/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:10,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:10,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:10,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:10,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:10,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:10,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:10,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:10,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:10,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:10,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:10,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:10,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:10,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:10,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:10,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:10,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:10,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:10,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:10,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:10,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:10,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:10,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:10,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:10,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:10,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:10,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:10,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:10,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:10,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:10,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:10,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:10,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:10,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:10,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:10,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:10,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:10,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:10,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:10,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:10,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:10,938 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 [2020-07-07 10:49:10,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:10,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:10,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:10,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:10,953 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:10,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:10,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:10,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:10,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:10,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:10,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:10,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:10,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:10,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:10,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:10,955 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:10,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:10,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:10,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:10,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:10,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:10,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:10,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:10,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:10,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:10,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:10,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:10,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:10,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:10,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:11,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:11,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:11,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:11,248 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:11,248 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:11,249 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-07 10:49:11,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fd239ce/4876baf25d2c42dfaab144a8cf1e025d/FLAG7eafbc908 [2020-07-07 10:49:11,827 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:11,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-07 10:49:11,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fd239ce/4876baf25d2c42dfaab144a8cf1e025d/FLAG7eafbc908 [2020-07-07 10:49:12,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fd239ce/4876baf25d2c42dfaab144a8cf1e025d [2020-07-07 10:49:12,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:12,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:12,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:12,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:12,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:12,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17da9069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12, skipping insertion in model container [2020-07-07 10:49:12,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:12,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:12,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:12,631 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:12,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:12,752 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:12,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12 WrapperNode [2020-07-07 10:49:12,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:12,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:12,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:12,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:12,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (1/1) ... [2020-07-07 10:49:12,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:12,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:12,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:12,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:12,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (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 [2020-07-07 10:49:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:49:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:49:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:14,016 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:14,017 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:14,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:14 BoogieIcfgContainer [2020-07-07 10:49:14,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:14,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:14,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:14,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:12" (1/3) ... [2020-07-07 10:49:14,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42613fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:14, skipping insertion in model container [2020-07-07 10:49:14,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:12" (2/3) ... [2020-07-07 10:49:14,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42613fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:14, skipping insertion in model container [2020-07-07 10:49:14,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:14" (3/3) ... [2020-07-07 10:49:14,029 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-07-07 10:49:14,039 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:14,047 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:14,060 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:14,084 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:14,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:14,084 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:14,084 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:14,084 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:14,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:14,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:14,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-07 10:49:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:14,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:14,118 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] [2020-07-07 10:49:14,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:14,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:14,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1424451371, now seen corresponding path program 1 times [2020-07-07 10:49:14,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:14,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513639980] [2020-07-07 10:49:14,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,811 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:14,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513639980] [2020-07-07 