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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:38:07,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:38:07,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:38:07,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:38:07,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:38:07,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:38:07,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:38:07,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:38:07,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:38:07,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:38:07,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:38:07,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:38:07,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:38:07,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:38:07,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:38:07,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:38:07,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:38:07,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:38:07,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:38:07,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:38:07,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:38:07,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:38:07,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:38:07,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:38:07,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:38:07,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:38:07,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:38:07,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:38:07,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:38:07,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:38:07,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:38:07,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:38:07,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:38:07,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:38:07,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:38:07,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:38:07,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:38:07,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:38:07,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:38:07,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:38:07,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:38:07,851 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 [2019-09-16 16:38:07,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:38:07,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:38:07,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:38:07,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:38:07,879 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:38:07,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:38:07,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:38:07,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:38:07,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:38:07,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:38:07,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:38:07,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:38:07,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:38:07,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:38:07,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:38:07,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:38:07,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:38:07,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:38:07,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:38:07,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:38:07,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:38:07,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:38:07,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:38:07,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:38:07,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:38:07,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:38:07,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:38:07,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:38:07,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:38:07,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:38:07,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:38:07,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:38:07,959 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:38:07,959 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:38:07,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-09-16 16:38:08,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd8a4737/ab36238acaad47b18c8efe3f7a6b8152/FLAG9b4ecea29 [2019-09-16 16:38:08,622 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:38:08,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-09-16 16:38:08,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd8a4737/ab36238acaad47b18c8efe3f7a6b8152/FLAG9b4ecea29 [2019-09-16 16:38:08,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd8a4737/ab36238acaad47b18c8efe3f7a6b8152 [2019-09-16 16:38:08,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:38:08,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:38:08,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:38:08,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:38:08,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:38:08,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:38:08" (1/1) ... [2019-09-16 16:38:08,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37469eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:08, skipping insertion in model container [2019-09-16 16:38:08,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:38:08" (1/1) ... [2019-09-16 16:38:08,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:38:08,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:38:09,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:38:09,447 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:38:09,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:38:09,567 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:38:09,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09 WrapperNode [2019-09-16 16:38:09,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:38:09,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:38:09,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:38:09,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:38:09,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... [2019-09-16 16:38:09,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:38:09,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:38:09,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:38:09,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:38:09,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:38:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:38:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:38:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:38:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:38:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:38:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:38:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:38:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:38:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:38:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:38:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 16:38:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 16:38:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 16:38:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:38:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:38:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:38:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:38:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:38:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:38:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:38:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:38:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:38:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:38:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:38:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:38:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:38:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:38:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:38:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:38:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:38:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:38:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:38:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:38:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:38:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:38:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:38:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:38:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:38:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:38:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:38:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:38:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:38:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:38:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:38:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:38:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:38:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:38:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 