16 17:09:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:09:28,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:09:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:09:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:09:28,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-09-16 17:09:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:28,830 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:09:28,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:09:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:09:28,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:09:28,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:09:28 BoogieIcfgContainer [2019-09-16 17:09:28,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:09:28,839 INFO L168 Benchmark]: Toolchain (without parser) took 4033.54 ms. Allocated memory was 131.6 MB in the beginning and 265.3 MB in the end (delta: 133.7 MB). Free memory was 86.0 MB in the beginning and 169.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 50.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:28,840 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:09:28,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.77 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 163.4 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:28,842 INFO L168 Benchmark]: Boogie Preprocessor took 91.87 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 159.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:28,843 INFO L168 Benchmark]: RCFGBuilder took 1106.58 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 75.9 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:28,844 INFO L168 Benchmark]: TraceAbstraction took 2158.95 ms. Allocated memory was 198.7 MB in the beginning and 265.3 MB in the end (delta: 66.6 MB). Free memory was 75.9 MB in the beginning and 169.4 MB in the end (delta: -93.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:09:28,848 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.77 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 163.4 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.87 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 159.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1106.58 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 75.9 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2158.95 ms. Allocated memory was 198.7 MB in the beginning and 265.3 MB in the end (delta: 66.6 MB). Free memory was 75.9 MB in the beginning and 169.4 MB in the end (delta: -93.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 840]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 533 SDtfs, 304 SDslu, 809 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...