/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:02:07,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:02:07,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:02:07,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:02:07,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:02:07,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:02:07,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:02:07,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:02:07,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:02:07,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:02:07,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:02:07,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:02:07,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:02:07,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:02:07,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:02:07,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:02:07,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:02:07,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:02:07,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:02:07,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:02:07,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:02:07,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:02:07,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:02:07,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:02:07,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:02:07,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:02:07,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:02:07,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:02:07,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:02:07,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:02:07,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:02:07,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:02:07,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:02:07,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:02:07,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:02:07,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:02:07,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:02:07,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:02:07,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:02:07,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:02:07,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:02:07,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:02:07,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:02:07,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:02:07,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:02:07,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:02:07,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:02:07,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:02:07,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:02:07,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:02:07,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:02:07,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:02:07,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:02:07,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:02:07,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:02:07,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:02:07,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:02:07,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:02:07,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:02:07,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:02:07,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:02:07,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:02:07,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:02:07,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:07,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:02:07,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:02:07,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:02:07,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:02:07,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:02:07,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:02:07,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:02:08,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:02:08,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:02:08,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:02:08,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:02:08,212 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:02:08,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-11-07 01:02:08,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16d6f1b4/0f4313f7a593427b97b8358d07b40e03/FLAGb6fbe73f9 [2019-11-07 01:02:08,862 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:02:08,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-11-07 01:02:08,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16d6f1b4/0f4313f7a593427b97b8358d07b40e03/FLAGb6fbe73f9 [2019-11-07 01:02:09,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16d6f1b4/0f4313f7a593427b97b8358d07b40e03 [2019-11-07 01:02:09,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:02:09,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:02:09,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:09,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:02:09,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:02:09,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74126693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09, skipping insertion in model container [2019-11-07 01:02:09,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:02:09,244 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:02:09,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:09,748 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:02:09,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:09,891 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:02:09,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09 WrapperNode [2019-11-07 01:02:09,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:09,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:02:09,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:02:09,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:02:09,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... [2019-11-07 01:02:09,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:02:09,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:02:09,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:02:09,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:02:09,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:02:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:02:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:02:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:02:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:02:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:02:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:02:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:02:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:02:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:02:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:02:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:02:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:02:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:02:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:02:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:02:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:02:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:02:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:02:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:02:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:02:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:02:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:02:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:02:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:02:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:02:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:02:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:02:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:02:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:02:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:02:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:02:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:02:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:02:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:02:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:02:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:02:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:02:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:02:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:02:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:02:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:02:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:02:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:02:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:02:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:02:11,334 