16:38:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:38:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:38:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:38:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:38:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:38:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:38:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:38:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:38:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:38:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:38:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:38:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:38:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:38:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:38:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:38:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:38:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:38:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:38:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:38:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:38:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:38:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:38:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:38:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:38:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:38:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:38:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:38:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:38:11,020 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:38:11,020 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:38:11,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:38:11 BoogieIcfgContainer [2019-09-16 16:38:11,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:38:11,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:38:11,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:38:11,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:38:11,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:38:08" (1/3) ... [2019-09-16 16:38:11,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b19494a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:38:11, skipping insertion in model container [2019-09-16 16:38:11,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:09" (2/3) ... [2019-09-16 16:38:11,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b19494a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:38:11, skipping insertion in model container [2019-09-16 16:38:11,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:38:11" (3/3) ... [2019-09-16 16:38:11,034 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2019-09-16 16:38:11,045 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:38:11,055 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:38:11,073 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:38:11,117 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:38:11,118 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:38:11,118 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:38:11,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:38:11,119 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:38:11,119 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:38:11,119 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:38:11,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:38:11,119 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:38:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-09-16 16:38:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 16:38:11,156 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:11,157 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:11,160 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:11,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:11,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2019-09-16 16:38:11,169 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:11,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:11,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:11,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:11,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:11,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:11,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:38:11,575 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:38:11,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:38:11,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:38:11,596 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2019-09-16 16:38:11,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:11,680 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2019-09-16 16:38:11,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:38:11,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-16 16:38:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:11,707 INFO L225 Difference]: With dead ends: 268 [2019-09-16 16:38:11,708 INFO L226 Difference]: Without dead ends: 136 [2019-09-16 16:38:11,720 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:38:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-16 16:38:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-16 16:38:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-16 16:38:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2019-09-16 16:38:11,777 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2019-09-16 16:38:11,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:11,778 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2019-09-16 16:38:11,778 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:38:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2019-09-16 16:38:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-16 16:38:11,782 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:11,783 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:11,783 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:11,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:11,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2019-09-16 16:38:11,784 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:11,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:11,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:11,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:11,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:11,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:11,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:38:11,922 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:38:11,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:38:11,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:11,924 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 3 states. [2019-09-16 16:38:11,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:11,954 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2019-09-16 16:38:11,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:38:11,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-16 16:38:11,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:11,957 INFO L225 Difference]: With dead ends: 217 [2019-09-16 16:38:11,958 INFO L226 Difference]: Without dead ends: 127 [2019-09-16 16:38:11,959 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-09-16 16:38:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-09-16 16:38:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-09-16 16:38:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2019-09-16 16:38:11,976 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2019-09-16 16:38:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:11,977 INFO L475 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2019-09-16 16:38:11,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:38:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2019-09-16 16:38:11,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 16:38:11,980 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:11,980 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:11,980 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:11,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:11,981 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2019-09-16 16:38:11,981 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:11,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:11,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:11,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:11,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:12,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:12,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:38:12,117 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:38:12,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:38:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:12,120 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 3 states. [2019-09-16 16:38:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:12,157 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2019-09-16 16:38:12,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:38:12,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-16 16:38:12,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:12,161 INFO L225 Difference]: With dead ends: 226 [2019-09-16 16:38:12,162 INFO L226 Difference]: Without dead ends: 127 [2019-09-16 16:38:12,166 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:12,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-09-16 16:38:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-09-16 16:38:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-09-16 16:38:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-09-16 16:38:12,196 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 64 [2019-09-16 16:38:12,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:12,199 INFO L475 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-09-16 