10:49:14,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:14,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:14,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426786025] [2020-07-07 10:49:14,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:14,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:14,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:14,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:14,961 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-07-07 10:49:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:16,030 INFO L93 Difference]: Finished difference Result 286 states and 369 transitions. [2020-07-07 10:49:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:16,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:16,047 INFO L225 Difference]: With dead ends: 286 [2020-07-07 10:49:16,047 INFO L226 Difference]: Without dead ends: 159 [2020-07-07 10:49:16,051 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 [2020-07-07 10:49:16,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-07 10:49:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-07-07 10:49:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-07 10:49:16,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-07-07 10:49:16,131 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2020-07-07 10:49:16,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:16,132 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-07-07 10:49:16,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-07-07 10:49:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:49:16,139 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:16,139 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] [2020-07-07 10:49:16,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:16,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:16,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:16,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1343962066, now seen corresponding path program 1 times [2020-07-07 10:49:16,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:16,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045745470] [2020-07-07 10:49:16,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,524 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:16,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045745470] [2020-07-07 10:49:16,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:16,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:49:16,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762646744] [2020-07-07 10:49:16,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:49:16,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:16,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:49:16,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:49:16,599 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 5 states. [2020-07-07 10:49:17,037 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:17,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:17,760 INFO L93 Difference]: Finished difference Result 218 states and 267 transitions. [2020-07-07 10:49:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:49:17,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:49:17,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:17,763 INFO L225 Difference]: With dead ends: 218 [2020-07-07 10:49:17,764 INFO L226 Difference]: Without dead ends: 149 [2020-07-07 10:49:17,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-07 10:49:17,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-07-07 10:49:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-07 10:49:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-07-07 10:49:17,800 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2020-07-07 10:49:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:17,801 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-07-07 10:49:17,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:49:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-07-07 10:49:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:49:17,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:17,804 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] [2020-07-07 10:49:17,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:17,804 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:17,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1988567769, now seen corresponding path program 1 times [2020-07-07 10:49:17,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:17,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299903289] [2020-07-07 10:49:17,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,172 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:18,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299903289] [2020-07-07 10:49:18,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:18,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:18,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369553088] [2020-07-07 10:49:18,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:18,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:18,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:18,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:18,274 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 9 states. [2020-07-07 10:49:18,618 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:18,931 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:19,195 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:19,425 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:20,317 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:21,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:21,418 INFO L93 Difference]: Finished difference Result 402 states and 496 transitions. [2020-07-07 10:49:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:49:21,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:49:21,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:21,429 INFO L225 Difference]: With dead ends: 402 [2020-07-07 10:49:21,429 INFO L226 Difference]: Without dead ends: 311 [2020-07-07 10:49:21,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:49:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-07-07 10:49:21,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 242. [2020-07-07 10:49:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-07 10:49:21,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 290 transitions. [2020-07-07 10:49:21,499 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 290 transitions. Word has length 65 [2020-07-07 10:49:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:21,499 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 290 transitions. [2020-07-07 10:49:21,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 290 transitions. [2020-07-07 10:49:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:49:21,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:21,502 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] [2020-07-07 10:49:21,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:21,503 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:21,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:21,503 INFO L82 PathProgramCache]: Analyzing trace with hash 827482166, now seen corresponding path program 1 times [2020-07-07 10:49:21,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:21,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270631935] [2020-07-07 10:49:21,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,782 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:21,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270631935] [2020-07-07 10:49:21,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:21,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:21,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331015967] [2020-07-07 10:49:21,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:21,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:21,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:21,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:21,883 INFO L87 Difference]: Start difference. First operand 242 states and 290 transitions. Second operand 9 states. [2020-07-07 10:49:22,263 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:22,946 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:23,654 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:23,975 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:24,221 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:24,464 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:25,040 INFO L93 Difference]: Finished difference Result 631 states and 816 transitions. [2020-07-07 10:49:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:49:25,041 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:49:25,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:25,046 INFO L225 Difference]: With dead ends: 631 [2020-07-07 10:49:25,046 INFO L226 Difference]: Without dead ends: 417 [2020-07-07 10:49:25,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:49:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-07-07 10:49:25,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 353. [2020-07-07 10:49:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-07-07 10:49:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2020-07-07 10:49:25,122 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 