/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:50:35,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:50:35,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:50:35,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:50:35,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:50:35,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:50:35,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:50:35,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:50:35,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:50:35,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:50:35,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:50:35,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:50:35,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:50:35,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:50:35,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:50:35,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:50:35,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:50:35,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:50:35,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:50:35,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:50:35,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:50:35,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:50:35,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:50:35,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:50:36,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:50:36,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:50:36,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:50:36,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:50:36,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:50:36,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:50:36,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:50:36,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:50:36,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:50:36,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:50:36,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:50:36,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:50:36,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:50:36,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:50:36,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:50:36,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:50:36,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:50:36,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:50:36,050 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:50:36,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:50:36,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:50:36,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:50:36,056 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:50:36,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:50:36,056 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:50:36,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:50:36,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:50:36,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:50:36,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:50:36,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:50:36,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:50:36,057 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:50:36,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:50:36,058 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:50:36,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:50:36,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:50:36,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:50:36,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:50:36,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:50:36,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:50:36,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:50:36,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:50:36,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:50:36,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:50:36,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:50:36,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:50:36,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:50:36,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:50:36,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:50:36,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:50:36,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:50:36,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:50:36,389 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:50:36,390 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-19 22:50:36,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd23b108/f957744350d4468d88059086262ed8cd/FLAGe18f56867 [2020-07-19 22:50:36,927 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:50:36,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-19 22:50:36,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd23b108/f957744350d4468d88059086262ed8cd/FLAGe18f56867 [2020-07-19 22:50:37,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd23b108/f957744350d4468d88059086262ed8cd [2020-07-19 22:50:37,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:50:37,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:50:37,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:50:37,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:50:37,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:50:37,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5def63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37, skipping insertion in model container [2020-07-19 22:50:37,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:50:37,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:50:37,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:50:37,760 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:50:37,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:50:37,871 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:50:37,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37 WrapperNode [2020-07-19 22:50:37,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:50:37,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:50:37,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:50:37,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:50:37,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... [2020-07-19 22:50:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:50:37,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:50:37,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:50:37,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:50:37,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:50:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:50:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:50:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:50:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:50:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:50:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:50:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:50:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:50:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:50:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:50:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:50:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:50:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:50:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:50:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:50:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:50:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:50:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:50:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:50:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:50:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:50:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:50:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:50:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:50:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:50:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:50:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:50:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:50:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:50:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:50:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:50:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:50:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:50:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:50:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:50:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:50:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:50:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:50:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:50:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:50:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 22:50:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:50:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:50:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:50:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:50:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:50:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:50:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:50:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:50:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:50:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:50:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:50:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:50:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:50:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:50:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:50:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:50:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:50:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:50:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:50:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:50:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:50:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:50:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:50:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:50:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:50:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:50:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:50:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:50:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:50:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:50:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:50:39,137 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:50:39,137 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:50:39,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:50:39 BoogieIcfgContainer [2020-07-19 