16:38:12,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:38:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-09-16 16:38:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-16 16:38:12,205 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:12,206 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:12,206 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:12,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:12,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1588822882, now seen corresponding path program 1 times [2019-09-16 16:38:12,207 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:12,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:12,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:12,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:12,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:12,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:12,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:38:12,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:38:12,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:38:12,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:38:12,420 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2019-09-16 16:38:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:13,051 INFO L93 Difference]: Finished difference Result 327 states and 395 transitions. [2019-09-16 16:38:13,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:38:13,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-16 16:38:13,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:13,056 INFO L225 Difference]: With dead ends: 327 [2019-09-16 16:38:13,060 INFO L226 Difference]: Without dead ends: 228 [2019-09-16 16:38:13,062 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:38:13,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-16 16:38:13,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2019-09-16 16:38:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-16 16:38:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2019-09-16 16:38:13,095 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2019-09-16 16:38:13,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:13,095 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2019-09-16 16:38:13,095 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:38:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2019-09-16 16:38:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-16 16:38:13,097 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:13,097 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:13,098 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:13,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:13,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1801013738, now seen corresponding path program 1 times [2019-09-16 16:38:13,098 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:13,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:13,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:13,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:13,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:38:13,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:13,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:38:13,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:38:13,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:38:13,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:38:13,266 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 7 states. [2019-09-16 16:38:13,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:13,982 INFO L93 Difference]: Finished difference Result 409 states and 485 transitions. [2019-09-16 16:38:13,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:38:13,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-09-16 16:38:13,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:13,985 INFO L225 Difference]: With dead ends: 409 [2019-09-16 16:38:13,985 INFO L226 Difference]: Without dead ends: 227 [2019-09-16 16:38:13,986 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:38:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-09-16 16:38:14,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-09-16 16:38:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-09-16 16:38:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-09-16 16:38:14,006 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2019-09-16 16:38:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:14,007 INFO L475 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-09-16 16:38:14,007 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:38:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-09-16 16:38:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:38:14,009 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:14,009 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:14,009 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:14,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:14,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2019-09-16 16:38:14,010 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:14,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:14,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:14,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:14,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:14,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:38:14,093 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:38:14,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:38:14,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:38:14,094 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-09-16 16:38:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:14,131 INFO L93 Difference]: Finished difference Result 395 states and 458 transitions. [2019-09-16 16:38:14,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:38:14,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-09-16 16:38:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:14,134 INFO L225 Difference]: With dead ends: 395 [2019-09-16 16:38:14,135 INFO L226 Difference]: Without dead ends: 214 [2019-09-16 16:38:14,135 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:38:14,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-09-16 16:38:14,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2019-09-16 16:38:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-09-16 16:38:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2019-09-16 16:38:14,151 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2019-09-16 16:38:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:14,152 INFO L475 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2019-09-16 16:38:14,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:38:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2019-09-16 16:38:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:38:14,153 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:14,154 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:14,154 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:14,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:14,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2019-09-16 16:38:14,155 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:14,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:14,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:14,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:14,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:14,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:38:14,284 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:38:14,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:38:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:38:14,284 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 8 states. [2019-09-16 16:38:14,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:14,321 INFO L93 Difference]: Finished difference Result 407 states and 475 transitions. [2019-09-16 16:38:14,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:38:14,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-09-16 16:38:14,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:14,323 INFO L225 Difference]: With dead ends: 407 [2019-09-16 16:38:14,324 INFO L226 Difference]: Without dead ends: 221 [2019-09-16 16:38:14,325 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:38:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-09-16 16:38:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2019-09-16 16:38:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-09-16 16:38:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2019-09-16 16:38:14,338 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2019-09-16 16:38:14,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:14,339 INFO L475 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2019-09-16 16:38:14,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:38:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2019-09-16 16:38:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:38:14,340 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:14,341 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:14,341 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:14,341 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2019-09-16 16:38:14,342 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:14,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:14,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:14,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:14,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:14,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:38:14,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:38:14,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:38:14,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:38:14,428 