/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:05:46,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:05:46,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:05:46,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:05:46,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:05:46,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:05:46,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:05:46,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:05:46,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:05:46,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:05:46,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:05:46,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:05:46,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:05:46,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:05:46,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:05:46,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:05:46,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:05:46,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:05:46,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:05:46,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:05:46,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:05:46,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:05:46,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:05:46,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:05:46,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:05:46,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:05:46,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:05:46,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:05:46,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:05:46,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:05:46,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:05:46,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:05:46,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:05:46,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:05:46,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:05:46,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:05:46,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:05:46,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:05:46,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:05:46,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:05:46,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:05:46,751 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 [2020-07-19 21:05:46,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:05:46,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:05:46,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:05:46,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:05:46,774 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:05:46,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:05:46,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:05:46,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:05:46,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:05:46,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:05:46,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:05:46,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:05:46,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:05:46,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:05:46,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:05:46,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:05:46,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:05:46,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:05:46,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:05:46,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:05:46,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:05:46,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:46,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:05:46,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:05:46,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:05:46,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:05:46,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:05:46,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:05:46,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:05:46,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:05:47,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:05:47,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:05:47,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:05:47,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:05:47,100 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:05:47,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-07-19 21:05:47,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b585ab68/3f9c3627819e4bcfb9e861efe5075dc3/FLAG7a9d85d79 [2020-07-19 21:05:47,705 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:05:47,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-07-19 21:05:47,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b585ab68/3f9c3627819e4bcfb9e861efe5075dc3/FLAG7a9d85d79 [2020-07-19 21:05:47,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b585ab68/3f9c3627819e4bcfb9e861efe5075dc3 [2020-07-19 21:05:47,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:05:47,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:05:47,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:47,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:05:47,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:05:48,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:47" (1/1) ... [2020-07-19 21:05:48,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3c43d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48, skipping insertion in model container [2020-07-19 21:05:48,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:47" (1/1) ... [2020-07-19 21:05:48,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:05:48,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:05:48,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:48,447 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:05:48,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:48,680 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:05:48,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48 WrapperNode [2020-07-19 21:05:48,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:48,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:05:48,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:05:48,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:05:48,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (1/1) ... [2020-07-19 21:05:48,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:05:48,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:05:48,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:05:48,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:05:48,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (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 [2020-07-19 21:05:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:05:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:05:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:05:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:05:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:05:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:05:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:05:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:05:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:05:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:05:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:05:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:05:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:05:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:05:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:05:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:05:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:05:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:05:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:05:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:05:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:05:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:05:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:05:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:05:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:05:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:05:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:05:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:05:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:05:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:05:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:05:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:05:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:05:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:05:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:05:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:05:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:05:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:05:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:05:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:05:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:05:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:05:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:05:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:05:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:05:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:05:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:05:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:05:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:05:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:05:49,895 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:05:49,896 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:05:49,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:49 BoogieIcfgContainer [2020-07-19 21:05:49,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:05:49,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:05:49,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:05:49,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:05:49,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:05:47" (1/3) ... [2020-07-19 21:05:49,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c2d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:49, skipping insertion in model container [2020-07-19 21:05:49,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:48" (2/3) ... [2020-07-19 21:05:49,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c2d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:49, skipping insertion in model container [2020-07-19 21:05:49,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:49" (3/3) ... [2020-07-19 21:05:49,909 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-07-19 21:05:49,920 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:05:49,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:05:49,941 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:05:49,967 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:05:49,967 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:05:49,967 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:05:49,967 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:05:49,968 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:05:49,968 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:05:49,968 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:05:49,968 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:05:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-19 21:05:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:05:50,001 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:50,002 INFO L422 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] [2020-07-19 21:05:50,003 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:50,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:50,009 INFO L82 PathProgramCache]: Analyzing trace with hash -587014934, now seen corresponding path program 1 times [2020-07-19 21:05:50,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:50,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755055283] [2020-07-19 21:05:50,020 