70 [2020-07-07 10:49:25,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:25,122 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2020-07-07 10:49:25,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2020-07-07 10:49:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:49:25,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:25,125 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] [2020-07-07 10:49:25,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:25,126 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:25,126 INFO L82 PathProgramCache]: Analyzing trace with hash 361073596, now seen corresponding path program 1 times [2020-07-07 10:49:25,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:25,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052125954] [2020-07-07 10:49:25,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,417 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:25,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052125954] [2020-07-07 10:49:25,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:25,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:25,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799398800] [2020-07-07 10:49:25,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:25,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:25,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:25,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:25,612 INFO L87 Difference]: Start difference. First operand 353 states and 423 transitions. Second operand 9 states. [2020-07-07 10:49:25,955 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:26,937 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:27,145 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:27,396 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:27,653 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:28,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:28,629 INFO L93 Difference]: Finished difference Result 1112 states and 1489 transitions. [2020-07-07 10:49:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:28,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-07 10:49:28,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:28,637 INFO L225 Difference]: With dead ends: 1112 [2020-07-07 10:49:28,637 INFO L226 Difference]: Without dead ends: 787 [2020-07-07 10:49:28,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:28,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-07-07 10:49:28,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 665. [2020-07-07 10:49:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-07-07 10:49:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 802 transitions. [2020-07-07 10:49:28,768 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 802 transitions. Word has length 88 [2020-07-07 10:49:28,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:28,769 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 802 transitions. [2020-07-07 10:49:28,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 802 transitions. [2020-07-07 10:49:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:49:28,772 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:28,772 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] [2020-07-07 10:49:28,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:28,773 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:28,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1750216773, now seen corresponding path program 1 times [2020-07-07 10:49:28,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:28,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072503835] [2020-07-07 10:49:28,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,001 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:29,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072503835] [2020-07-07 10:49:29,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:29,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:29,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108436999] [2020-07-07 10:49:29,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:29,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:29,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:29,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:29,128 INFO L87 Difference]: Start difference. First operand 665 states and 802 transitions. Second operand 9 states. [2020-07-07 10:49:30,426 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:30,675 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:30,931 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:31,158 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:31,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:31,706 INFO L93 Difference]: Finished difference Result 1429 states and 1823 transitions. [2020-07-07 10:49:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:31,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-07 10:49:31,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:31,715 INFO L225 Difference]: With dead ends: 1429 [2020-07-07 10:49:31,715 INFO L226 Difference]: Without dead ends: 792 [2020-07-07 10:49:31,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:31,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-07-07 10:49:31,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 685. [2020-07-07 10:49:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-07 10:49:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 822 transitions. [2020-07-07 10:49:31,856 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 822 transitions. Word has length 88 [2020-07-07 10:49:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:31,857 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 822 transitions. [2020-07-07 10:49:31,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 822 transitions. [2020-07-07 10:49:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:49:31,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:31,862 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] [2020-07-07 10:49:31,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:31,864 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:31,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:31,864 INFO L82 PathProgramCache]: Analyzing trace with hash -364013379, now seen corresponding path program 1 times [2020-07-07 10:49:31,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:31,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922413399] [2020-07-07 10:49:31,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,127 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:32,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922413399] [2020-07-07 10:49:32,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:32,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:32,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122214945] [2020-07-07 10:49:32,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:32,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:32,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:32,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:32,288 INFO L87 Difference]: Start difference. First operand 685 states and 822 transitions. Second operand 11 states. [2020-07-07 10:49:32,755 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:32,989 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,243 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,959 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:34,215 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:34,448 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:35,049 INFO L93 Difference]: Finished difference Result 1290 states and 1630 transitions. [2020-07-07 10:49:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:35,050 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-07-07 10:49:35,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:35,055 INFO L225 Difference]: With dead ends: 1290 [2020-07-07 10:49:35,055 INFO L226 Difference]: Without dead ends: 633 [2020-07-07 10:49:35,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-07 10:49:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 556. [2020-07-07 10:49:35,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-07 10:49:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 650 transitions. [2020-07-07 10:49:35,155 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 650 transitions. Word has length 88 [2020-07-07 10:49:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:35,155 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 650 transitions. [2020-07-07 10:49:35,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:35,156 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 650 transitions. [2020-07-07 10:49:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:49:35,157 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:35,158 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] [2020-07-07 10:49:35,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:35,158 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:35,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:35,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1797836392, now seen corresponding path program 1 times [2020-07-07 