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 4 states. [2019-09-16 16:38:14,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:14,677 INFO L93 Difference]: Finished difference Result 633 states and 754 transitions. [2019-09-16 16:38:14,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:38:14,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-09-16 16:38:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:14,681 INFO L225 Difference]: With dead ends: 633 [2019-09-16 16:38:14,682 INFO L226 Difference]: Without dead ends: 443 [2019-09-16 16:38:14,683 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:38:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-09-16 16:38:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2019-09-16 16:38:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-09-16 16:38:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 506 transitions. [2019-09-16 16:38:14,757 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 506 transitions. Word has length 92 [2019-09-16 16:38:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:14,758 INFO L475 AbstractCegarLoop]: Abstraction has 434 states and 506 transitions. [2019-09-16 16:38:14,758 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:38:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 506 transitions. [2019-09-16 16:38:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-09-16 16:38:14,760 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:14,760 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:14,760 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:14,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:14,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2019-09-16 16:38:14,761 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:14,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:14,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:14,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:14,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:14,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:38:14,907 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:38:14,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:38:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:38:14,908 INFO L87 Difference]: Start difference. First operand 434 states and 506 transitions. Second operand 9 states. [2019-09-16 16:38:15,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:15,887 INFO L93 Difference]: Finished difference Result 1133 states and 1386 transitions. [2019-09-16 16:38:15,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-16 16:38:15,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-09-16 16:38:15,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:15,895 INFO L225 Difference]: With dead ends: 1133 [2019-09-16 16:38:15,896 INFO L226 Difference]: Without dead ends: 795 [2019-09-16 16:38:15,898 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:38:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-09-16 16:38:15,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 722. [2019-09-16 16:38:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2019-09-16 16:38:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 832 transitions. [2019-09-16 16:38:15,951 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 832 transitions. Word has length 96 [2019-09-16 16:38:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:15,952 INFO L475 AbstractCegarLoop]: Abstraction has 722 states and 832 transitions. [2019-09-16 16:38:15,952 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:38:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 832 transitions. [2019-09-16 16:38:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-16 16:38:15,955 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:15,955 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-16 16:38:15,956 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:15,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:15,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1033047505, now seen corresponding path program 1 times [2019-09-16 16:38:15,956 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:15,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:15,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:15,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:15,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-16 16:38:16,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:16,129 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:16,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:16,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-16 16:38:16,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:38:16,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:16,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-09-16 16:38:16,527 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:38:16,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:38:16,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:38:16,528 INFO L87 Difference]: Start difference. First operand 722 states and 832 transitions. Second operand 16 states. [2019-09-16 16:38:17,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:17,690 INFO L93 Difference]: Finished difference Result 1616 states and 1943 transitions. [2019-09-16 16:38:17,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-16 16:38:17,690 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2019-09-16 16:38:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:17,696 INFO L225 Difference]: With dead ends: 1616 [2019-09-16 16:38:17,696 INFO L226 Difference]: Without dead ends: 988 [2019-09-16 16:38:17,699 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2019-09-16 16:38:17,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-09-16 16:38:17,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 868. [2019-09-16 16:38:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2019-09-16 16:38:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1012 transitions. [2019-09-16 16:38:17,754 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1012 transitions. Word has length 155 [2019-09-16 16:38:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:17,754 INFO L475 AbstractCegarLoop]: Abstraction has 868 states and 1012 transitions. [2019-09-16 16:38:17,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:38:17,755 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1012 transitions. [2019-09-16 16:38:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-09-16 16:38:17,760 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:17,760 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-09-16 16:38:17,761 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 927207093, now seen corresponding path program 1 times [2019-09-16 16:38:17,761 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:17,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:17,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:17,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:17,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-09-16 16:38:17,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:17,958 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:18,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:18,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-16 16:38:18,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 199 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-09-16 16:38:18,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:18,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2019-09-16 16:38:18,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:38:18,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:38:18,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:38:18,557 INFO L87 Difference]: Start difference. First operand 868 states and 1012 transitions. Second operand 19 states. [2019-09-16 16:38:24,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:24,454 INFO L93 Difference]: Finished difference Result 3182 states and 4481 transitions. [2019-09-16 16:38:24,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-09-16 16:38:24,455 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 273 [2019-09-16 16:38:24,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:24,472 INFO L225 Difference]: With dead ends: 3182 [2019-09-16 16:38:24,472 INFO L226 Difference]: Without dead ends: 2350 [2019-09-16 16:38:24,480 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=523, Invalid=3137, Unknown=0, NotChecked=0, Total=3660 [2019-09-16 16:38:24,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2019-09-16 16:38:24,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 1635. [2019-09-16 16:38:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2019-09-16 16:38:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1842 transitions. [2019-09-16 16:38:24,615 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1842 transitions. Word has length 273 [2019-09-16 16:38:24,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:24,615 INFO L475 AbstractCegarLoop]: Abstraction has 1635 states and 1842 transitions. [2019-09-16 16:38:24,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:38:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1842 transitions. [2019-09-16 16:38:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-16 16:38:24,623 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:24,623 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-09-16 16:38:24,624 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:24,624 INFO L82 PathProgramCache]: Analyzing trace with hash 759645047, now seen corresponding path program 1 times [2019-09-16 16:38:24,624 