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:05:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,677 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:50,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755055283] [2020-07-19 21:05:50,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:50,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:05:50,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874020523] [2020-07-19 21:05:50,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:05:50,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:50,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:05:50,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:50,835 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-07-19 21:05:51,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:51,984 INFO L93 Difference]: Finished difference Result 315 states and 403 transitions. [2020-07-19 21:05:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:05:51,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:05:51,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:52,001 INFO L225 Difference]: With dead ends: 315 [2020-07-19 21:05:52,002 INFO L226 Difference]: Without dead ends: 173 [2020-07-19 21:05:52,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-19 21:05:52,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 143. [2020-07-19 21:05:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-19 21:05:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-07-19 21:05:52,100 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 59 [2020-07-19 21:05:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:52,101 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-07-19 21:05:52,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:05:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-07-19 21:05:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:05:52,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:52,106 INFO L422 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] [2020-07-19 21:05:52,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:05:52,107 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:52,107 INFO L82 PathProgramCache]: Analyzing trace with hash 272490530, now seen corresponding path program 1 times [2020-07-19 21:05:52,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:52,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581472877] [2020-07-19 21:05:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:05:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,505 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:52,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581472877] [2020-07-19 21:05:52,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:52,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:52,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767556897] [2020-07-19 21:05:52,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:52,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:52,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:52,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:52,603 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 9 states. [2020-07-19 21:05:53,092 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:53,425 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:53,667 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:53,891 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:55,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:55,257 INFO L93 Difference]: Finished difference Result 288 states and 358 transitions. [2020-07-19 21:05:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:05:55,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:05:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:55,262 INFO L225 Difference]: With dead ends: 288 [2020-07-19 21:05:55,263 INFO L226 Difference]: Without dead ends: 173 [2020-07-19 21:05:55,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:05:55,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-19 21:05:55,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 143. [2020-07-19 21:05:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-19 21:05:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-07-19 21:05:55,308 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 64 [2020-07-19 21:05:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:55,309 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-07-19 21:05:55,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-07-19 21:05:55,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-19 21:05:55,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:55,312 INFO L422 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] [2020-07-19 21:05:55,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:05:55,313 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:55,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:55,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1080536843, now seen corresponding path program 1 times [2020-07-19 21:05:55,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:55,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20986554] [2020-07-19 21:05:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:05:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,637 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:55,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20986554] [2020-07-19 21:05:55,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:55,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:05:55,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370996937] [2020-07-19 21:05:55,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:05:55,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:55,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:05:55,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:55,767 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 7 states. [2020-07-19 21:05:56,108 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:57,583 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:58,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:58,094 INFO L93 Difference]: Finished difference Result 433 states and 561 transitions. [2020-07-19 21:05:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:05:58,095 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-19 21:05:58,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:58,101 INFO L225 Difference]: With dead ends: 433 [2020-07-19 21:05:58,101 INFO L226 Difference]: Without dead ends: 318 [2020-07-19 21:05:58,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:05:58,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-19 21:05:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 257. [2020-07-19 21:05:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-07-19 21:05:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 306 transitions. [2020-07-19 21:05:58,189 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 306 transitions. Word has length 77 [2020-07-19 21:05:58,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:58,190 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 306 transitions. [2020-07-19 21:05:58,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:05:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 306 transitions. [2020-07-19 21:05:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-19 21:05:58,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:58,192 INFO L422 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] [2020-07-19 21:05:58,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:05:58,193 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:58,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:58,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1912690952, now seen corresponding path program 1 times [2020-07-19 21:05:58,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:58,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118160033] [2020-07-19 21:05:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:05:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,508 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:05:58,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118160033] [2020-07-19 21:05:58,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:58,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:58,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037582979] [2020-07-19 21:05:58,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:58,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:58,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:58,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:58,648 INFO L87 Difference]: Start difference. First operand 257 states and 306 transitions. Second operand 9 states. [2020-07-19 21:05:59,047 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:59,653 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:00,641 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:00,913 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:01,326 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:01,575 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:02,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:02,139 INFO L93 Difference]: Finished difference Result 536 states and 678 transitions. [2020-07-19 21:06:02,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:06:02,140 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-07-19 21:06:02,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:02,145 INFO L225 Difference]: With dead ends: 536 [2020-07-19 21:06:02,145 INFO L226 Difference]: Without dead ends: 307 [2020-07-19 21:06:02,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:06:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-07-19 21:06:02,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 256. [2020-07-19 21:06:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-07-19 21:06:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 303 transitions. [2020-07-19 21:06:02,199 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 303 transitions. Word has length 91 [2020-07-19 21:06:02,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:02,200 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 303 transitions. [2020-07-19 21:06:02,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 303 transitions. [2020-07-19 21:06:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 21:06:02,202 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:02,203 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:02,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:06:02,203 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:02,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:02,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1692072858, now seen corresponding path program 1 times [2020-07-19 21:06:02,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:02,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335919153] [2020-07-19 21:06:02,204 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,470 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:02,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335919153] [2020-07-19 21:06:02,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:02,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 21:06:02,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005705291] [2020-07-19 21:06:02,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:06:02,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:02,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:06:02,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:06:02,680 INFO L87 Difference]: Start difference. First operand 256 states and 303 transitions. Second operand 10 states. [2020-07-19 21:06:03,757 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:04,400 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:04,650 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:04,903 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:05,152 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:05,961 INFO L93 Difference]: Finished difference Result 498 states and 618 transitions. [2020-07-19 21:06:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 21:06:05,964 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-19 