10:49:35,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:35,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054711442] [2020-07-07 10:49:35,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,540 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:35,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054711442] [2020-07-07 10:49:35,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:35,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:49:35,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428138744] [2020-07-07 10:49:35,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:49:35,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:35,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:49:35,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:49:35,710 INFO L87 Difference]: Start difference. First operand 556 states and 650 transitions. Second operand 12 states. [2020-07-07 10:49:36,111 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:36,762 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:37,483 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:37,800 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:38,038 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:38,315 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:38,591 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:39,931 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:40,190 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:40,686 INFO L93 Difference]: Finished difference Result 1629 states and 2065 transitions. [2020-07-07 10:49:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:49:40,686 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-07-07 10:49:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:40,694 INFO L225 Difference]: With dead ends: 1629 [2020-07-07 10:49:40,694 INFO L226 Difference]: Without dead ends: 1277 [2020-07-07 10:49:40,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:49:40,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-07-07 10:49:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1157. [2020-07-07 10:49:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2020-07-07 10:49:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1355 transitions. [2020-07-07 10:49:40,930 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1355 transitions. Word has length 92 [2020-07-07 10:49:40,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:40,934 INFO L479 AbstractCegarLoop]: Abstraction has 1157 states and 1355 transitions. [2020-07-07 10:49:40,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:49:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1355 transitions. [2020-07-07 10:49:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-07 10:49:40,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:40,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:40,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:40,940 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:40,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:40,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1966372220, now seen corresponding path program 1 times [2020-07-07 10:49:40,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:40,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927838662] [2020-07-07 10:49:40,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,237 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:49:41,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927838662] [2020-07-07 10:49:41,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686307557] [2020-07-07 10:49:41,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:41,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:41,729 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:41,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:41,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:41,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66255727] [2020-07-07 10:49:41,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:41,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:41,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:41,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:41,892 INFO L87 Difference]: Start difference. First operand 1157 states and 1355 transitions. Second operand 20 states. [2020-07-07 10:49:42,451 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:42,845 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:49:43,126 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:43,386 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:44,050 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:49:44,387 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:44,719 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:45,091 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:49:46,253 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:47,271 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:49:47,589 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:47,931 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:48,621 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:49:49,273 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:49,494 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:49,750 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:50,016 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:50,691 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:51,474 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:49:51,786 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:52,079 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:52,365 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:52,633 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:52,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:52,895 INFO L93 Difference]: Finished difference Result 2452 states and 2985 transitions. [2020-07-07 10:49:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-07 10:49:52,896 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 136 [2020-07-07 10:49:52,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:52,905 INFO L225 Difference]: With dead ends: 2452 [2020-07-07 10:49:52,906 INFO L226 Difference]: Without dead ends: 1493 [2020-07-07 10:49:52,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=925, Invalid=3905, Unknown=0, NotChecked=0, Total=4830 [2020-07-07 10:49:52,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2020-07-07 10:49:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1323. [2020-07-07 10:49:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-07-07 10:49:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1533 transitions. [2020-07-07 10:49:53,146 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1533 transitions. Word has length 136 [2020-07-07 10:49:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:53,147 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1533 transitions. [2020-07-07 10:49:53,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:49:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1533 transitions. [2020-07-07 10:49:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-07 10:49:53,157 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:53,157 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:53,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:49:53,371 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:53,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:53,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1880321482, now seen corresponding path program 1 times [2020-07-07 10:49:53,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:53,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625378934] [2020-07-07 10:49:53,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,764 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-07 10:49:54,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625378934] [2020-07-07 10:49:54,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423332924] [2020-07-07 10:49:54,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:54,312 INFO L264 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:49:54,321 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-07-07 10:49:54,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:49:54,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-07 10:49:54,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767733286] [2020-07-07 10:49:54,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:49:54,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:54,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:49:54,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:49:54,382 INFO L87 Difference]: Start difference. First operand 1323 states and 1533 transitions. Second operand 3 states. [2020-07-07 10:49:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:54,566 INFO L93 Difference]: Finished difference Result 2115 states and 2457 transitions. [2020-07-07 10:49:54,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:49:54,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-07-07 10:49:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:54,571 INFO L225 Difference]: With dead ends: 2115 [2020-07-07 10:49:54,572 INFO L226 Difference]: Without dead ends: 843 [2020-07-07 