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:02:11,335 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:02:11,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:11 BoogieIcfgContainer [2019-11-07 01:02:11,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:02:11,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:02:11,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:02:11,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:02:11,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:02:09" (1/3) ... [2019-11-07 01:02:11,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618992b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:11, skipping insertion in model container [2019-11-07 01:02:11,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:09" (2/3) ... [2019-11-07 01:02:11,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618992b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:11, skipping insertion in model container [2019-11-07 01:02:11,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:11" (3/3) ... [2019-11-07 01:02:11,345 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-11-07 01:02:11,355 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:02:11,364 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:02:11,376 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:02:11,405 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:02:11,405 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:02:11,405 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:02:11,405 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:02:11,405 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:02:11,406 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:02:11,406 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:02:11,406 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:02:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-11-07 01:02:11,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:02:11,437 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:11,438 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:11,441 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:11,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:11,448 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2019-11-07 01:02:11,457 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:11,458 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175724163] [2019-11-07 01:02:11,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:11,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175724163] [2019-11-07 01:02:11,857 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:11,857 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:02:11,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399264271] [2019-11-07 01:02:11,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:11,867 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:11,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:02:11,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:02:11,892 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-11-07 01:02:11,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:11,970 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2019-11-07 01:02:11,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:11,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:02:11,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:12,011 INFO L225 Difference]: With dead ends: 314 [2019-11-07 01:02:12,011 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:02:12,021 INFO L630 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 [2019-11-07 01:02:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:02:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:02:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:02:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2019-11-07 01:02:12,134 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2019-11-07 01:02:12,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:12,135 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2019-11-07 01:02:12,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2019-11-07 01:02:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:02:12,161 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:12,167 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:12,167 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:12,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2019-11-07 01:02:12,168 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:12,168 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78112016] [2019-11-07 01:02:12,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:12,458 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78112016] [2019-11-07 01:02:12,458 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:12,458 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:02:12,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244492559] [2019-11-07 01:02:12,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:02:12,461 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:12,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:02:12,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:02:12,462 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2019-11-07 01:02:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:12,489 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2019-11-07 01:02:12,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:02:12,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:02:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:12,496 INFO L225 Difference]: With dead ends: 259 [2019-11-07 01:02:12,496 INFO L226 Difference]: Without dead ends: 148 [2019-11-07 01:02:12,498 INFO L630 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 [2019-11-07 01:02:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-11-07 01:02:12,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-11-07 01:02:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-07 01:02:12,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2019-11-07 01:02:12,513 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2019-11-07 01:02:12,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:12,514 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2019-11-07 01:02:12,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:02:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2019-11-07 01:02:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:02:12,517 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:12,517 INFO L410 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] [2019-11-07 01:02:12,517 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:12,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2019-11-07 01:02:12,518 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:12,518 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458538824] [2019-11-07 01:02:12,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:12,678 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458538824] [2019-11-07 01:02:12,678 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:12,679 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:02:12,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497938768] [2019-11-07 01:02:12,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:02:12,679 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:12,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:02:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:12,680 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 7 states. [2019-11-07 01:02:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:13,130 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2019-11-07 01:02:13,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:13,131 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 01:02:13,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:13,136 INFO L225 Difference]: With dead ends: 272 [2019-11-07 01:02:13,136 INFO L226 Difference]: Without dead ends: 148 [2019-11-07 01:02:13,137 INFO L630 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 [2019-11-07 01:02:13,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-11-07 