22:50:39,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:50:39,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:50:39,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:50:39,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:50:39,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:50:37" (1/3) ... [2020-07-19 22:50:39,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342267ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:50:39, skipping insertion in model container [2020-07-19 22:50:39,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:37" (2/3) ... [2020-07-19 22:50:39,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342267ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:50:39, skipping insertion in model container [2020-07-19 22:50:39,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:50:39" (3/3) ... [2020-07-19 22:50:39,152 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-07-19 22:50:39,164 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:50:39,172 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:50:39,188 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:50:39,216 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:50:39,216 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:50:39,216 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:50:39,216 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:50:39,217 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:50:39,217 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:50:39,217 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:50:39,217 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:50:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-19 22:50:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:50:39,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:39,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:39,255 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:39,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-07-19 22:50:39,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:39,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067076457] [2020-07-19 22:50:39,273 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:39,948 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:40,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067076457] [2020-07-19 22:50:40,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:40,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:50:40,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990221796] [2020-07-19 22:50:40,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:50:40,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:40,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:50:40,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:50:40,087 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-07-19 22:50:41,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:41,184 INFO L93 Difference]: Finished difference Result 287 states and 375 transitions. [2020-07-19 22:50:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:50:41,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:50:41,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:41,201 INFO L225 Difference]: With dead ends: 287 [2020-07-19 22:50:41,201 INFO L226 Difference]: Without dead ends: 155 [2020-07-19 22:50:41,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:50:41,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-19 22:50:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-19 22:50:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-19 22:50:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-19 22:50:41,290 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-07-19 22:50:41,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:41,291 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-19 22:50:41,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:50:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-19 22:50:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:50:41,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:41,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:41,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:50:41,296 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:41,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:41,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-07-19 22:50:41,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:41,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113159842] [2020-07-19 22:50:41,297 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,699 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:41,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113159842] [2020-07-19 22:50:41,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:41,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:50:41,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942318548] [2020-07-19 22:50:41,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:50:41,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:41,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:50:41,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:50:41,770 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 4 states. [2020-07-19 22:50:42,194 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:42,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:42,958 INFO L93 Difference]: Finished difference Result 220 states and 266 transitions. [2020-07-19 22:50:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:50:42,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:50:42,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:42,963 INFO L225 Difference]: With dead ends: 220 [2020-07-19 22:50:42,963 INFO L226 Difference]: Without dead ends: 139 [2020-07-19 22:50:42,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:50:42,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-19 22:50:42,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-07-19 22:50:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-19 22:50:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-07-19 22:50:42,998 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2020-07-19 22:50:42,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:42,998 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-07-19 22:50:42,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:50:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-07-19 22:50:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:50:43,001 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:43,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:43,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:50:43,002 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:43,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:43,002 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2020-07-19 22:50:43,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:43,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463070830] [2020-07-19 22:50:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,350 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:43,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463070830] [2020-07-19 22:50:43,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:43,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:43,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105584241] [2020-07-19 22:50:43,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:43,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:43,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:43,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:43,444 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-07-19 22:50:43,831 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:44,172 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:50:44,462 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:44,708 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:45,809 INFO L93 Difference]: Finished difference Result 229 states and 280 transitions. [2020-07-19 22:50:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:50:45,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:50:45,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:45,818 INFO L225 Difference]: With dead ends: 229 [2020-07-19 22:50:45,818 INFO L226 Difference]: Without dead ends: 139 [2020-07-19 22:50:45,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:50:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-19 22:50:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-07-19 22:50:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-19 22:50:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-19 22:50:45,873 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2020-07-19 22:50:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:45,873 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-19 22:50:45,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-19 22:50:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:50:45,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:45,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:45,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:50:45,877 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:45,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-07-19 22:50:45,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:45,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544618843] [2020-07-19 22:50:45,878 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,123 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:46,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544618843] [2020-07-19 22:50:46,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:46,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:50:46,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150429678] [2020-07-19 22:50:46,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:50:46,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:46,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:50:46,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:50:46,239 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 6 states. [2020-07-19 22:50:46,626 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:47,794 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:48,401 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2020-07-19 22:50:48,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:50:48,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-19 22:50:48,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:48,408 INFO L225 Difference]: With dead ends: 324 [2020-07-19 22:50:48,409 INFO L226 Difference]: Without dead ends: 234 [2020-07-19 22:50:48,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:50:48,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-19 22:50:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 193. [2020-07-19 22:50:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-19 22:50:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2020-07-19 22:50:48,468 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2020-07-19 22:50:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:48,469 