10:49:54,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:49:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2020-07-07 10:49:54,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 823. [2020-07-07 10:49:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-07-07 10:49:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 939 transitions. [2020-07-07 10:49:54,713 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 939 transitions. Word has length 244 [2020-07-07 10:49:54,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:54,713 INFO L479 AbstractCegarLoop]: Abstraction has 823 states and 939 transitions. [2020-07-07 10:49:54,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:49:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 939 transitions. [2020-07-07 10:49:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-07-07 10:49:54,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:54,719 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:54,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:49:54,934 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:54,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash 721379933, now seen corresponding path program 1 times [2020-07-07 10:49:54,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:54,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546454194] [2020-07-07 10:49:54,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,280 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-07-07 10:49:55,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546454194] [2020-07-07 10:49:55,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797894596] [2020-07-07 10:49:55,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:49:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,173 INFO L264 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:49:56,184 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 244 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-07 10:49:56,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:56,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2020-07-07 10:49:56,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476538702] [2020-07-07 10:49:56,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:49:56,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:56,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:49:56,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:49:56,621 INFO L87 Difference]: Start difference. First operand 823 states and 939 transitions. Second operand 27 states. [2020-07-07 10:49:57,905 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 10:49:58,769 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:59,835 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:00,358 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:50:00,610 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:01,071 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:50:01,327 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:01,666 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:01,950 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:02,218 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:02,960 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:03,311 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:07,731 INFO L93 Difference]: Finished difference Result 2465 states and 3279 transitions. [2020-07-07 10:50:07,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-07 10:50:07,732 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 279 [2020-07-07 10:50:07,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:07,743 INFO L225 Difference]: With dead ends: 2465 [2020-07-07 10:50:07,743 INFO L226 Difference]: Without dead ends: 1693 [2020-07-07 10:50:07,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2053 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1156, Invalid=5816, Unknown=0, NotChecked=0, Total=6972 [2020-07-07 10:50:07,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2020-07-07 10:50:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1077. [2020-07-07 10:50:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-07-07 10:50:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1233 transitions. [2020-07-07 10:50:08,058 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1233 transitions. Word has length 279 [2020-07-07 10:50:08,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:08,059 INFO L479 AbstractCegarLoop]: Abstraction has 1077 states and 1233 transitions. [2020-07-07 10:50:08,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:50:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1233 transitions. [2020-07-07 10:50:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-07-07 10:50:08,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:08,067 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:08,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:50:08,282 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:08,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:08,282 INFO L82 PathProgramCache]: Analyzing trace with hash -996585043, now seen corresponding path program 1 times [2020-07-07 10:50:08,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:08,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070643662] [2020-07-07 10:50:08,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,740 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 120 proven. 46 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-07-07 10:50:09,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070643662] [2020-07-07 10:50:09,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7963807] [2020-07-07 10:50:09,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,416 INFO L264 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-07 10:50:09,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 284 proven. 14 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-07-07 10:50:09,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:09,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 24 [2020-07-07 10:50:09,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317878212] [2020-07-07 10:50:09,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:50:09,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:09,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:50:09,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:50:09,623 INFO L87 Difference]: Start difference. First operand 1077 states and 1233 transitions. Second operand 24 states. [2020-07-07 10:50:10,658 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:50:11,254 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:50:11,730 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:12,199 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:13,258 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:14,267 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:14,850 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:15,322 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:16,196 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:16,869 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:17,116 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:17,910 INFO L93 Difference]: Finished difference Result 2177 states and 2627 transitions. [2020-07-07 10:50:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-07 10:50:17,911 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 295 [2020-07-07 10:50:17,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:17,918 INFO L225 Difference]: With dead ends: 2177 [2020-07-07 10:50:17,919 INFO L226 Difference]: Without dead ends: 1260 [2020-07-07 10:50:17,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=542, Invalid=2320, Unknown=0, NotChecked=0, Total=2862 [2020-07-07 10:50:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-07-07 10:50:18,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1079. [2020-07-07 10:50:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2020-07-07 10:50:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1232 transitions. [2020-07-07 10:50:18,183 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1232 transitions. Word has length 295 [2020-07-07 10:50:18,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:18,184 INFO L479 AbstractCegarLoop]: Abstraction has 1079 states and 1232 transitions. [2020-07-07 10:50:18,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:50:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1232 transitions. [2020-07-07 10:50:18,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-07-07 10:50:18,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:18,191 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:18,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:18,405 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:18,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:18,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1173731921, now seen corresponding path program 1 times [2020-07-07 10:50:18,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:18,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280861186] [2020-07-07 10:50:18,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,709 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 103 proven. 