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:24,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:24,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:24,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:24,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-09-16 16:38:24,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:24,894 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:24,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:25,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-16 16:38:25,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-16 16:38:25,403 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:25,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-09-16 16:38:25,406 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-16 16:38:25,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-16 16:38:25,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-09-16 16:38:25,407 INFO L87 Difference]: Start difference. First operand 1635 states and 1842 transitions. Second operand 20 states. [2019-09-16 16:38:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:27,504 INFO L93 Difference]: Finished difference Result 3086 states and 3495 transitions. [2019-09-16 16:38:27,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-16 16:38:27,505 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 289 [2019-09-16 16:38:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:27,517 INFO L225 Difference]: With dead ends: 3086 [2019-09-16 16:38:27,517 INFO L226 Difference]: Without dead ends: 1639 [2019-09-16 16:38:27,522 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:38:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2019-09-16 16:38:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1635. [2019-09-16 16:38:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2019-09-16 16:38:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1837 transitions. [2019-09-16 16:38:27,644 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1837 transitions. Word has length 289 [2019-09-16 16:38:27,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:27,644 INFO L475 AbstractCegarLoop]: Abstraction has 1635 states and 1837 transitions. [2019-09-16 16:38:27,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-16 16:38:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1837 transitions. [2019-09-16 16:38:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-09-16 16:38:27,657 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:27,658 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-09-16 16:38:27,658 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:27,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:27,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1408030871, now seen corresponding path program 1 times [2019-09-16 16:38:27,659 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:27,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:27,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:27,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:27,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-09-16 16:38:28,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:28,004 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:28,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:28,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 28 conjunts are in the unsatisfiable core [2019-09-16 16:38:28,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-09-16 16:38:28,397 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:28,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-09-16 16:38:28,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-16 16:38:28,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-16 16:38:28,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:38:28,399 INFO L87 Difference]: Start difference. First operand 1635 states and 1837 transitions. Second operand 14 states. [2019-09-16 16:38:30,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:30,644 INFO L93 Difference]: Finished difference Result 3504 states and 4272 transitions. [2019-09-16 16:38:30,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-16 16:38:30,645 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2019-09-16 16:38:30,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:30,661 INFO L225 Difference]: With dead ends: 3504 [2019-09-16 16:38:30,661 INFO L226 Difference]: Without dead ends: 2589 [2019-09-16 16:38:30,666 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:38:30,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2019-09-16 16:38:30,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2009. [2019-09-16 16:38:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2019-09-16 16:38:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2263 transitions. [2019-09-16 16:38:30,847 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2263 transitions. Word has length 290 [2019-09-16 16:38:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:30,853 INFO L475 AbstractCegarLoop]: Abstraction has 2009 states and 2263 transitions. [2019-09-16 16:38:30,853 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-16 16:38:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2263 transitions. [2019-09-16 16:38:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-09-16 16:38:30,870 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:30,872 INFO L407 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:30,872 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:30,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:30,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1059761089, now seen corresponding path program 1 times [2019-09-16 16:38:30,873 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:30,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:30,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:30,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:30,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 116 proven. 88 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-09-16 16:38:31,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:31,471 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:31,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:31,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 42 conjunts are in the unsatisfiable core [2019-09-16 16:38:31,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 212 proven. 49 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2019-09-16 16:38:32,068 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:32,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 21 [2019-09-16 16:38:32,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-16 16:38:32,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-16 16:38:32,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2019-09-16 16:38:32,071 INFO L87 Difference]: Start difference. First operand 2009 states and 2263 transitions. Second operand 21 states. [2019-09-16 16:38:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:34,676 INFO L93 Difference]: Finished difference Result 3221 states and 3651 transitions. [2019-09-16 16:38:34,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-16 16:38:34,676 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 358 [2019-09-16 16:38:34,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:34,679 INFO L225 Difference]: With dead ends: 3221 [2019-09-16 16:38:34,679 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:38:34,686 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 369 SyntacticMatches, 8 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=256, Invalid=1226, Unknown=0, NotChecked=0, Total=1482 [2019-09-16 16:38:34,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:38:34,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:38:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:38:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:38:34,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2019-09-16 16:38:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:34,689 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:38:34,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-16 16:38:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:38:34,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:38:34,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:38:35,081 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 103 [2019-09-16 16:38:36,075 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 115 [2019-09-16 16:38:36,656 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 141 [2019-09-16 16:38:37,423 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 30 [2019-09-16 16:38:37,977 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2019-09-16 16:38:38,216 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2019-09-16 16:38:38,614 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2019-09-16 16:38:39,044 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2019-09-16 16:38:39,355 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2019-09-16 16:38:40,721 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 180 DAG size of output: 62 [2019-09-16 16:38:42,735 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 71 [2019-09-16 16:38:43,135 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2019-09-16 16:38:43,831 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 51 [2019-09-16 16:38:44,285 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2019-09-16 16:38:44,844 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 41 [2019-09-16 16:38:45,354 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 47 [2019-09-16 16:38:46,277 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 36 [2019-09-16 16:38:46,729 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2019-09-16 