01:02:13,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-11-07 01:02:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-07 01:02:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2019-11-07 01:02:13,173 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2019-11-07 01:02:13,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:13,173 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2019-11-07 01:02:13,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:02:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2019-11-07 01:02:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 01:02:13,176 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:13,176 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:13,176 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:13,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:13,178 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2019-11-07 01:02:13,178 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:13,179 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107434116] [2019-11-07 01:02:13,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:13,342 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107434116] [2019-11-07 01:02:13,342 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:13,342 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:02:13,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414375582] [2019-11-07 01:02:13,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:02:13,343 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:13,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:02:13,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:02:13,344 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2019-11-07 01:02:13,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:13,917 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2019-11-07 01:02:13,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:02:13,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-11-07 01:02:13,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:13,923 INFO L225 Difference]: With dead ends: 389 [2019-11-07 01:02:13,923 INFO L226 Difference]: Without dead ends: 265 [2019-11-07 01:02:13,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:02:13,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-11-07 01:02:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2019-11-07 01:02:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-11-07 01:02:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2019-11-07 01:02:13,985 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2019-11-07 01:02:13,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:13,986 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2019-11-07 01:02:13,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:02:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2019-11-07 01:02:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-07 01:02:13,990 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:13,990 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:13,990 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:13,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:13,991 INFO L82 PathProgramCache]: Analyzing trace with hash 990610989, now seen corresponding path program 1 times [2019-11-07 01:02:13,991 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:13,991 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861863651] [2019-11-07 01:02:13,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:14,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861863651] [2019-11-07 01:02:14,249 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:14,249 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:02:14,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063111329] [2019-11-07 01:02:14,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:02:14,250 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:14,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:02:14,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:02:14,252 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 10 states. [2019-11-07 01:02:14,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:14,936 INFO L93 Difference]: Finished difference Result 803 states and 971 transitions. [2019-11-07 01:02:14,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:02:14,937 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2019-11-07 01:02:14,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:14,943 INFO L225 Difference]: With dead ends: 803 [2019-11-07 01:02:14,944 INFO L226 Difference]: Without dead ends: 581 [2019-11-07 01:02:14,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-11-07 01:02:14,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2019-11-07 01:02:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-11-07 01:02:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 660 transitions. [2019-11-07 01:02:14,994 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 660 transitions. Word has length 84 [2019-11-07 01:02:14,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:14,994 INFO L462 AbstractCegarLoop]: Abstraction has 571 states and 660 transitions. [2019-11-07 01:02:14,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:02:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 660 transitions. [2019-11-07 01:02:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-07 01:02:14,999 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:14,999 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:14,999 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:15,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:15,000 INFO L82 PathProgramCache]: Analyzing trace with hash -212088065, now seen corresponding path program 1 times [2019-11-07 01:02:15,000 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:15,000 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383143250] [2019-11-07 01:02:15,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 01:02:15,189 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383143250] [2019-11-07 01:02:15,189 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316757226] [2019-11-07 01:02:15,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:15,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-07 01:02:15,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 01:02:15,688 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:16,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:16,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:02:16,242 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:02:16,243 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6, 10] total 19 [2019-11-07 01:02:16,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852556214] [2019-11-07 01:02:16,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 01:02:16,245 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:16,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 01:02:16,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:16,248 INFO L87 Difference]: Start difference. First operand 571 states and 660 transitions. Second operand 11 states. [2019-11-07 01:02:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:17,795 INFO L93 Difference]: Finished difference Result 1235 states and 1564 transitions. [2019-11-07 01:02:17,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 01:02:17,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2019-11-07 01:02:17,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:17,804 INFO L225 Difference]: With dead ends: 1235 [2019-11-07 01:02:17,804 INFO L226 Difference]: Without dead ends: 816 [2019-11-07 01:02:17,806 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 282 SyntacticMatches, 12 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2019-11-07 01:02:17,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-11-07 01:02:17,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 715. [2019-11-07 01:02:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2019-11-07 01:02:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 840 transitions. [2019-11-07 01:02:17,864 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 840 transitions. Word has length 152 [2019-11-07 01:02:17,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:17,865 INFO L462 AbstractCegarLoop]: Abstraction has 715 states and 840 transitions. [2019-11-07 01:02:17,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 01:02:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 840 transitions. [2019-11-07 01:02:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-07 01:02:17,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:17,868 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:18,075 