6 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2020-07-07 10:50:19,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280861186] [2020-07-07 10:50:19,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495078793] [2020-07-07 10:50:19,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:19,277 INFO L264 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 32 conjunts are in the unsatisfiable core [2020-07-07 10:50:19,284 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 244 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-07-07 10:50:19,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:19,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2020-07-07 10:50:19,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993460092] [2020-07-07 10:50:19,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-07 10:50:19,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:19,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-07 10:50:19,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:50:19,614 INFO L87 Difference]: Start difference. First operand 1079 states and 1232 transitions. Second operand 26 states. [2020-07-07 10:50:20,292 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:21,176 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:22,041 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:22,558 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:23,043 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:50:23,508 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:23,759 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:24,102 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:24,398 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:24,878 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:25,948 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:26,532 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:29,130 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:29,515 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:30,004 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:30,469 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:34,542 INFO L93 Difference]: Finished difference Result 2528 states and 3266 transitions. [2020-07-07 10:50:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-07-07 10:50:34,543 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 297 [2020-07-07 10:50:34,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:34,544 INFO L225 Difference]: With dead ends: 2528 [2020-07-07 10:50:34,544 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:50:34,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2554 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1534, Invalid=6656, Unknown=0, NotChecked=0, Total=8190 [2020-07-07 10:50:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:50:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:50:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:50:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:50:34,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 297 [2020-07-07 10:50:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:34,556 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:50:34,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-07 10:50:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:50:34,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:50:34,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:50:34,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:50:37,603 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 557 DAG size of output: 422 [2020-07-07 10:50:47,114 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 348 [2020-07-07 10:50:49,392 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 369 [2020-07-07 10:50:50,016 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 331 [2020-07-07 10:50:51,208 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 414 [2020-07-07 10:50:55,045 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 363 [2020-07-07 10:50:56,049 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 28 [2020-07-07 10:50:56,247 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:50:57,001 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2020-07-07 10:50:57,391 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:50:57,531 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:51:00,330 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 361 DAG size of output: 34 [2020-07-07 10:51:00,509 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:51:00,701 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:51:00,882 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:51:01,717 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 27 [2020-07-07 10:51:02,623 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-07-07 10:51:02,770 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2020-07-07 10:51:02,939 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-07 10:51:04,005 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 207 DAG size of output: 29 [2020-07-07 10:51:04,206 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:04,480 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2020-07-07 10:51:04,648 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-07 10:51:06,278 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 254 DAG size of output: 43 [2020-07-07 10:51:06,594 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 1 [2020-07-07 10:51:08,026 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 221 DAG size of output: 34 [2020-07-07 10:51:08,196 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-07 10:51:08,833 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-07-07 10:51:09,783 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 40 [2020-07-07 10:51:11,391 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 192 DAG size of output: 37 [2020-07-07 10:51:11,583 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:51:13,118 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 244 DAG size of output: 34 [2020-07-07 10:51:13,309 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:51:14,980 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 295 DAG size of output: 32 [2020-07-07 10:51:15,944 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-07-07 10:51:16,870 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2020-07-07 10:51:17,671 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 36 [2020-07-07 10:51:19,061 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2020-07-07 10:51:19,242 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:51:21,218 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 326 DAG size of output: 38 [2020-07-07 10:51:21,383 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-07 10:51:21,553 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-07 10:51:21,945 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 24 [2020-07-07 10:51:22,142 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:51:22,323 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:51:22,517 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:51:23,242 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 20 [2020-07-07 10:51:23,553 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 45 [2020-07-07 10:51:24,855 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 225 DAG size of output: 29 [2020-07-07 10:51:26,061 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 276 DAG size of output: 29 [2020-07-07 10:51:26,066 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 376) no Hoare annotation was computed. [2020-07-07 10:51:26,066 INFO L268 CegarLoopResult]: For program point L377(lines 354 378) no Hoare annotation was computed. [2020-07-07 10:51:26,066 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 330 385) no Hoare annotation was computed. [2020-07-07 10:51:26,066 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-07-07 10:51:26,066 INFO L268 CegarLoopResult]: For program point L361-1(lines 361 365) no Hoare annotation was computed. [2020-07-07 10:51:26,066 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 330 385) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 330 385) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point L412-2(lines 412 437) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point L438(lines 411 439) no Hoare annotation was computed. [2020-07-07 10:51:26,067 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 386 445) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 386 445) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 386 445) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:51:26,068 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:51:26,068 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:51:26,069 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:26,069 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2020-07-07 10:51:26,069 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2020-07-07 10:51:26,069 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse6 .cse5 .cse3) (or .cse4 .cse1 .cse6 .cse2) (or .cse1 .cse6 .cse2 .cse3))) [2020-07-07 10:51:26,069 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-07 10:51:26,069 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2020-07-07 10:51:26,069 