16:38:47,071 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 32 [2019-09-16 16:38:47,533 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 31 [2019-09-16 16:38:48,427 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2019-09-16 16:38:48,768 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2019-09-16 16:38:49,743 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 55 [2019-09-16 16:38:51,059 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 182 DAG size of output: 55 [2019-09-16 16:38:51,447 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2019-09-16 16:38:51,877 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 37 [2019-09-16 16:38:52,005 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2019-09-16 16:38:52,236 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2019-09-16 16:38:52,524 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-09-16 16:38:52,572 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-09-16 16:38:52,572 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2019-09-16 16:38:52,572 INFO L443 ceAbstractionStarter]: For program point L665(line 665) no Hoare annotation was computed. [2019-09-16 16:38:52,572 INFO L443 ceAbstractionStarter]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L686(lines 663 687) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L747(lines 720 748) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2019-09-16 16:38:52,573 INFO L443 ceAbstractionStarter]: For program point L740(line 740) no Hoare annotation was computed. [2019-09-16 16:38:52,574 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-09-16 16:38:52,574 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2019-09-16 16:38:52,574 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2019-09-16 16:38:52,574 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2019-09-16 16:38:52,574 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2019-09-16 16:38:52,574 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2019-09-16 16:38:52,574 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,574 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2019-09-16 16:38:52,574 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2019-09-16 16:38:52,575 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 0))) (.cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (not (= ~waterLevel~0 2))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse3) (or .cse6 .cse4 .cse5 .cse7 .cse3) (or .cse4 .cse0 .cse1 .cse8 .cse3) (or (or .cse0 .cse7) (or .cse6 .cse4 .cse3) .cse8) (or .cse6 .cse4 .cse7 .cse2 .cse3))) [2019-09-16 16:38:52,575 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-09-16 16:38:52,575 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2019-09-16 16:38:52,575 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2019-09-16 16:38:52,575 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= ~waterLevel~0 0))) (.cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (not .cse3)) (.cse8 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse7 .cse4) (or .cse5 .cse8 .cse4) (or .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse3 .cse9 .cse4) (or .cse5 .cse6 .cse9 .cse7 .cse4) (or .cse1 .cse6 .cse8 .cse4) (or .cse1 .cse6 .cse9 .cse4)))) [2019-09-16 16:38:52,575 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2019-09-16 16:38:52,575 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-09-16 16:38:52,576 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2019-09-16 16:38:52,576 INFO L439 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not (= ~waterLevel~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse10 (not .cse6)) (.cse8 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse7 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse0 .cse8 .cse7 .cse9 .cse10 .cse2) (or .cse4 .cse5 .cse7 .cse8 .cse2) (or .cse7 .cse4 .cse8 .cse9 .cse2) (or .cse5 .cse0 .cse8 .cse10 .cse7 .cse2) (or .cse4 .cse8 .cse1 .cse2) (or .cse3 .cse7 .cse4 .cse6 .cse9 .cse2)))) [2019-09-16 16:38:52,576 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2019-09-16 16:38:52,576 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-09-16 16:38:52,576 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-09-16 16:38:52,576 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2019-09-16 16:38:52,576 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-09-16 16:38:52,577 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-09-16 16:38:52,577 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,577 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,577 INFO L439 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,577 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-09-16 16:38:52,577 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2019-09-16 16:38:52,577 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2019-09-16 16:38:52,578 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-09-16 16:38:52,578 INFO L439 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,578 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,578 INFO L439 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,578 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-09-16 16:38:52,579 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2019-09-16 16:38:52,580 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 446) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point L438-2(lines 438 446) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 431 466) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2019-09-16 16:38:52,581 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 458) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 933) no Hoare annotation was computed. [2019-09-16 16:38:52,582 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2019-09-16 16:38:52,583 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-09-16 16:38:52,583 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2019-09-16 16:38:52,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2019-09-16 16:38:52,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2019-09-16 16:38:52,583 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,583 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2019-09-16 16:38:52,583 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2019-09-16 16:38:52,584 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,584 INFO L446 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2019-09-16 16:38:52,584 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2019-09-16 16:38:52,584 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-09-16 16:38:52,584 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2019-09-16 16:38:52,584 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2019-09-16 16:38:52,584 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~waterLevel~0 0)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2019-09-16 16:38:52,585 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2019-09-16 16:38:52,585 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2019-09-16 16:38:52,585 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-09-16 16:38:52,585 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-09-16 16:38:52,585 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-09-16 16:38:52,585 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-09-16 16:38:52,585 INFO L439 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (let ((.cse4 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse3) (or (or .cse0 .cse2 .cse3) .cse6) (or .cse5 .cse2 .cse6 .cse4 .cse3) (or .cse0 .cse2 (not (= ~waterLevel~0 2)) .cse3) (or .cse7 .cse5 .cse2 .cse6 .cse3) (or .cse1 .cse7 .cse5 .cse2 .cse3))) [2019-09-16 16:38:52,586 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse5 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse3) (or .cse5 .cse1 .cse4 .cse2 .cse3) (or (or .cse0 .cse2 .cse3) .cse6) (or .cse1 .cse4 .cse2 .cse7 .cse3) (or .cse0 .cse2 (not (= ~waterLevel~0 2)) .cse3) (or .cse4 .cse2 .cse6 .cse7 .cse3))) [2019-09-16 16:38:52,586 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2019-09-16 16:38:52,586 INFO L439 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse2 .cse4 .cse3) (or .cse0 .cse2 (not (= ~waterLevel~0 2)) .cse3) (or .cse1 .cse5 .cse6 .cse2 .cse3))) [2019-09-16 16:38:52,586 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-09-16 16:38:52,586 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2019-09-16 16:38:52,586 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2019-09-16 16:38:52,586 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2)) .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse4))) [2019-09-16 16:38:52,587 INFO L439 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2)) .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse6 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse4))) [2019-09-16 16:38:52,587 INFO L443 ceAbstractionStarter]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2019-09-16 16:38:52,587 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2019-09-16 16:38:52,587 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2019-09-16 16:38:52,587 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,587 INFO L439 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,587 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2019-09-16 16:38:52,588 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2019-09-16 16:38:52,588 INFO L439 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse11 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~systemActive~0))) (let ((.cse9 (and (not .cse11) .cse2 .cse12 .cse7)) (.cse10 (and .cse11 .cse2 .cse12 .cse7)) (.cse8 (= ~pumpRunning~0 1))) (let ((.cse1 (and .cse10 .