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:18,075 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:18,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:18,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2008036261, now seen corresponding path program 1 times [2019-11-07 01:02:18,077 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:18,077 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093088542] [2019-11-07 01:02:18,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 01:02:18,161 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093088542] [2019-11-07 01:02:18,162 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062857768] [2019-11-07 01:02:18,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:18,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 01:02:18,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 01:02:18,466 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 01:02:18,788 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:02:18,789 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-11-07 01:02:18,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676639688] [2019-11-07 01:02:18,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:02:18,790 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:18,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:02:18,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:18,791 INFO L87 Difference]: Start difference. First operand 715 states and 840 transitions. Second operand 6 states. [2019-11-07 01:02:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:18,855 INFO L93 Difference]: Finished difference Result 1434 states and 1752 transitions. [2019-11-07 01:02:18,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:18,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2019-11-07 01:02:18,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:18,862 INFO L225 Difference]: With dead ends: 1434 [2019-11-07 01:02:18,863 INFO L226 Difference]: Without dead ends: 743 [2019-11-07 01:02:18,865 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:18,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-11-07 01:02:18,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 735. [2019-11-07 01:02:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-11-07 01:02:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 862 transitions. [2019-11-07 01:02:18,918 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 862 transitions. Word has length 148 [2019-11-07 01:02:18,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:18,919 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 862 transitions. [2019-11-07 01:02:18,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:02:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 862 transitions. [2019-11-07 01:02:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-07 01:02:18,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:18,924 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:19,129 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:19,130 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:19,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:19,130 INFO L82 PathProgramCache]: Analyzing trace with hash -935545817, now seen corresponding path program 1 times [2019-11-07 01:02:19,131 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:19,131 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579058418] [2019-11-07 01:02:19,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 01:02:19,221 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579058418] [2019-11-07 01:02:19,221 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411584595] [2019-11-07 01:02:19,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:19,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 01:02:19,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 01:02:19,520 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 01:02:19,831 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:02:19,831 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2019-11-07 01:02:19,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867023877] [2019-11-07 01:02:19,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:02:19,832 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:19,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:02:19,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-07 01:02:19,832 INFO L87 Difference]: Start difference. First operand 735 states and 862 transitions. Second operand 5 states. [2019-11-07 01:02:19,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:19,889 INFO L93 Difference]: Finished difference Result 1287 states and 1551 transitions. [2019-11-07 01:02:19,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:02:19,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2019-11-07 01:02:19,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:19,894 INFO L225 Difference]: With dead ends: 1287 [2019-11-07 01:02:19,894 INFO L226 Difference]: Without dead ends: 576 [2019-11-07 01:02:19,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 293 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-07 01:02:19,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-11-07 01:02:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-11-07 01:02:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-11-07 01:02:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 679 transitions. [2019-11-07 01:02:19,931 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 679 transitions. Word has length 148 [2019-11-07 01:02:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:19,931 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 679 transitions. [2019-11-07 01:02:19,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:02:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 679 transitions. [2019-11-07 01:02:19,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-07 01:02:19,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:19,935 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:20,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:20,141 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:20,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:20,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1621582473, now seen corresponding path program 1 times [2019-11-07 01:02:20,142 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:20,142 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899427326] [2019-11-07 01:02:20,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-11-07 01:02:20,370 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899427326] [2019-11-07 01:02:20,370 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:20,370 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:02:20,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045240288] [2019-11-07 01:02:20,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:02:20,372 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:20,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:02:20,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:02:20,374 INFO L87 Difference]: Start difference. First operand 576 states and 679 transitions. Second operand 9 states. [2019-11-07 01:02:21,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:21,395 INFO L93 Difference]: Finished difference Result 1555 states and 1874 transitions. [2019-11-07 01:02:21,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-07 01:02:21,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2019-11-07 01:02:21,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:21,403 INFO L225 Difference]: With dead ends: 1555 [2019-11-07 01:02:21,403 INFO L226 Difference]: Without dead ends: 1003 [2019-11-07 01:02:21,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:21,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2019-11-07 01:02:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1000. [2019-11-07 01:02:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2019-11-07 01:02:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1168 transitions. [2019-11-07 01:02:21,498 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1168 transitions. Word has length 222 [2019-11-07 01:02:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:21,499 INFO L462 AbstractCegarLoop]: Abstraction has 1000 states and 1168 transitions. [2019-11-07 01:02:21,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:02:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1168 transitions. [2019-11-07 01:02:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-07 01:02:21,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:21,509 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:21,509 