21:06:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:05,966 INFO L225 Difference]: With dead ends: 498 [2020-07-19 21:06:05,966 INFO L226 Difference]: Without dead ends: 270 [2020-07-19 21:06:05,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:06:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-07-19 21:06:06,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 231. [2020-07-19 21:06:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-19 21:06:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2020-07-19 21:06:06,003 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 103 [2020-07-19 21:06:06,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:06,003 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2020-07-19 21:06:06,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:06:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2020-07-19 21:06:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:06:06,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:06,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:06,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:06:06,006 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:06,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:06,006 INFO L82 PathProgramCache]: Analyzing trace with hash 304023506, now seen corresponding path program 1 times [2020-07-19 21:06:06,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:06,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715581693] [2020-07-19 21:06:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,258 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:06,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715581693] [2020-07-19 21:06:06,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:06,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:06:06,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823700617] [2020-07-19 21:06:06,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:06:06,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:06,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:06:06,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:06:06,422 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 11 states. [2020-07-19 21:06:07,031 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:07,299 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:07,530 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:08,180 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:08,431 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:08,682 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:09,612 INFO L93 Difference]: Finished difference Result 478 states and 578 transitions. [2020-07-19 21:06:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:06:09,613 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-19 21:06:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:09,618 INFO L225 Difference]: With dead ends: 478 [2020-07-19 21:06:09,618 INFO L226 Difference]: Without dead ends: 275 [2020-07-19 21:06:09,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:06:09,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-19 21:06:09,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 235. [2020-07-19 21:06:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-07-19 21:06:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 265 transitions. [2020-07-19 21:06:09,685 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 265 transitions. Word has length 107 [2020-07-19 21:06:09,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:09,688 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 265 transitions. [2020-07-19 21:06:09,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:06:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2020-07-19 21:06:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:06:09,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:09,690 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:09,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:06:09,693 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:09,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:09,694 INFO L82 PathProgramCache]: Analyzing trace with hash 63483377, now seen corresponding path program 1 times [2020-07-19 21:06:09,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:09,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767363744] [2020-07-19 21:06:09,695 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:09,988 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:10,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767363744] [2020-07-19 21:06:10,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:10,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:06:10,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417320059] [2020-07-19 21:06:10,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:06:10,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:10,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:06:10,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:06:10,174 INFO L87 Difference]: Start difference. First operand 235 states and 265 transitions. Second operand 7 states. [2020-07-19 21:06:10,893 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:11,442 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:13,179 INFO L93 Difference]: Finished difference Result 647 states and 802 transitions. [2020-07-19 21:06:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:06:13,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-07-19 21:06:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:13,183 INFO L225 Difference]: With dead ends: 647 [2020-07-19 21:06:13,183 INFO L226 Difference]: Without dead ends: 440 [2020-07-19 21:06:13,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:06:13,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-07-19 21:06:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 402. [2020-07-19 21:06:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-19 21:06:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 469 transitions. [2020-07-19 21:06:13,255 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 469 transitions. Word has length 107 [2020-07-19 21:06:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:13,256 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 469 transitions. [2020-07-19 21:06:13,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:06:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 469 transitions. [2020-07-19 21:06:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-19 21:06:13,258 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:13,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:13,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:06:13,258 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:13,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:13,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1148604343, now seen corresponding path program 1 times [2020-07-19 21:06:13,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:13,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341608740] [2020-07-19 21:06:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,648 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:13,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341608740] [2020-07-19 21:06:13,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:13,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:06:13,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143293692] [2020-07-19 21:06:13,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:06:13,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:13,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:06:13,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:06:13,861 INFO L87 Difference]: Start difference. First operand 402 states and 469 transitions. Second operand 12 states. [2020-07-19 21:06:14,795 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:15,414 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:16,382 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:16,682 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:16,931 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:17,195 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:17,450 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:18,693 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:18,944 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:19,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:19,746 INFO L93 Difference]: Finished difference Result 1110 states and 1376 transitions. [2020-07-19 21:06:19,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:06:19,747 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-19 21:06:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:19,753 INFO L225 Difference]: With dead ends: 1110 [2020-07-19 21:06:19,754 INFO L226 Difference]: Without dead ends: 806 [2020-07-19 21:06:19,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:06:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-07-19 21:06:19,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 696. [2020-07-19 21:06:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-07-19 21:06:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 804 transitions. [2020-07-19 21:06:19,920 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 804 transitions. Word has length 111 [2020-07-19 21:06:19,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:19,923 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 804 transitions. [2020-07-19 21:06:19,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:06:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 804 transitions. [2020-07-19 21:06:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-19 21:06:19,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:19,928 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:19,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:06:19,928 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:19,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:19,929 INFO L82 PathProgramCache]: Analyzing trace with hash 490171745, now seen corresponding path program 1 times [2020-07-19 21:06:19,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:19,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867420830] [2020-07-19 21:06:19,929 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,198 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-19 21:06:20,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867420830] [2020-07-19 21:06:20,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592803343] [2020-07-19 21:06:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:20,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:06:20,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:06:21,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:21,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:06:21,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63048461] [2020-07-19 21:06:21,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:06:21,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:21,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:06:21,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:06:21,014 INFO L87 Difference]: Start difference. First operand 696 states and 804 transitions. Second operand 20 states. [2020-07-19 21:06:21,833 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:22,188 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:22,475 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:22,745 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:23,378 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:23,671 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:24,068 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:24,878 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:25,604 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:26,460 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:06:26,736 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:27,073 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:27,657 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:28,057 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:28,644 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:06:29,353 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:29,636 