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~waterLevel~0 0)) (.cse0 (= ~waterLevel~0 1)) (.cse5 (and .cse8 .cse9)) (.cse6 (= ~waterLevel~0 2))) (or (and .cse0 .cse1) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (and .cse4 .cse5) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse2 .cse3) .cse6) (not .cse7) (and .cse6 .cse8 .cse9) (and .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse4) (and .cse0 .cse5) (and .cse10 .cse6 .cse8) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2019-09-16 16:38:52,588 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2019-09-16 16:38:52,588 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2019-09-16 16:38:52,588 INFO L439 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse1 (and (and .cse5 .cse2 (<= ~waterLevel~0 2)) .cse9)) (.cse6 (= ~waterLevel~0 0)) (.cse4 (= ~waterLevel~0 2)) (.cse0 (= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1) (and (and .cse2 .cse3) .cse4) (and .cse5 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (and .cse1 .cse6) (and .cse7 .cse2 .cse3 .cse6) (and .cse8 (not .cse5) .cse2 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse4 .cse9) (and .cse0 (or (and .cse7 .cse2 .cse3) (and .cse8 .cse2 .cse3))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))))) [2019-09-16 16:38:52,588 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-09-16 16:38:52,588 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2019-09-16 16:38:52,589 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse7 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 test_~splverifierCounter~0))) (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (and .cse7 (and .cse3 (not (= ~switchedOnBeforeTS~0 0))) (<= ~waterLevel~0 1))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~waterLevel~0 0))) (or (and .cse0 (= ~waterLevel~0 1) .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse4 (and .cse3 (= 1 ~waterLevel~0))) (and (and .cse2 .cse3) .cse6 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse6 .cse1) (and (and (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (not .cse7)) .cse4) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse1) .cse5) (not (<= 1 ~systemActive~0))))) [2019-09-16 16:38:52,589 INFO L439 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= ~waterLevel~0 0)) (.cse1 (= ~waterLevel~0 1)) (.cse8 (let ((.cse10 (<= ~waterLevel~0 1))) (or (and .cse5 .cse4 .cse2 .cse10 .cse9) (and .cse4 .cse10 (and (not (= 1 ~waterLevel~0)) .cse2 (not (= ~switchedOnBeforeTS~0 0)) .cse9))))) (.cse6 (= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse5 .cse2 .cse3 .cse7) (and .cse0 (not .cse4) .cse2 .cse3 .cse7) (and .cse5 .cse2 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse8 .cse7) (and .cse1 .cse8) (and .cse2 .cse6 .cse9) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))))) [2019-09-16 16:38:52,589 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-09-16 16:38:52,589 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-09-16 16:38:52,589 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-09-16 16:38:52,589 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2019-09-16 16:38:52,589 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 887) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-09-16 16:38:52,590 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 553 562) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 553 562) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 553 562) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 856) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-09-16 16:38:52,591 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L827(lines 805 828) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 802) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L807(lines 806 826) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-09-16 16:38:52,592 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-09-16 16:38:52,593 INFO L443 ceAbstractionStarter]: For program point L803(lines 803 844) no Hoare annotation was computed. [2019-09-16 16:38:52,593 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,593 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:38:52,593 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,593 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2019-09-16 16:38:52,593 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2019-09-16 16:38:52,593 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:38:52,593 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2019-09-16 16:38:52,594 INFO L446 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-09-16 16:38:52,594 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2019-09-16 16:38:52,594 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2019-09-16 16:38:52,595 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-09-16 16:38:52,595 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse16 (<= 1 ~systemActive~0)) (.cse9 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse15 (<= ~waterLevel~0 2)) (.cse2 (not .cse9)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not .cse16))) (let ((.cse1 (or .cse4 .cse7)) (.cse10 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse12 (or (not .cse15) .cse7 .cse2)) (.cse11 (and .cse0 .cse15 .cse16)) (.cse14 (not (= ~waterLevel~0 1))) (.cse13 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 2))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse8 (not .cse0))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2 .cse7) (or .cse8 (or .cse1 .cse9) .cse3) (or .cse10 .cse8 .cse4 .cse5 .cse9 .cse7) (or .cse11 .cse5 .cse12 .cse13) (or .cse4 .cse9 .cse8 .cse6 .cse14 .cse7) (or .cse10 .cse4 .cse9 .cse8 .cse14 .cse7) (or .cse12 .cse13 .cse14 .cse11) (or (or .cse2 (or .cse13 .cse7)) .cse0 .cse3) (or .cse0 .cse4 .cse14 .cse2 .cse7) (or .cse9 .cse13 .cse8 .cse3 .cse7) (or .cse4 .cse5 .cse9 .cse6 .cse7 .cse8))))) [2019-09-16 16:38:52,595 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-09-16 16:38:52,595 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,595 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,595 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,595 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-09-16 16:38:52,595 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-09-16 16:38:52,596 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-09-16 16:38:52,596 INFO L439 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~systemActive~0)))) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse9 (or .cse13 .cse12 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 0))) (.cse0 (or .cse12 .cse8 (not .cse13))) (.cse11 (and .cse4 .cse2 (= ~waterLevel~0 0))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse8) (or (and .cse4 .cse2 .cse3) .cse9 .cse1 .cse5) (or (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse1 .cse10 .cse8) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse6 .cse7 .cse8) (or (or .cse6 .cse8) .cse10) (or .cse7 .cse11 .cse9 .cse1) (or .cse7 .cse0 .cse11 .cse1) (or .cse6 .cse5 .cse8)))) [2019-09-16 16:38:52,596 INFO L443 ceAbstractionStarter]: For program point L316(lines 312 334) no Hoare annotation was computed. [2019-09-16 16:38:52,596 INFO L443 ceAbstractionStarter]: For program point L314(lines 312 334) no Hoare annotation was computed. [2019-09-16 16:38:52,596 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse20 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 1 ~systemActive~0))) (.cse19 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (or .cse20 .cse9 (not .cse19))) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse16 (and .cse4 .cse12)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse18 (or (= 1 ~waterLevel~0) .cse4)) (.cse17 (or .cse19 .cse20 .cse9)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= |old(~waterLevel~0)| 0))) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (= ~waterLevel~0 0)) (.cse14 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or (or .cse5 .cse6) (or .cse7 .cse8 .cse9) .cse10) (or .cse7 .cse8 .cse11 (and .cse6 .cse12 .cse13) .cse9) (or .cse8 .cse5 .cse14 .cse2 .cse9) (or .cse5 .cse1 .cse14 .cse2 .cse9) (or (and .cse15 .cse13) .cse11 .cse0 .cse1) (or .cse8 .cse5 .cse14 .cse10 .cse9) (or (or .cse1 .cse9) (and .cse15 (= 2 ~waterLevel~0)) .cse10) (or .cse7 .cse8 .cse6 .cse2 .cse9) (or .cse16 .cse8 .cse2 .cse9) (or .cse17 .cse1 .cse2 (and .cse3 .cse18)) (or .cse16 (or .cse8 .cse9) .cse10) (or .cse11 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse18) .cse17 .cse1) (or .cse8 .cse11 (and .cse5 .cse12 .cse13) .cse14 .cse9)))) [2019-09-16 16:38:52,597 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2019-09-16 16:38:52,597 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2019-09-16 16:38:52,597 INFO L439 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 0)) (.