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:21,510 INFO L82 PathProgramCache]: Analyzing trace with hash 933152869, now seen corresponding path program 1 times [2019-11-07 01:02:21,510 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:21,510 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499191320] [2019-11-07 01:02:21,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-07 01:02:21,666 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499191320] [2019-11-07 01:02:21,666 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:21,666 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:02:21,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103592658] [2019-11-07 01:02:21,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:02:21,668 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:21,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:02:21,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:21,668 INFO L87 Difference]: Start difference. First operand 1000 states and 1168 transitions. Second operand 6 states. [2019-11-07 01:02:21,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:21,881 INFO L93 Difference]: Finished difference Result 1009 states and 1181 transitions. [2019-11-07 01:02:21,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:02:21,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 226 [2019-11-07 01:02:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:21,889 INFO L225 Difference]: With dead ends: 1009 [2019-11-07 01:02:21,890 INFO L226 Difference]: Without dead ends: 1006 [2019-11-07 01:02:21,895 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:02:21,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2019-11-07 01:02:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1000. [2019-11-07 01:02:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2019-11-07 01:02:21,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1166 transitions. [2019-11-07 01:02:21,987 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1166 transitions. Word has length 226 [2019-11-07 01:02:21,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:21,988 INFO L462 AbstractCegarLoop]: Abstraction has 1000 states and 1166 transitions. [2019-11-07 01:02:21,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:02:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1166 transitions. [2019-11-07 01:02:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-07 01:02:21,993 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:21,994 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:21,994 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:21,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1949464188, now seen corresponding path program 1 times [2019-11-07 01:02:21,995 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:21,995 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056725244] [2019-11-07 01:02:21,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-07 01:02:22,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056725244] [2019-11-07 01:02:22,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678404948] [2019-11-07 01:02:22,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:22,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:02:22,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:22,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 122 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 01:02:22,847 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:23,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:23,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:23,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:23,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:23,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:02:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-07 01:02:23,603 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [572338039] [2019-11-07 01:02:23,608 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 245 [2019-11-07 01:02:23,653 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:02:23,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:02:23,718 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:02:23,720 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-11-07 01:02:23,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:23,725 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:02:23,806 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:02:23,807 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:02:23,812 INFO L553 sIntCurrentIteration]: We unified 243 AI predicates to 243 [2019-11-07 01:02:23,812 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:02:23,813 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:02:23,813 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 10, 10] total 17 [2019-11-07 01:02:23,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779070872] [2019-11-07 01:02:23,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:23,814 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:23,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:02:23,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2019-11-07 01:02:23,815 INFO L87 Difference]: Start difference. First operand 1000 states and 1166 transitions. Second operand 2 states. [2019-11-07 01:02:23,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:23,830 INFO L93 Difference]: Finished difference Result 1000 states and 1166 transitions. [2019-11-07 01:02:23,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:23,830 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 244 [2019-11-07 01:02:23,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:23,831 INFO L225 Difference]: With dead ends: 1000 [2019-11-07 01:02:23,831 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:02:23,834 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 479 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2019-11-07 01:02:23,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:02:23,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:02:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:02:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:02:23,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-11-07 01:02:23,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:23,836 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:02:23,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:23,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:02:23,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:02:24,041 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:24,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:02:24,516 INFO L443 ceAbstractionStarter]: For program point L639(lines 616 640) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 592 647) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 627) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point L623-1(lines 623 627) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point L617-2(lines 617 638) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 592 647) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 592 647) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point L674-2(lines 674 699) no Hoare annotation was computed. [2019-11-07 01:02:24,517 INFO L443 ceAbstractionStarter]: For program point L700(lines 673 701) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 648 707) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point L693(line 693) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point L693-1(line 693) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 648 707) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 648 707) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point L680-1(lines 680 684) no Hoare annotation was computed. [2019-11-07 01:02:24,518 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-11-07 01:02:24,519 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2019-11-07 01:02:24,519 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2019-11-07 01:02:24,519 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2019-11-07 01:02:24,519 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2019-11-07 01:02:24,519 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2019-11-07 01:02:24,519 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-11-07 01:02:24,519 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2019-11-07 01:02:24,519 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2019-11-07 01:02:24,519 INFO L446 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2019-11-07 01:02:24,520 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-11-07 01:02:24,520 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-11-07 