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:30,231 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:30,859 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:06:31,134 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:31,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:31,425 INFO L93 Difference]: Finished difference Result 1523 states and 1821 transitions. [2020-07-19 21:06:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-19 21:06:31,432 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 170 [2020-07-19 21:06:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:31,438 INFO L225 Difference]: With dead ends: 1523 [2020-07-19 21:06:31,439 INFO L226 Difference]: Without dead ends: 921 [2020-07-19 21:06:31,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-19 21:06:31,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-19 21:06:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 826. [2020-07-19 21:06:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2020-07-19 21:06:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 963 transitions. [2020-07-19 21:06:31,601 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 963 transitions. Word has length 170 [2020-07-19 21:06:31,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:31,602 INFO L479 AbstractCegarLoop]: Abstraction has 826 states and 963 transitions. [2020-07-19 21:06:31,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:06:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 963 transitions. [2020-07-19 21:06:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-07-19 21:06:31,609 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:31,610 INFO L422 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, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:31,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:06:31,825 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:31,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:31,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1064646135, now seen corresponding path program 1 times [2020-07-19 21:06:31,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:31,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120772861] [2020-07-19 21:06:31,827 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,190 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-07-19 21:06:32,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120772861] [2020-07-19 21:06:32,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300467357] [2020-07-19 21:06:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:32,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:06:32,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 226 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-19 21:06:33,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:33,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-19 21:06:33,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121941254] [2020-07-19 21:06:33,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-19 21:06:33,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:33,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-19 21:06:33,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:06:33,365 INFO L87 Difference]: Start difference. First operand 826 states and 963 transitions. Second operand 25 states. [2020-07-19 21:06:34,423 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 21:06:35,354 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:36,065 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:37,058 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:06:37,614 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:06:38,126 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:06:38,377 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:38,705 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:38,989 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:42,483 INFO L93 Difference]: Finished difference Result 1972 states and 2593 transitions. [2020-07-19 21:06:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-19 21:06:42,484 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 299 [2020-07-19 21:06:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:42,491 INFO L225 Difference]: With dead ends: 1972 [2020-07-19 21:06:42,491 INFO L226 Difference]: Without dead ends: 1193 [2020-07-19 21:06:42,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 412 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=669, Invalid=3113, Unknown=0, NotChecked=0, Total=3782 [2020-07-19 21:06:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2020-07-19 21:06:42,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 868. [2020-07-19 21:06:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2020-07-19 21:06:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1005 transitions. [2020-07-19 21:06:42,643 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1005 transitions. Word has length 299 [2020-07-19 21:06:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:42,643 INFO L479 AbstractCegarLoop]: Abstraction has 868 states and 1005 transitions. [2020-07-19 21:06:42,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-19 21:06:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1005 transitions. [2020-07-19 21:06:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-07-19 21:06:42,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:42,650 INFO L422 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 21:06:42,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:06:42,864 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:42,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1882657169, now seen corresponding path program 1 times [2020-07-19 21:06:42,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:42,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811258833] [2020-07-19 21:06:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,157 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-07-19 21:06:43,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811258833] [2020-07-19 21:06:43,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466061086] [2020-07-19 21:06:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 21:06:43,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 264 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-07-19 21:06:44,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:44,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:06:44,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84966394] [2020-07-19 21:06:44,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:06:44,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:44,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:06:44,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:06:44,355 INFO L87 Difference]: Start difference. First operand 868 states and 1005 transitions. Second operand 22 states. [2020-07-19 21:06:45,771 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:06:46,388 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:46,900 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:47,423 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:48,449 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:49,786 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:50,329 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:50,886 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:51,578 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:52,434 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:52,695 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:53,333 INFO L93 Difference]: Finished difference Result 1693 states and 2028 transitions. [2020-07-19 21:06:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:06:53,334 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 315 [2020-07-19 21:06:53,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:53,340 INFO L225 Difference]: With dead ends: 1693 [2020-07-19 21:06:53,341 INFO L226 Difference]: Without dead ends: 938 [2020-07-19 21:06:53,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:06:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-07-19 21:06:53,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 868. [2020-07-19 21:06:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2020-07-19 21:06:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1002 transitions. [2020-07-19 21:06:53,537 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1002 transitions. Word has length 315 [2020-07-19 21:06:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:53,540 INFO L479 AbstractCegarLoop]: Abstraction has 868 states and 1002 transitions. [2020-07-19 21:06:53,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:06:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1002 transitions. [2020-07-19 21:06:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-07-19 21:06:53,546 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:53,547 INFO L422 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 21:06:53,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:06:53,762 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:53,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:53,763 INFO L82 PathProgramCache]: Analyzing trace with hash 360807099, now seen corresponding path program 1 times [2020-07-19 21:06:53,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:53,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825951251] [2020-07-19 21:06:53,764 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:06:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,108 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-19 21:06:54,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825951251] [2020-07-19 21:06:54,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211526837] [2020-07-19 21:06:54,517 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:06:54,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 193 proven. 16 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-19 21:06:55,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:55,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-19 21:06:55,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944306191] [2020-07-19 21:06:55,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:06:55,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:55,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:06:55,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:06:55,090 INFO L87 Difference]: Start difference. First operand 868 states and 1002 transitions. Second operand 22 states. [2020-07-19 21:06:55,632 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:56,390 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:56,696 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:57,065 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:58,547 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:58,936 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:59,252 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:59,533 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:59,897 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:00,178 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:02,014 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:02,323 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:02,597 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:02,859 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:03,349 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:07:03,604 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:04,073 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:07:04,329 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:04,870 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:07:05,362 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:07:06,164 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:06,471 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:06,759 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:07,043 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:07,304 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:07,559 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:08,094 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:08,366 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:08,876 