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 1 ~systemActive~0))) (.cse13 (= ~pumpRunning~0 1)) (.cse14 (= ~waterLevel~0 0)) (.cse19 (= 0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse12 .cse17 .cse18)) (.cse7 (not .cse19)) (.cse11 (and .cse12 .cse17 .cse18 .cse14 .cse19)) (.cse2 (and .cse12 (= ~waterLevel~0 1) .cse13)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (or .cse16 .cse15 .cse9)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 0))) (.cse10 (or .cse15 .cse9 (not .cse16))) (.cse5 (and .cse12 .cse13 .cse14)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 (or .cse7 .cse9) .cse3) (or .cse5 .cse10 .cse1 .cse8) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse7 .cse4 .cse11 .cse9) (or .cse7 .cse4 .cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse9) (or .cse10 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse8) (or .cse4 .cse10 .cse5 .cse1)))) [2019-09-16 16:38:52,597 INFO L439 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse16 (= ~pumpRunning~0 1)) (.cse15 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= 0 |old(~pumpRunning~0)|)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse20 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse19 (= ~waterLevel~0 0))) (let ((.cse8 (and .cse3 .cse4 .cse19)) (.cse7 (or .cse0 .cse20 .cse2)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse14 (and .cse15 .cse17 .cse4 .cse19 .cse18)) (.cse6 (not (= |old(~waterLevel~0)| 0))) (.cse13 (or .cse20 .cse2 (not .cse0))) (.cse12 (and .cse15 .cse16 .cse19)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse15 .cse17 .cse4)) (.cse10 (not .cse18)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 (= 1 ~waterLevel~0) .cse4) .cse5) (or .cse6 .cse7 .cse1 .cse8) (or .cse9 .cse10 .cse11 .cse2) (or .cse12 .cse13 .cse1 .cse11) (or .cse8 .cse7 .cse1 .cse11) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse10 .cse6 .cse14 .cse2) (or .cse10 .cse6 .cse14 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse2) (or .cse13 .cse1 (and .cse15 (= ~waterLevel~0 1) .cse16) .cse5) (or .cse6 .cse13 .cse12 .cse1) (or .cse9 (and .cse16 .cse17) (or .cse10 .cse2) .cse5)))) [2019-09-16 16:38:52,598 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2019-09-16 16:38:52,598 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2019-09-16 16:38:52,598 INFO L446 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2019-09-16 16:38:52,598 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-09-16 16:38:52,598 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-09-16 16:38:52,598 INFO L446 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2019-09-16 16:38:52,598 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-09-16 16:38:52,598 INFO L446 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2019-09-16 16:38:52,598 INFO L446 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2019-09-16 16:38:52,598 INFO L443 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2019-09-16 16:38:52,599 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or (not (= |old(~waterLevel~0)| 0)) (= ~waterLevel~0 0) (or .cse0 .cse1 .cse2)) (or (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))) .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2019-09-16 16:38:52,599 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-09-16 16:38:52,599 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-09-16 16:38:52,599 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2019-09-16 16:38:52,599 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2019-09-16 16:38:52,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,599 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-09-16 16:38:52,600 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:38:52,600 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:38:52,600 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2)) .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse2 .cse3 .cse8 .cse6 .cse4))) [2019-09-16 16:38:52,600 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2019-09-16 16:38:52,600 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2)) .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse6 .cse2 .cse3 .cse7 .cse4))) [2019-09-16 16:38:52,600 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-09-16 16:38:52,600 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2019-09-16 16:38:52,601 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2019-09-16 16:38:52,601 INFO L439 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse6 .cse3) (or (or .cse0 .cse2 .cse3) .cse7) (or .cse0 .cse2 (not (= ~waterLevel~0 2)) .cse3) (or .cse5 .cse2 .cse7 .cse6 .cse4 .cse3))) [2019-09-16 16:38:52,601 INFO L443 ceAbstractionStarter]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2019-09-16 16:38:52,601 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse3 .cse4) .cse2 .cse5) (or .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2)) .cse4) (or .cse1 .cse6 .cse3 .cse7 .cse4) (or .cse6 .cse3 .cse5 .cse7 .cse4))) [2019-09-16 16:38:52,601 INFO L439 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 0) .cse0 .cse2 (not (= ~waterLevel~0 2)) .cse3) (or (or .cse0 .cse2 .cse3) .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse5 .cse2 .cse4 .cse6 .cse3))) [2019-09-16 16:38:52,601 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-09-16 16:38:52,601 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-09-16 16:38:52,602 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse10 (not (= 0 ~pumpRunning~0))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse9 (not (<= 1 ~systemActive~0))) (.cse12 (not (= 1 ~pumpRunning~0)))) (let ((.cse1 (or .cse9 (= 0 ~switchedOnBeforeTS~0) .cse12)) (.cse2 (not .cse11)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~waterLevel~0)| 0))) (.cse3 (= ~waterLevel~0 0)) (.cse6 (or .cse10 .cse9)) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse7 .cse4 .cse8) (or .cse4 .cse9 .cse10 .cse5) (or .cse0 .cse3 (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse11 .cse6)) (or .cse9 .cse4 .cse12 .cse8) (or .cse0 .cse3 .cse6 .cse7)))) [2019-09-16 16:38:52,602 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2019-09-16 16:38:52,602 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-09-16 16:38:52,602 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2019-09-16 16:38:52,602 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2019-09-16 16:38:52,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:38:52 BoogieIcfgContainer [2019-09-16 16:38:52,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:38:52,624 INFO L168 Benchmark]: Toolchain (without parser) took 43711.26 ms. Allocated memory was 132.6 MB in the beginning and 846.7 MB in the end (delta: 714.1 MB). Free memory was 87.1 MB in the beginning and 526.2 MB in the end (delta: -439.2 MB). Peak memory consumption was 735.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:38:52,625 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:38:52,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.68 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 164.0 MB in the end (delta: -77.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:38:52,626 INFO L168 Benchmark]: Boogie Preprocessor took 97.25 ms. Allocated memory is still 199.8 MB. Free memory was 164.0 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:38:52,627 INFO L168 Benchmark]: RCFGBuilder took 1356.60 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 159.6 MB in the beginning and 192.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:38:52,628 INFO L168 Benchmark]: TraceAbstraction took 41598.24 ms. Allocated memory was 223.3 MB in the beginning and 846.7 MB in the end (delta: 623.4 MB). Free memory was 192.3 MB in the beginning and 526.2 MB in the end (delta: -333.9 MB). Peak memory consumption was 749.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:38:52,633 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.68 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 164.0 MB in the end (delta: -77.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.25 ms. Allocated memory is still 199.8 MB. Free memory was 164.0 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1356.60 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 159.6 MB in the beginning and 192.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41598.24 ms. Allocated memory was 223.3 MB in the beginning and 846.7 MB in the end (delta: 623.4 MB). Free memory was 192.3 MB in the beginning and 526.2 MB in the end (delta: -333.9 MB). Peak memory consumption was 749.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((((((((((1 <= switchedOnBeforeTS && waterLevel == 1) && 0 == splverifierCounter) && pumpRunning == 0) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && \old(waterLevel) == waterLevel) && pumpRunning == 0)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel == 0)) || ((((1 <= switchedOnBeforeTS && !(0 == methaneLevelCritical)) && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel == 0)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || ((((((pumpRunning == switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 1) || ((0 == methaneLevelCritical && waterLevel <= 1) && ((!(1 == waterLevel) && 0 == splverifierCounter) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1)) && waterLevel == 0)) || (waterLevel == 1 && (((((pumpRunning == switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 1) || ((0 == methaneLevelCritical && waterLevel <= 1) && ((!(1 == waterLevel) && 0 == splverifierCounter) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1)))) || ((0 == splverifierCounter && waterLevel == 2) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. SAFE Result, 41.4s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 17.0s AutomataDifference, 0.0s DeadEndRemovalTime, 17.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2871 SDtfs, 4621 SDslu, 8456 SDs, 0 SdLazy, 13369 SolverSat, 2913 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1699 GetRequests, 1454 SyntacticMatches, 11 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1748 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2009occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 1540 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3378 PreInvPairs, 3595 NumberOfFragments, 4341 HoareAnnotationTreeSize, 3378 FomulaSimplifications, 87210 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 68024 FormulaSimplificationTreeSizeReductionInter, 15.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 3453 NumberOfCodeBlocks, 3453 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3434 ConstructedInterpolants, 0 QuantifiedInterpolants, 1450140 SizeOfPredicates, 23 NumberOfNonLiveVariables, 5994 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2669/2963 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...