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2020-07-07 10:51:26,070 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse0) (or .cse1 .cse0 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-07 10:51:26,070 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2020-07-07 10:51:26,070 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-07-07 10:51:26,070 INFO L268 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2020-07-07 10:51:26,070 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse4 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse0 .cse2 .cse5) (or .cse3 .cse4 .cse6 .cse7 .cse5) (or .cse3 .cse6 .cse7 .cse8 .cse5) (or .cse3 (not (<= ~waterLevel~0 2)) .cse1 .cse2) (or .cse3 .cse2 .cse8 .cse5) (or .cse0 .cse7 .cse5))) [2020-07-07 10:51:26,071 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2020-07-07 10:51:26,071 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-07 10:51:26,071 INFO L268 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2020-07-07 10:51:26,071 INFO L268 CegarLoopResult]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2020-07-07 10:51:26,071 INFO L271 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: true [2020-07-07 10:51:26,071 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-07-07 10:51:26,071 INFO L264 CegarLoopResult]: At program point L802-1(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,072 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-07-07 10:51:26,072 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2020-07-07 10:51:26,072 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-07 10:51:26,072 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,072 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,072 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,072 INFO L264 CegarLoopResult]: At program point L796-1(line 796) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 747 770) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 747 770) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 747 770) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-07-07 10:51:26,073 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-07-07 10:51:26,074 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-07-07 10:51:26,075 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-07-07 10:51:26,075 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-07-07 10:51:26,075 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-07-07 10:51:26,075 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2020-07-07 10:51:26,075 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse6 (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (and .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse5 (= 0 ~switchedOnBeforeTS~0) .cse1) (or .cse4 .cse5 .cse3)))) [2020-07-07 10:51:26,075 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2020-07-07 10:51:26,075 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 (= 0 ~switchedOnBeforeTS~0) .cse1) (or .cse4 .cse0) (or .cse2 .cse3 .cse4))) [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 199 234) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-07 10:51:26,076 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 199 234) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 199 234) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 284 329) no Hoare annotation was computed. [2020-07-07 10:51:26,077 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 284 329) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 284 329) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 597 642) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 597 642) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 597 642) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-07-07 10:51:26,078 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,079 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 179 189) no Hoare annotation was computed. [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point L184-1(line 184) no Hoare annotation was computed. [2020-07-07 10:51:26,079 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2020-07-07 10:51:26,080 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-07-07 10:51:26,080 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2020-07-07 10:51:26,080 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2020-07-07 10:51:26,080 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2020-07-07 10:51:26,080 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-07 10:51:26,080 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2020-07-07 10:51:26,080 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2020-07-07 10:51:26,080 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:51:26,081 INFO L268 CegarLoopResult]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2020-07-07 10:51:26,081 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (and (= 0 processEnvironment_~tmp~0) (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 (not (= 2 ~waterLevel~0)) .cse3 .cse1))) [2020-07-07 10:51:26,081 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2020-07-07 10:51:26,081 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:51:26,081 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:51:26,081 INFO L268 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-07-07 10:51:26,081 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:51:26,082 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-07-07 10:51:26,082 INFO L268 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2020-07-07 10:51:26,082 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2020-07-07 10:51:26,082 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2020-07-07 10:51:26,082 INFO L264 CegarLoopResult]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse4 .cse5))) [2020-07-07 10:51:26,082 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,083 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse5 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse2 .cse3))) [2020-07-07 10:51:26,083 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-07-07 10:51:26,083 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-07-07 10:51:26,083 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2020-07-07 10:51:26,083 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-07-07 10:51:26,083 INFO L264 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:26,083 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 (not (= 0 ~switchedOnBeforeTS~0)) .cse2) (and .cse0 .cse4 .cse3) (and .cse0 .cse4 .cse1))) [2020-07-07 10:51:26,083 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-07-07 10:51:26,084 INFO L264 CegarLoopResult]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-07 10:51:26,084 INFO L268 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2020-07-07 10:51:26,084 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse3 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1) (and .cse0 .cse4 .cse3))) [2020-07-07 10:51:26,084 INFO L268 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2020-07-07 10:51:26,084 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 (= 0 ~systemActive~0) .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse3 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse3 .cse1) (and .cse0 .cse4 .cse1 .cse2))) [2020-07-07 10:51:26,084 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-07-07 10:51:26,084 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-07-07 10:51:26,084 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point L571(lines 571 578) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 551 596) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point L565(lines 565 585) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 551 596) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 585) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 551 596) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point L919(lines 919 927) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 911 933) no Hoare annotation was computed. [2020-07-07 10:51:26,085 INFO L268 CegarLoopResult]: For program point L919-2(lines 919 927) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 911 933) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 448 550) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point L477(lines 477 493) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point L537(lines 537 544) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point L498(lines 497 517) no Hoare annotation was computed. [2020-07-07 10:51:26,086 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L494(lines 494 535) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 448 550) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L536(lines 536 547) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 448 550) no Hoare annotation was computed. [2020-07-07 10:51:26,087 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 517) no Hoare annotation was computed. [2020-07-07 10:51:26,088 INFO L268 CegarLoopResult]: For program point L518(lines 496 519) no Hoare annotation was computed. [2020-07-07 10:51:26,088 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,088 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-07 10:51:26,088 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,088 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2020-07-07 10:51:26,088 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2020-07-07 10:51:26,089 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:26,089 INFO L268 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-07-07 10:51:26,089 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2020-07-07 10:51:26,089 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2020-07-07 10:51:26,089 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2020-07-07 10:51:26,089 INFO L268 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-07-07 10:51:26,089 INFO L271 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: true [2020-07-07 10:51:26,089 INFO L268 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-07-07 10:51:26,089 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2020-07-07 10:51:26,090 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: (let ((.cse5 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse4 .