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:09,132 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:09,646 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:07:10,127 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:07:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:13,771 INFO L93 Difference]: Finished difference Result 3187 states and 4085 transitions. [2020-07-19 21:07:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-07-19 21:07:13,772 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 316 [2020-07-19 21:07:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:13,786 INFO L225 Difference]: With dead ends: 3187 [2020-07-19 21:07:13,786 INFO L226 Difference]: Without dead ends: 2355 [2020-07-19 21:07:13,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 434 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3967 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=2029, Invalid=9527, Unknown=0, NotChecked=0, Total=11556 [2020-07-19 21:07:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2020-07-19 21:07:14,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 1897. [2020-07-19 21:07:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2020-07-19 21:07:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2153 transitions. [2020-07-19 21:07:14,246 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2153 transitions. Word has length 316 [2020-07-19 21:07:14,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:14,248 INFO L479 AbstractCegarLoop]: Abstraction has 1897 states and 2153 transitions. [2020-07-19 21:07:14,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:07:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2153 transitions. [2020-07-19 21:07:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-19 21:07:14,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:14,255 INFO L422 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, 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, 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] [2020-07-19 21:07:14,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:14,469 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:14,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1090467431, now seen corresponding path program 1 times [2020-07-19 21:07:14,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:14,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222042931] [2020-07-19 21:07:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:07:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,768 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2020-07-19 21:07:15,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222042931] [2020-07-19 21:07:15,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276028080] [2020-07-19 21:07:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 21:07:15,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-19 21:07:15,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:07:15,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 21:07:15,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139999523] [2020-07-19 21:07:15,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:07:15,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:15,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:07:15,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:07:15,937 INFO L87 Difference]: Start difference. First operand 1897 states and 2153 transitions. Second operand 8 states. [2020-07-19 21:07:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:16,529 INFO L93 Difference]: Finished difference Result 3512 states and 4004 transitions. [2020-07-19 21:07:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:07:16,530 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 388 [2020-07-19 21:07:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:16,540 INFO L225 Difference]: With dead ends: 3512 [2020-07-19 21:07:16,540 INFO L226 Difference]: Without dead ends: 1803 [2020-07-19 21:07:16,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 515 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:07:16,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-07-19 21:07:16,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1790. [2020-07-19 21:07:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1790 states. [2020-07-19 21:07:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2027 transitions. [2020-07-19 21:07:16,946 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2027 transitions. Word has length 388 [2020-07-19 21:07:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:16,947 INFO L479 AbstractCegarLoop]: Abstraction has 1790 states and 2027 transitions. [2020-07-19 21:07:16,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:07:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2027 transitions. [2020-07-19 21:07:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-07-19 21:07:16,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:16,954 INFO L422 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:17,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:07:17,169 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:17,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:17,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1218192947, now seen corresponding path program 1 times [2020-07-19 21:07:17,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:17,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558742130] [2020-07-19 21:07:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 [2020-07-19 21:07:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,636 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 183 proven. 26 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-19 21:07:18,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558742130] [2020-07-19 21:07:18,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743598025] [2020-07-19 21:07:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@66fef737 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:18,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1489 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:07:18,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 243 proven. 49 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2020-07-19 21:07:18,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:18,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 26 [2020-07-19 21:07:18,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165852202] [2020-07-19 21:07:18,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 21:07:18,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:18,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 21:07:18,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:07:18,622 INFO L87 Difference]: Start difference. First operand 1790 states and 2027 transitions. Second operand 26 states. [2020-07-19 21:07:19,996 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-19 21:07:20,840 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:22,358 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:07:22,716 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:23,057 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:23,338 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:25,466 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-19 21:07:26,361 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 21:07:28,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:28,304 INFO L93 Difference]: Finished difference Result 2925 states and 3397 transitions. [2020-07-19 21:07:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-19 21:07:28,305 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 392 [2020-07-19 21:07:28,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:28,308 INFO L225 Difference]: With dead ends: 2925 [2020-07-19 21:07:28,308 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:07:28,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 541 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=688, Invalid=3472, Unknown=0, NotChecked=0, Total=4160 [2020-07-19 21:07:28,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:07:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:07:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:07:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:07:28,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2020-07-19 21:07:28,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:28,318 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:07:28,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 21:07:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:07:28,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:07:28,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:28,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:07:28,969 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-07-19 21:07:32,402 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 480 DAG size of output: 379 [2020-07-19 21:07:34,865 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 534 DAG size of output: 451 [2020-07-19 21:07:37,114 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 349 [2020-07-19 21:07:44,944 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 356 [2020-07-19 21:07:45,662 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 21:07:48,294 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 218 DAG size of output: 49 [2020-07-19 21:07:48,518 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-07-19 21:07:48,924 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:07:49,090 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-19 21:07:50,785 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 46 [2020-07-19 21:07:50,987 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-19 21:07:52,816 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 313 DAG size of output: 58 [2020-07-19 21:07:54,093 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 198 DAG size of output: 45 [2020-07-19 21:07:54,260 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-19 21:07:54,488 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-19 21:07:55,937 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-07-19 21:07:56,186 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-19 21:07:56,333 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-19 21:07:56,923 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 21:07:58,589 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 205 DAG size of output: 44 [2020-07-19 21:07:58,801 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:01,123 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 343 DAG size of output: 57 [2020-07-19 21:08:01,274 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-19 21:08:05,193 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2020-07-19 21:08:06,327 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 245 DAG size of output: 52 [2020-07-19 21:08:06,682 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 1 [2020-07-19 21:08:08,345 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 210 DAG size of output: 47 [2020-07-19 21:08:10,801 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 250 DAG size of output: 49 [2020-07-19 21:08:11,771 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 48 [2020-07-19 21:08:12,345 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 21:08:14,694 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 208 DAG size of output: 45 [2020-07-19 21:08:14,885 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:08:18,352 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 272 DAG size of output: 55 [2020-07-19 21:08:19,139 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-07-19 21:08:20,437 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 154 DAG size of output: 69 [2020-07-19 21:08:21,859 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 203 DAG size of output: 50 [2020-07-19 21:08:23,724 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 212 DAG size of output: 47 [2020-07-19 21:08:25,936 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 211 DAG size of output: 43 [2020-07-19 21:08:27,489 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 207 DAG size of output: 43 [2020-07-19 21:08:27,645 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-19 