01:02:24,520 INFO L443 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2019-11-07 01:02:24,520 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2019-11-07 01:02:24,520 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2019-11-07 01:02:24,520 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-11-07 01:02:24,520 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: true [2019-11-07 01:02:24,520 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2019-11-07 01:02:24,520 INFO L446 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2019-11-07 01:02:24,521 INFO L446 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: true [2019-11-07 01:02:24,521 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-11-07 01:02:24,521 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2019-11-07 01:02:24,521 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2019-11-07 01:02:24,521 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-07 01:02:24,521 INFO L446 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: true [2019-11-07 01:02:24,521 INFO L446 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: true [2019-11-07 01:02:24,521 INFO L446 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: true [2019-11-07 01:02:24,521 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-07 01:02:24,521 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 475 498) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 475 498) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 475 498) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-07 01:02:24,522 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L446 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: true [2019-11-07 01:02:24,523 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2019-11-07 01:02:24,523 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: true [2019-11-07 01:02:24,523 INFO L446 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: true [2019-11-07 01:02:24,524 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2019-11-07 01:02:24,524 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-11-07 01:02:24,524 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2019-11-07 01:02:24,524 INFO L446 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: true [2019-11-07 01:02:24,524 INFO L443 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2019-11-07 01:02:24,524 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2019-11-07 01:02:24,524 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2019-11-07 01:02:24,524 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2019-11-07 01:02:24,524 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L446 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 323) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2019-11-07 01:02:24,525 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 311) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 296 331) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 296 331) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 296 331) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2019-11-07 01:02:24,526 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 546 591) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 546 591) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 546 591) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 859 904) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 886) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 859 904) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 893) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point L873-1(lines 873 893) no Hoare annotation was computed. [2019-11-07 01:02:24,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 859 904) no Hoare annotation was computed. [2019-11-07 01:02:24,528 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: true [2019-11-07 01:02:24,528 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2019-11-07 01:02:24,528 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2019-11-07 01:02:24,528 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2019-11-07 01:02:24,528 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2019-11-07 01:02:24,528 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-11-07 01:02:24,528 INFO L443 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2019-11-07 01:02:24,529 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2019-11-07 01:02:24,529 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: true [2019-11-07 01:02:24,529 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2019-11-07 01:02:24,529 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2019-11-07 01:02:24,529 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2019-11-07 01:02:24,529 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2019-11-07 01:02:24,529 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2019-11-07 01:02:24,529 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2019-11-07 01:02:24,530 INFO L446 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: true [2019-11-07 01:02:24,530 INFO L443 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2019-11-07 01:02:24,530 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2019-11-07 01:02:24,530 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2019-11-07 01:02:24,530 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: true [2019-11-07 01:02:24,530 INFO L446 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: true [2019-11-07 01:02:24,530 INFO L443 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2019-11-07 01:02:24,530 INFO L446 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: true [2019-11-07 01:02:24,531 INFO L446 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: true [2019-11-07 01:02:24,531 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2019-11-07 01:02:24,531 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2019-11-07 01:02:24,531 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2019-11-07 01:02:24,531 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: true [2019-11-07 01:02:24,531 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2019-11-07 01:02:24,531 INFO L446 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: true [2019-11-07 01:02:24,532 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-11-07 01:02:24,532 INFO L446 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: true [2019-11-07 01:02:24,532 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-11-07 01:02:24,532 INFO L446 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: true [2019-11-07 01:02:24,532 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-11-07 01:02:24,532 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-11-07 01:02:24,532 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-11-07 01:02:24,532 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2019-11-07 01:02:24,532 INFO L446 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: true [2019-11-07 01:02:24,533 INFO L446 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 840) no Hoare annotation was computed. [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 847) no Hoare annotation was computed. [2019-11-07 01:02:24,533 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 813 858) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 813 858) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 813 858) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: true [2019-11-07 01:02:24,534 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2019-11-07 01:02:24,534 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 969) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point L961-2(lines 961 969) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 953 975) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 953 975) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 953 975) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2019-11-07 01:02:24,535 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2019-11-07 01:02:24,536 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2019-11-07 01:02:24,536 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 806) no Hoare annotation was computed. [2019-11-07 01:02:24,536 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 710 812) no Hoare annotation was computed. [2019-11-07 01:02:24,536 INFO L443 ceAbstractionStarter]: For program point L760(lines 759 779) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 797) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 710 812) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 809) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-11-07 01:02:24,537 