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse6 .cse3))) [2020-07-07 10:51:26,090 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2020-07-07 10:51:26,091 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 902 910) no Hoare annotation was computed. [2020-07-07 10:51:26,091 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2020-07-07 10:51:26,091 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2020-07-07 10:51:26,091 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse11 .cse12 (<= ~waterLevel~0 0) .cse15 .cse14 (<= 1 ~pumpRunning~0))) (.cse5 (and .cse0 .cse15)) (.cse10 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not .cse14)) (.cse13 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse8 .cse9 .cse6 .cse4) (or .cse8 .cse10 (and .cse11 .cse12 .cse1) .cse4) (or .cse13 .cse2 .cse6) (or .cse10 .cse13 .cse2) (or .cse7 (not (<= |old(~waterLevel~0)| 1)) (and .cse11 .cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse8 .cse9 .cse4) (or .cse5 .cse10 .cse2 .cse4) (or .cse13 .cse2 .cse3)))) [2020-07-07 10:51:26,091 INFO L264 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse5 (and .cse0 .cse13)) (.cse12 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse2 .cse7 .cse3) (or .cse8 .cse4 .cse9 (and .cse10 .cse11 (<= ~waterLevel~0 0)) .cse3) (or .cse9 .cse12 (and .cse10 .cse11 .cse1) .cse3) (or .cse8 .cse9 .cse7 .cse13 .cse3) (or .cse5 .cse12 .cse6 .cse2) (or .cse5 (and .cse13 (<= 1 ~pumpRunning~0)) .cse12 .cse2 .cse3)))) [2020-07-07 10:51:26,092 INFO L264 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (<= |old(~waterLevel~0)| 0))) (or .cse5 (not (<= |old(~waterLevel~0)| 2)) .cse3) (or .cse1 .cse4 .cse5) (or .cse4 .cse5 (not (= 1 |old(~waterLevel~0)|))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3))) [2020-07-07 10:51:26,092 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and (= 0 ~pumpRunning~0) .cse8 .cse9)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse4 .cse5 .cse6) (or .cse7 .cse4 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse3)))) [2020-07-07 10:51:26,092 INFO L268 CegarLoopResult]: For program point L110(lines 106 128) no Hoare annotation was computed. [2020-07-07 10:51:26,092 INFO L268 CegarLoopResult]: For program point L108(lines 106 128) no Hoare annotation was computed. [2020-07-07 10:51:26,092 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2020-07-07 10:51:26,092 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2020-07-07 10:51:26,092 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2020-07-07 10:51:26,092 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2020-07-07 10:51:26,093 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-07 10:51:26,093 INFO L271 CegarLoopResult]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2020-07-07 10:51:26,093 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-07 10:51:26,093 INFO L271 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2020-07-07 10:51:26,093 INFO L271 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: true [2020-07-07 10:51:26,093 INFO L268 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-07-07 10:51:26,093 INFO L271 CegarLoopResult]: At program point L742(lines 717 746) the Hoare annotation is: true [2020-07-07 10:51:26,093 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-07-07 10:51:26,094 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse0 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:51:26,094 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2020-07-07 10:51:26,094 INFO L268 CegarLoopResult]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2020-07-07 10:51:26,094 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2020-07-07 10:51:26,094 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2020-07-07 10:51:26,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,094 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:51:26,094 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:51:26,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:26,095 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2020-07-07 10:51:26,095 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: (let ((.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse4 (not (= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0))) (or .cse0 .cse4 .cse2) (or .cse0 .cse4 .cse3))) [2020-07-07 10:51:26,095 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2020-07-07 10:51:26,095 INFO L268 CegarLoopResult]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2020-07-07 10:51:26,095 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2020-07-07 10:51:26,095 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse0 .cse6 .cse1 .cse2) (or .cse4 .cse6 .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 0)) .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3))) [2020-07-07 10:51:26,095 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-07 10:51:26,096 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-07 10:51:26,096 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-07 10:51:26,096 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-07 10:51:26,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:51:26 BoogieIcfgContainer [2020-07-07 10:51:26,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:51:26,134 INFO L168 Benchmark]: Toolchain (without parser) took 134004.04 ms. Allocated memory was 145.2 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 102.3 MB in the beginning and 504.5 MB in the end (delta: -402.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-07 10:51:26,139 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 10:51:26,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.95 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 170.9 MB in the end (delta: -68.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:26,140 INFO L168 Benchmark]: Boogie Preprocessor took 117.02 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 166.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:26,140 INFO L168 Benchmark]: RCFGBuilder took 1150.40 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 196.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:26,141 INFO L168 Benchmark]: TraceAbstraction took 132109.92 ms. Allocated memory was 235.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.1 MB in the beginning and 504.5 MB in the end (delta: -309.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-07 10:51:26,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.95 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 170.9 MB in the end (delta: -68.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.02 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 166.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1150.40 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 196.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 132109.92 ms. Allocated memory was 235.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.1 MB in the beginning and 504.5 MB in the end (delta: -309.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && 2 == waterLevel)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 80.6s, OverallIterations: 13, TraceHistogramMax: 8, AutomataDifference: 67.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 51.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1982 SDtfs, 6505 SDslu, 4908 SDs, 0 SdLazy, 22330 SolverSat, 5829 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2368 GetRequests, 1942 SyntacticMatches, 3 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7168 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1323occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1607 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 3471 PreInvPairs, 4025 NumberOfFragments, 2658 HoareAnnotationTreeSize, 3471 FomulaSimplifications, 1886505820 FormulaSimplificationTreeSizeReduction, 20.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8795740 FormulaSimplificationTreeSizeReductionInter, 30.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 3112 NumberOfCodeBlocks, 3112 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3094 ConstructedInterpolants, 0 QuantifiedInterpolants, 1469616 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5894 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2848/3030 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...