21:08:27,839 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:08:27,999 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-19 21:08:28,180 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:08:28,381 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:08:28,679 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-07-19 21:08:28,895 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-07-19 21:08:29,089 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:08:29,285 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:08:29,502 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-07-19 21:08:29,702 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-19 21:08:31,240 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 254 DAG size of output: 54 [2020-07-19 21:08:33,317 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 205 DAG size of output: 47 [2020-07-19 21:08:34,338 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 26 [2020-07-19 21:08:35,832 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 204 DAG size of output: 48 [2020-07-19 21:08:35,838 INFO L268 CegarLoopResult]: For program point L227-2(lines 227 248) no Hoare annotation was computed. [2020-07-19 21:08:35,838 INFO L268 CegarLoopResult]: For program point L249(lines 226 250) no Hoare annotation was computed. [2020-07-19 21:08:35,838 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 202 257) no Hoare annotation was computed. [2020-07-19 21:08:35,838 INFO L268 CegarLoopResult]: For program point L233(lines 233 237) no Hoare annotation was computed. [2020-07-19 21:08:35,838 INFO L268 CegarLoopResult]: For program point L233-1(lines 233 237) no Hoare annotation was computed. [2020-07-19 21:08:35,839 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 202 257) no Hoare annotation was computed. [2020-07-19 21:08:35,839 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-07-19 21:08:35,839 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 202 257) no Hoare annotation was computed. [2020-07-19 21:08:35,839 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 294) no Hoare annotation was computed. [2020-07-19 21:08:35,839 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-07-19 21:08:35,839 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 309) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point L310(lines 283 311) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 258 317) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 258 317) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 258 317) no Hoare annotation was computed. [2020-07-19 21:08:35,840 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-07-19 21:08:35,841 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2020-07-19 21:08:35,841 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2020-07-19 21:08:35,841 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2020-07-19 21:08:35,841 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2020-07-19 21:08:35,841 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2020-07-19 21:08:35,841 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 518 525) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,841 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 518 525) no Hoare annotation was computed. [2020-07-19 21:08:35,841 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 518 525) no Hoare annotation was computed. [2020-07-19 21:08:35,842 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 526 535) the Hoare annotation is: (let ((.cse9 (not (<= 1 ~waterLevel~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse11 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse3 .cse8 .cse5 .cse6) (or .cse7 (not (= 2 ~waterLevel~0)) .cse3 .cse8 .cse6) (or .cse9 .cse10 .cse1 .cse3 .cse8 .cse6) (or .cse9 .cse7 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4 .cse6) (or .cse10 .cse1 .cse3 (not (<= 2 ~waterLevel~0)) .cse4 .cse6) (or .cse7 .cse11 .cse3 .cse8 .cse6) (or .cse7 .cse10 (not (< 1 ~waterLevel~0)) .cse3 .cse4 .cse6) (or .cse11 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse8 .cse5 .cse6))) [2020-07-19 21:08:35,842 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 526 535) no Hoare annotation was computed. [2020-07-19 21:08:35,842 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 526 535) no Hoare annotation was computed. [2020-07-19 21:08:35,842 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-07-19 21:08:35,842 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-19 21:08:35,842 INFO L268 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2020-07-19 21:08:35,843 INFO L268 CegarLoopResult]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2020-07-19 21:08:35,843 INFO L271 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: true [2020-07-19 21:08:35,843 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-19 21:08:35,843 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 536 564) the Hoare annotation is: true [2020-07-19 21:08:35,843 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 536 564) no Hoare annotation was computed. [2020-07-19 21:08:35,843 INFO L264 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: (let ((.cse5 (not (<= 0 ~waterLevel~0))) (.cse7 (not (<= ~waterLevel~0 0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse3 .cse7 .cse4) (or .cse5 .cse6 .cse8 .cse9 .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse10 .cse6 .cse8 .cse9 .cse4) (or .cse10 .cse6 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse9 .cse4))) [2020-07-19 21:08:35,844 INFO L268 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2020-07-19 21:08:35,844 INFO L268 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2020-07-19 21:08:35,844 INFO L264 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse9 (not (<= 1 ~waterLevel~0))) (.cse11 (not (<= ~waterLevel~0 1))) (.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse12 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse7 (= __utac_acc__Specification5_spec__3_~tmp~3 ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse8 .cse4) (or .cse9 .cse6 .cse10 .cse11 .cse12 .cse7 .cse4) (or (not (= 1 ~waterLevel~0)) .cse6 .cse7 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse9 .cse0 .cse11 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse10 .cse12 .cse7 .cse8 .cse4) (or .cse1 .cse6 .cse2 .cse12 .cse4) (or .cse0 .cse5 .cse7 .cse3 .cse8 .cse4))) [2020-07-19 21:08:35,844 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 945 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,844 INFO L264 CegarLoopResult]: At program point L957(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,845 INFO L264 CegarLoopResult]: At program point L957-1(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,845 INFO L268 CegarLoopResult]: For program point L955(lines 955 962) no Hoare annotation was computed. [2020-07-19 21:08:35,845 INFO L268 CegarLoopResult]: For program point L955-1(lines 955 962) no Hoare annotation was computed. [2020-07-19 21:08:35,845 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-07-19 21:08:35,845 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 945 967) no Hoare annotation was computed. [2020-07-19 21:08:35,845 INFO L264 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,845 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,846 INFO L264 CegarLoopResult]: At program point L951-1(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 945 967) no Hoare annotation was computed. [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 903 926) no Hoare annotation was computed. [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 903 926) no Hoare annotation was computed. [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 903 926) no Hoare annotation was computed. [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-07-19 21:08:35,846 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-19 21:08:35,847 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-19 21:08:35,848 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-19 21:08:35,848 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-19 21:08:35,848 INFO L264 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~waterLevel~0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~waterLevel~0)) .cse2 .cse5 .cse4) (or .cse6 .cse0 .cse7 .cse2 .cse4) (or .cse1 .cse8 .cse9 .cse10 .cse5 .cse3 .cse4) (or .cse6 .cse8 .cse9 .cse10 .cse5 (not (<= ~waterLevel~0 1)) .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse7 .cse2 .cse5 (not (<= 2 ~waterLevel~0)) .cse4))) [2020-07-19 21:08:35,848 INFO L268 CegarLoopResult]: For program point L627-1(lines 608 632) no Hoare annotation was computed. [2020-07-19 21:08:35,848 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 608 632) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse9 .cse4 .cse5) (or .cse10 .cse6 .cse7 .cse8 .cse9 (not (<= ~waterLevel~0 1)) .cse5) (or .cse0 (not (= 1 ~waterLevel~0)) .cse2 .cse3 .cse5) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse5) (or .cse10 (not (<= ~waterLevel~0 2)) .cse2 .cse9 .cse3 .cse5) (or .cse1 .cse2 .cse9 .cse3 .cse4 .cse5))) [2020-07-19 21:08:35,849 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse7 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2 .cse4 .cse8 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse7 .cse9 .cse10 .cse3 .cse8 .cse5) (or .cse7 .cse2 .cse3 .cse4 .cse8 .cse5) (or (not (= 1 ~waterLevel~0)) .cse9 .cse10 .cse3 .cse5))) [2020-07-19 21:08:35,849 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 608 632) no Hoare annotation was computed. [2020-07-19 21:08:35,849 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse2 .cse6 .cse8 (not (<= 2 ~waterLevel~0)) .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 (not (<= ~waterLevel~0 1)) .cse4) (or .cse1 .cse9 .cse10 .cse6 .cse3 .cse4) (or .cse0 .cse7 .cse2 (not (< 1 ~waterLevel~0)) .cse8 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse9 .cse10 .cse6 .cse4))) [2020-07-19 21:08:35,849 INFO L268 CegarLoopResult]: For program point L616(lines 616 624) no Hoare annotation was computed. [2020-07-19 21:08:35,849 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse3 (not (<= 2 ~waterLevel~0)) .cse5) (or .cse8 .cse2 .cse7 .cse3 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse9 .cse10 .cse7 .cse4 .cse5) (or .cse8 .cse9 .cse10 .cse7 .cse5) (or .cse1 .cse2 .cse7 .cse3 .cse4 .cse5))) [2020-07-19 21:08:35,849 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point L612(lines 612 629) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 703 711) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 703 711) the Hoare annotation is: true [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 703 711) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point L731(lines 731 739) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point L731-2(lines 731 739) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point L719(lines 719 727) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 712 747) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2020-07-19 21:08:35,850 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 712 747) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 712 747) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 156 201) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 156 201) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 156 201) no Hoare annotation was computed. [2020-07-19 21:08:35,851 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 469 514) no Hoare annotation was computed. [2020-07-19 21:08:35,852 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 469 514) no Hoare annotation was computed. [2020-07-19 21:08:35,852 INFO L268 CegarLoopResult]: For program point L489(lines 489 496) no Hoare annotation was computed. [2020-07-19 21:08:35,852 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 469 514) no Hoare annotation was computed. [2020-07-19 21:08:35,852 INFO L268 CegarLoopResult]: For program point L483(lines 483 503) no Hoare annotation was computed. [2020-07-19 21:08:35,852 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 503) no Hoare annotation was computed. [2020-07-19 21:08:35,852 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 934 944) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,852 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,852 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 934 944) no Hoare annotation was computed. [2020-07-19 21:08:35,853 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 934 944) no Hoare annotation was computed. [2020-07-19 21:08:35,853 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 692 702) the Hoare annotation is: true [2020-07-19 21:08:35,853 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 692 702) no Hoare annotation was computed. [2020-07-19 21:08:35,853 INFO L271 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: true [2020-07-19 21:08:35,853 INFO L268 CegarLoopResult]: For program point L697-1(line 697) no Hoare annotation was computed. [2020-07-19 21:08:35,853 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 692 702) no Hoare annotation was computed. [2020-07-19 21:08:35,853 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 684 691) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 0 ~waterLevel~0)) .