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2019-11-07 01:02:24,538 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 710 812) no Hoare annotation was computed. [2019-11-07 01:02:24,538 INFO L443 ceAbstractionStarter]: For program point L780(lines 758 781) no Hoare annotation was computed. [2019-11-07 01:02:24,538 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 755) no Hoare annotation was computed. [2019-11-07 01:02:24,538 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,539 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 1 ~waterLevel~0) (< |old(~waterLevel~0)| 2)) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2019-11-07 01:02:24,540 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,540 INFO L446 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2019-11-07 01:02:24,540 INFO L443 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2019-11-07 01:02:24,540 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2019-11-07 01:02:24,541 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: true [2019-11-07 01:02:24,541 INFO L446 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: true [2019-11-07 01:02:24,541 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2019-11-07 01:02:24,541 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-11-07 01:02:24,541 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2019-11-07 01:02:24,541 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2019-11-07 01:02:24,541 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2019-11-07 01:02:24,541 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2019-11-07 01:02:24,541 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2019-11-07 01:02:24,542 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2019-11-07 01:02:24,542 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2019-11-07 01:02:24,542 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,543 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,543 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,543 INFO L446 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: true [2019-11-07 01:02:24,543 INFO L446 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: true [2019-11-07 01:02:24,544 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: true [2019-11-07 01:02:24,544 INFO L446 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: true [2019-11-07 01:02:24,544 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2019-11-07 01:02:24,544 INFO L443 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2019-11-07 01:02:24,544 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2019-11-07 01:02:24,544 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2019-11-07 01:02:24,544 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2019-11-07 01:02:24,544 INFO L446 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2019-11-07 01:02:24,545 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-07 01:02:24,545 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-11-07 01:02:24,545 INFO L446 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2019-11-07 01:02:24,545 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-11-07 01:02:24,545 INFO L446 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2019-11-07 01:02:24,545 INFO L446 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2019-11-07 01:02:24,545 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-11-07 01:02:24,545 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2019-11-07 01:02:24,545 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2019-11-07 01:02:24,546 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2019-11-07 01:02:24,546 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2019-11-07 01:02:24,546 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: true [2019-11-07 01:02:24,546 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2019-11-07 01:02:24,546 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2019-11-07 01:02:24,546 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2019-11-07 01:02:24,546 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,546 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:02:24,546 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:02:24,547 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:24,547 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2019-11-07 01:02:24,547 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: true [2019-11-07 01:02:24,547 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2019-11-07 01:02:24,547 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: true [2019-11-07 01:02:24,547 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2019-11-07 01:02:24,547 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-11-07 01:02:24,547 INFO L443 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2019-11-07 01:02:24,547 INFO L446 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: true [2019-11-07 01:02:24,548 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-11-07 01:02:24,548 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2019-11-07 01:02:24,548 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-11-07 01:02:24,548 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-11-07 01:02:24,548 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-11-07 01:02:24,548 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2019-11-07 01:02:24,548 INFO L443 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2019-11-07 01:02:24,548 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: true [2019-11-07 01:02:24,548 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:02:24,549 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 01:02:24,549 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 01:02:24,550 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:02:24,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:02:24 BoogieIcfgContainer [2019-11-07 01:02:24,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:02:24,566 INFO L168 Benchmark]: Toolchain (without parser) took 15383.35 ms. Allocated memory was 145.2 MB in the beginning and 453.5 MB in the end (delta: 308.3 MB). Free memory was 100.9 MB in the beginning and 124.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:24,569 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 01:02:24,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.92 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 169.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:24,574 INFO L168 Benchmark]: Boogie Preprocessor took 85.39 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:24,574 INFO L168 Benchmark]: RCFGBuilder took 1356.04 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.8 MB in the beginning and 193.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:24,575 INFO L168 Benchmark]: TraceAbstraction took 13225.15 ms. Allocated memory was 235.9 MB in the beginning and 453.5 MB in the end (delta: 217.6 MB). Free memory was 193.8 MB in the beginning and 124.6 MB in the end (delta: 69.3 MB). Peak memory consumption was 286.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:24,584 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.92 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 169.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.39 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1356.04 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.8 MB in the beginning and 193.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13225.15 ms. Allocated memory was 235.9 MB in the beginning and 453.5 MB in the end (delta: 217.6 MB). Free memory was 193.8 MB in the beginning and 124.6 MB in the end (delta: 69.3 MB). Peak memory consumption was 286.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Result: SAFE, OverallTime: 13.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 2024 SDtfs, 1684 SDslu, 5384 SDs, 0 SdLazy, 2741 SolverSat, 656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1519 GetRequests, 1387 SyntacticMatches, 20 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1000occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 147 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1781 PreInvPairs, 1782 NumberOfFragments, 88 HoareAnnotationTreeSize, 1781 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2131 NumberOfCodeBlocks, 2131 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2804 ConstructedInterpolants, 0 QuantifiedInterpolants, 750758 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3781 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 885/989 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 117, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7242798353909465, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...