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse0 (not (= 1 ~waterLevel~0)) .cse2 .cse1 .cse3 .cse4))) [2020-07-19 21:08:35,853 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2020-07-19 21:08:35,854 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2020-07-19 21:08:35,854 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-19 21:08:35,854 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-19 21:08:35,854 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-19 21:08:35,854 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-19 21:08:35,854 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse8 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse5 .cse6) (or .cse8 .cse7 .cse9 .cse6) (or .cse0 .cse8 .cse3 .cse2 .cse4 .cse6) (or .cse10 .cse0 .cse11 .cse7 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse9 .cse5 .cse6) (or .cse10 .cse2 .cse3 .cse4 .cse9 (not (<= ~waterLevel~0 1)) .cse6) (or .cse1 .cse7 .cse9 .cse5 .cse6) (or .cse11 .cse7 .cse9 (not (<= 2 ~waterLevel~0)) .cse6))) [2020-07-19 21:08:35,854 INFO L268 CegarLoopResult]: For program point L640-1(line 640) no Hoare annotation was computed. [2020-07-19 21:08:35,854 INFO L268 CegarLoopResult]: For program point L638(lines 638 655) no Hoare annotation was computed. [2020-07-19 21:08:35,855 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2020-07-19 21:08:35,855 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 634 658) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse8 .cse5 .cse6) (or .cse0 .cse9 .cse3 .cse2 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse6) (or .cse11 .cse2 .cse3 .cse4 .cse10 (not (<= ~waterLevel~0 1)) .cse6) (or .cse0 .cse9 .cse7 .cse8 .cse6) (or .cse0 (not (= 2 ~waterLevel~0)) .cse7 .cse8 .cse6) (or .cse11 (not (<= ~waterLevel~0 2)) .cse7 .cse10 .cse8 .cse6) (or .cse1 .cse7 .cse10 .cse8 .cse5 .cse6))) [2020-07-19 21:08:35,855 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~waterLevel~0))) (.cse9 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 (not (<= ~waterLevel~0 1)) .cse5) (or .cse9 .cse2 .cse10 .cse3 (not (<= 2 ~waterLevel~0)) .cse5) (or .cse11 .cse2 .cse10 .cse3 .cse5) (or .cse6 .cse0 .cse9 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse7 .cse8 .cse4 .cse5) (or .cse1 .cse7 .cse8 .cse10 .cse4 .cse5) (or .cse11 .cse7 .cse8 .cse10 .cse5) (or .cse1 .cse2 .cse10 .cse3 .cse4 .cse5))) [2020-07-19 21:08:35,855 INFO L268 CegarLoopResult]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2020-07-19 21:08:35,856 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5))) (.cse10 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse11 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse5 .cse6) (or .cse9 .cse7 .cse1 .cse2 .cse10 .cse6) (or (not (= 1 ~waterLevel~0)) .cse8 .cse3 .cse6) (or .cse9 .cse7 .cse11 .cse8 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse9 .cse1 .cse2 .cse3 .cse4 .cse10 .cse6) (or .cse0 .cse8 .cse3 .cse5 .cse6) (or .cse11 .cse8 .cse3 (not (<= 2 ~waterLevel~0)) .cse6))) [2020-07-19 21:08:35,856 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse1 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse7 .cse8 .cse9 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse10 .cse2 .cse4) (or .cse1 .cse7 .cse8 .cse6 .cse3 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse10 .cse2 .cse6 (not (<= 2 ~waterLevel~0)) .cse4) (or .cse5 .cse7 .cse8 .cse6 .cse4) (or .cse0 .cse5 .cse7 .cse8 .cse9 .cse4))) [2020-07-19 21:08:35,856 INFO L268 CegarLoopResult]: For program point L642(lines 642 650) no Hoare annotation was computed. [2020-07-19 21:08:35,856 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 600 606) no Hoare annotation was computed. [2020-07-19 21:08:35,856 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 600 606) the Hoare annotation is: true [2020-07-19 21:08:35,856 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse5 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 0 ~waterLevel~0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 1)) (.cse9 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 .cse5 (= 2 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse2 .cse6 (<= 1 ~waterLevel~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 (< 1 ~waterLevel~0) .cse7 .cse6 .cse8 .cse9) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse2 (<= 2 ~waterLevel~0) .cse5 .cse8 .cse9) (and .cse1 .cse2 .cse3 .cse8 .cse10 .cse9) (not (<= 1 |old(~waterLevel~0)|)) (and .cse2 .cse7 .cse3 .cse8 .cse10 .cse9) (not .cse9))) [2020-07-19 21:08:35,857 INFO L264 CegarLoopResult]: At program point testENTRY(lines 769 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,857 INFO L268 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-07-19 21:08:35,857 INFO L268 CegarLoopResult]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2020-07-19 21:08:35,857 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse8 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (<= ~waterLevel~0 1)) (.cse12 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= 2 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse13 (not (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 0 ~waterLevel~0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse6 (= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse8 (= 1 ~waterLevel~0) .cse9) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse10 .cse0 .cse11 .cse9) (and .cse12 .cse0 .cse8 .cse11 .cse4 .cse13 .cse6) (and .cse10 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse12 .cse0 .cse2 .cse11 .cse4 .cse13 .cse6) (and .cse7 .cse10 .cse0 .cse3 (<= ~waterLevel~0 0) .cse9) (not (<= 1 |old(~waterLevel~0)|)) (not .cse6))) [2020-07-19 21:08:35,857 INFO L268 CegarLoopResult]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2020-07-19 21:08:35,857 INFO L264 CegarLoopResult]: At program point L822(lines 779 824) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse5 (= 2 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse10 (<= 0 ~waterLevel~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse9 (= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse5 .cse3) (and .cse6 .cse1 .cse2 .cse5 .cse7 .cse8 .cse9) (and .cse4 .cse1 .cse10 .cse7 .cse11 .cse9) (and .cse6 .cse1 .cse12 .cse5 .cse7 .cse8 .cse9) (and .cse0 .cse4 .cse1 .cse10 (<= ~waterLevel~0 0) .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not .cse9) (and .cse1 .cse12 .cse10 .cse7 .cse11 .cse9))) [2020-07-19 21:08:35,858 INFO L268 CegarLoopResult]: For program point L789(lines 789 795) no Hoare annotation was computed. [2020-07-19 21:08:35,858 INFO L268 CegarLoopResult]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2020-07-19 21:08:35,858 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-07-19 21:08:35,858 INFO L264 CegarLoopResult]: At program point L825(lines 778 826) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,858 INFO L268 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-07-19 21:08:35,858 INFO L264 CegarLoopResult]: At program point L815-2(lines 809 820) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 0 ~waterLevel~0)) (.cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7 .cse8 .cse5) (and .cse1 .cse2 .cse7 .cse8 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse6 (<= 1 ~waterLevel~0) .cse9 .cse5) (and .cse1 .cse2 .cse3 .cse10 .cse9 .cse8) (not (<= 1 |old(~waterLevel~0)|)) (and .cse2 .cse6 .cse3 .cse10 .cse9 .cse8) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) .cse5) (and .cse1 .cse2 .cse11 .cse12 .cse10 .cse8) (and .cse2 .cse11 .cse6 .cse12 .cse10 .cse8) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (not .cse8))) [2020-07-19 21:08:35,858 INFO L268 CegarLoopResult]: For program point L780(lines 779 824) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point L809(lines 809 820) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point L443(lines 443 450) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 423 468) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point L437(lines 437 457) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 423 468) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point L437-1(lines 437 457) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 423 468) no Hoare annotation was computed. [2020-07-19 21:08:35,859 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 659 666) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:35,859 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 659 666) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 320 422) no Hoare annotation was computed. [2020-07-19 21:08:35,860 INFO L268 CegarLoopResult]: For program point L349(lines 349 365) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L370(lines 369 389) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L366(lines 366 407) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 320 422) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-07-19 21:08:35,861 INFO L268 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point L408(lines 408 419) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 320 422) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point L369-2(lines 369 389) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point L390(lines 368 391) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2020-07-19 21:08:35,862 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,863 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 21:08:35,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,863 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 21:08:35,863 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-19 21:08:35,863 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 667 683) no Hoare annotation was computed. [2020-07-19 21:08:35,864 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 667 683) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 21:08:35,864 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-19 21:08:35,864 INFO L268 CegarLoopResult]: For program point L678-1(lines 667 683) no Hoare annotation was computed. [2020-07-19 21:08:35,864 INFO L268 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2020-07-19 21:08:35,864 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-19 21:08:35,864 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-19 21:08:35,864 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-19 21:08:35,864 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 748 766) no Hoare annotation was computed. [2020-07-19 21:08:35,865 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 748 766) the Hoare annotation is: true [2020-07-19 21:08:35,865 INFO L268 CegarLoopResult]: For program point L757(lines 757 761) no Hoare annotation was computed. [2020-07-19 21:08:35,865 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 748 766) no Hoare annotation was computed. [2020-07-19 21:08:35,865 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-07-19 21:08:35,865 INFO L268 CegarLoopResult]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2020-07-19 21:08:35,865 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-07-19 21:08:35,865 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-19 21:08:35,866 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse6 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse9 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse11 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse10 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse1 (not (= 2 ~waterLevel~0)) .cse3 .cse2 .cse4) (or .cse6 .cse1 .cse7 .cse9 .cse10 .cse8 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse8 .cse4) (or .cse0 .cse1 .cse7 .cse9 .cse10 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse5 .cse11 .cse7 .cse2 .cse4) (or .cse5 .cse11 .cse7 (not (< 1 ~waterLevel~0)) .cse10 .cse4))) [2020-07-19 21:08:35,866 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-19 21:08:35,866 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,866 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,866 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,866 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-19 21:08:35,866 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-19 21:08:35,866 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-19 21:08:35,867 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 573 599) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse10 (and (= 0 ~pumpRunning~0) .cse1 .cse15)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 0))) (.cse13 (not (<= 0 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (not (= 1 |old(~waterLevel~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse0 .cse1 .cse15)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 (= 2 ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse5) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse7 .cse2 .cse8 .cse9 .cse5) (or .cse7 .cse10 (not (= 2 |old(~waterLevel~0)|)) .cse11 .cse5) (or .cse7 .cse10 .cse11 .cse12 .cse5 .cse13) (or .cse10 .cse11 .cse12 .cse3 .cse5 .cse13) (or .cse10 .cse11 .cse3 .cse4 .cse9 .cse5) (or .cse6 .cse7 .cse2 .cse8 .cse12 .cse5 .cse13) (or .cse7 .cse10 .cse11 .cse14 .cse5) (or .cse6 .cse2 .cse8 .cse12 .cse3 .cse5 .cse13) (or .cse6 .cse2 .cse8 .cse3 .cse14 .cse5) (or .cse7 .cse2 .cse8 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5)))) [2020-07-19 21:08:35,867 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse18 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse19 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= 0 ~pumpRunning~0)) (.cse21 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse11 (and .cse20 (<= ~waterLevel~0 1) .cse21 .cse17)) (.cse4 (and .cse18 .cse19 .cse21)) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (and .cse18 .cse19 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse12 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (and .cse20 .cse21)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (<= 0 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (< 1 |old(~waterLevel~0)|))) (.cse16 (and .cse18 .cse19 (= 1 ~waterLevel~0))) (.cse5 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse3 .cse5 .cse6) (or .cse9 .cse10 .cse8 .cse11 .cse12 .cse5) (or .cse7 (not (= 2 |old(~waterLevel~0)|)) .cse8 .cse3 .cse5) (or .cse0 .cse9 .cse13 .cse1 .cse3 .cse12 .cse5) (or .cse9 .cse8 .cse3 .cse11 .cse12 .cse5) (or .cse7 .cse10 .cse8 .cse14 (not (<= 2 |old(~waterLevel~0)|)) .cse5) (or .cse10 .cse1 .cse14 .cse15 .cse16 .cse5) (or .cse0 .cse10 .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse9 .cse13 .cse10 .cse1 .cse12 .cse5) (or .cse7 .cse10 .cse8 .cse2 .cse5 .cse6) (or .cse1 .cse3 .cse14 .cse15 .cse16 .cse5)))) [2020-07-19 21:08:35,867 INFO L264 CegarLoopResult]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse20 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse22 (= 1 ~systemActive~0))) (let ((.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (and .cse20 (<= ~waterLevel~0 1) .cse1 .cse22)) (.cse16 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse17 (<= 0 ~waterLevel~0)) (.cse0 (and .cse20 .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse19 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not .cse22)) (.cse21 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3 (and .cse10 .cse11 .cse1) .cse6 .cse12) (or .cse0 .cse2 .cse9 .cse3 .cse6 .cse12) (or .cse13 .cse14 .cse2 .cse15 .cse16 .cse6) (or .cse7 .cse13 (and .cse10 .cse11 .cse17 .cse18) .cse8 .cse3 .cse16 .cse6) (or .cse14 .cse8 .cse4 .cse19 (and (<= 1 ~waterLevel~0) .cse20 .cse21 .cse18) .cse6) (or .cse13 .cse2 .cse3 .cse15 .cse16 .cse6) (or .cse0 .cse14 .cse2 .cse4 .cse5 .cse6) (or .cse7 (and .cse17 (<= ~waterLevel~0 0) .cse20 .cse21) .cse14 .cse8 (not (= 1 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse14 .cse2 .cse9 .cse6 .cse12) (or .cse8 .cse3 .cse4 .cse19 (and .cse10 .cse11 (= 1 ~waterLevel~0)) .cse6) (or .cse7 .cse14 .cse8 .cse9 .cse6 (and .cse20 .cse21 .cse1) .cse12)))) [2020-07-19 21:08:35,868 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 573 599) no Hoare annotation was computed. [2020-07-19 21:08:35,868 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 573 599) no Hoare annotation was computed. [2020-07-19 21:08:35,868 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 0 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse3 .cse7 .cse8 .cse4 .cse6 .cse9) (or .cse3 .cse8 .cse10 .cse11 .cse4 .cse6) (or .cse1 .cse12 .cse8 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse8 .cse4 .cse5 .cse6) (or .cse12 .cse8 .cse10 .cse11 .cse6) (or .cse0 .cse2 .cse3 .cse7 .cse4 .cse6 .cse9) (or .cse2 .cse12 .cse7 .cse6 .cse9) (or .cse12 .cse7 .cse8 .cse6 .cse9) (or .cse2 .cse12 (not (= 1 |old(~waterLevel~0)|)) .cse6) (or .cse2 .cse3 .cse10 .cse11 .cse4 .cse6) (or .cse2 .cse12 .cse10 (not (<= 2 |old(~waterLevel~0)|)) .cse6))) [2020-07-19 21:08:35,868 INFO L268 CegarLoopResult]: For program point L580(lines 576 598) no Hoare annotation was computed. [2020-07-19 21:08:35,868 INFO L268 CegarLoopResult]: For program point L578(lines 576 598) no Hoare annotation was computed. [2020-07-19 21:08:35,868 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 873 902) no Hoare annotation was computed. [2020-07-19 21:08:35,868 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-07-19 21:08:35,869 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 873 902) the Hoare annotation is: true [2020-07-19 21:08:35,869 INFO L268 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2020-07-19 21:08:35,869 INFO L271 CegarLoopResult]: At program point L887-1(lines 887 891) the Hoare annotation is: true [2020-07-19 21:08:35,869 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-07-19 21:08:35,869 INFO L271 CegarLoopResult]: At program point L883-2(lines 883 897) the Hoare annotation is: true [2020-07-19 21:08:35,869 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-07-19 21:08:35,869 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-19 21:08:35,869 INFO L271 CegarLoopResult]: At program point L898(lines 873 902) the Hoare annotation is: true [2020-07-19 21:08:35,870 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse11 (not (<= 0 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2 .cse8 .cse4 .cse9 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (or .cse7 .cse10 .cse2 .cse8 .cse4 .cse5 .cse11) (or .cse10 .cse0 .cse2 .cse8 .cse4 .cse5 .cse11) (or .cse6 .cse0 .cse8 .cse2 .cse4 .cse9 .cse5))) [2020-07-19 21:08:35,870 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-19 21:08:35,870 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-19 21:08:35,870 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 927 933) no Hoare annotation was computed. [2020-07-19 21:08:35,870 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 927 933) the Hoare annotation is: true [2020-07-19 21:08:35,870 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,870 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:08:35,870 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:08:35,870 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:35,870 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-19 21:08:35,871 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-19 21:08:35,871 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 0 |old(~waterLevel~0)|))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 0)) .cse6 .cse7 .cse2 .cse8 .cse4 .cse5) (or .cse6 .cse9 .cse2 .cse3 .cse10 .cse4) (or .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2 .cse8 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse1 .cse9 .cse2 .cse3 .cse10 .cse4) (or .cse6 (= 2 ~waterLevel~0) .cse9 .cse8 .cse10 .cse4))) [2020-07-19 21:08:35,871 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-19 21:08:35,871 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-07-19 21:08:35,871 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2020-07-19 21:08:35,871 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-19 21:08:35,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:08:35 BoogieIcfgContainer [2020-07-19 21:08:35,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:08:35,892 INFO L168 Benchmark]: Toolchain (without parser) took 167899.03 ms. Allocated memory was 139.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.3 MB in the beginning and 1.0 GB in the end (delta: -899.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-19 21:08:35,893 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 21:08:35,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.44 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 173.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:35,894 INFO L168 Benchmark]: Boogie Preprocessor took 97.63 ms. Allocated memory is still 203.9 MB. Free memory was 173.4 MB in the beginning and 168.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:35,894 INFO L168 Benchmark]: RCFGBuilder took 1122.20 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 194.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:35,894 INFO L168 Benchmark]: TraceAbstraction took 165988.37 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 194.5 MB in the beginning and 1.0 GB in the end (delta: -807.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-19 21:08:35,897 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.44 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 173.4 MB in the end (delta: -71.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.63 ms. Allocated memory is still 203.9 MB. Free memory was 173.4 MB in the beginning and 168.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.20 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 194.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 165988.37 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 194.5 MB in the beginning and 1.0 GB in the end (delta: -807.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 778]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && \old(methaneLevelCritical) == methaneLevelCritical) && 1 == waterLevel) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 <= pumpRunning)) || ((((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && \old(methaneLevelCritical) == methaneLevelCritical) && 2 == waterLevel) && 0 == pumpRunning) && !(\old(waterLevel) == waterLevel)) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 2 == waterLevel) && 0 == pumpRunning) && !(\old(waterLevel) == waterLevel)) && 1 == systemActive)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel <= 0) && 1 <= pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 == systemActive)) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 98.5s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 82.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 67.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2687 SDtfs, 8372 SDslu, 6265 SDs, 0 SdLazy, 24284 SolverSat, 6116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3337 GetRequests, 2846 SyntacticMatches, 10 SemanticMatches, 481 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8074 ImplicationChecksByTransitivity, 43.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1897occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 1360 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3784 PreInvPairs, 4049 NumberOfFragments, 5990 HoareAnnotationTreeSize, 3784 FomulaSimplifications, 1667868635 FormulaSimplificationTreeSizeReduction, 16.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 4780339 FormulaSimplificationTreeSizeReductionInter, 50.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 4479 NumberOfCodeBlocks, 4479 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4459 ConstructedInterpolants, 0 QuantifiedInterpolants, 2827597 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7794 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 4300/4532 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...