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2020-07-19 22:50:48,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:50:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2020-07-19 22:50:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-19 22:50:48,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:48,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:48,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:50:48,472 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2020-07-19 22:50:48,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:48,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407685929] [2020-07-19 22:50:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,744 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:48,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407685929] [2020-07-19 22:50:48,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:48,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:48,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668472124] [2020-07-19 22:50:48,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:48,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:48,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:48,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:48,829 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2020-07-19 22:50:49,263 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:50,650 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:50,920 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:51,167 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:51,393 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:52,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:52,017 INFO L93 Difference]: Finished difference Result 528 states and 662 transitions. [2020-07-19 22:50:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:50:52,018 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-19 22:50:52,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:52,022 INFO L225 Difference]: With dead ends: 528 [2020-07-19 22:50:52,022 INFO L226 Difference]: Without dead ends: 359 [2020-07-19 22:50:52,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:50:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-19 22:50:52,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 319. [2020-07-19 22:50:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-19 22:50:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 373 transitions. [2020-07-19 22:50:52,091 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 373 transitions. Word has length 79 [2020-07-19 22:50:52,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:52,092 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 373 transitions. [2020-07-19 22:50:52,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 373 transitions. [2020-07-19 22:50:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:50:52,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:52,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:52,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:50:52,095 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:52,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:52,095 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2020-07-19 22:50:52,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:52,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406011753] [2020-07-19 22:50:52,096 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,393 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:52,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406011753] [2020-07-19 22:50:52,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:52,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:50:52,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592764141] [2020-07-19 22:50:52,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:50:52,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:52,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:50:52,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:50:52,501 INFO L87 Difference]: Start difference. First operand 319 states and 373 transitions. Second operand 9 states. [2020-07-19 22:50:53,047 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:53,557 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:55,006 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:56,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:56,427 INFO L93 Difference]: Finished difference Result 770 states and 989 transitions. [2020-07-19 22:50:56,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:50:56,427 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-19 22:50:56,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:56,433 INFO L225 Difference]: With dead ends: 770 [2020-07-19 22:50:56,433 INFO L226 Difference]: Without dead ends: 590 [2020-07-19 22:50:56,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:50:56,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-07-19 22:50:56,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 524. [2020-07-19 22:50:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-19 22:50:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 634 transitions. [2020-07-19 22:50:56,545 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 634 transitions. Word has length 83 [2020-07-19 22:50:56,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:56,545 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 634 transitions. [2020-07-19 22:50:56,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:50:56,546 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 634 transitions. [2020-07-19 22:50:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:50:56,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:56,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:56,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:50:56,548 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:56,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:56,548 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-07-19 22:50:56,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:56,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39548914] [2020-07-19 22:50:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,821 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:56,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39548914] [2020-07-19 22:50:56,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:56,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:56,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024616392] [2020-07-19 22:50:56,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:56,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:56,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:56,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:56,953 INFO L87 Difference]: Start difference. First operand 524 states and 634 transitions. Second operand 8 states. [2020-07-19 22:50:58,126 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:58,358 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:58,595 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:59,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:59,528 INFO L93 Difference]: Finished difference Result 947 states and 1187 transitions. [2020-07-19 22:50:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:50:59,532 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-07-19 22:50:59,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:59,538 INFO L225 Difference]: With dead ends: 947 [2020-07-19 22:50:59,539 INFO L226 Difference]: Without dead ends: 566 [2020-07-19 22:50:59,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:50:59,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-07-19 22:50:59,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 524. [2020-07-19 22:50:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-19 22:50:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 633 transitions. [2020-07-19 22:50:59,678 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 633 transitions. Word has length 83 [2020-07-19 22:50:59,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:59,678 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 633 transitions. [2020-07-19 22:50:59,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 633 transitions. [2020-07-19 22:50:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:50:59,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:59,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:59,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:50:59,681 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:59,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:59,682 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-07-19 22:50:59,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:59,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123535417] [2020-07-19 22:50:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:50:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:59,946 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:00,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123535417] [2020-07-19 22:51:00,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:00,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:51:00,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581145613] [2020-07-19 22:51:00,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:51:00,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:00,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:51:00,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:51:00,099 INFO L87 Difference]: Start difference. First operand 524 states and 633 transitions. Second operand 12 states. [2020-07-19 22:51:00,719 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:00,967 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:01,201 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:01,835 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:02,094 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:51:02,367 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:02,623 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:03,858 INFO L93 Difference]: Finished difference Result 1071 states and 1335 transitions. [2020-07-19 22:51:03,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 22:51:03,859 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-07-19 22:51:03,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:03,864 INFO L225 Difference]: With dead ends: 1071 [2020-07-19 22:51:03,865 INFO L226 Difference]: Without dead ends: 571 [2020-07-19 22:51:03,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-19 22:51:03,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-07-19 22:51:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 531. [2020-07-19 22:51:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-19 22:51:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 640 transitions. [2020-07-19 22:51:03,985 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 640 transitions. Word has length 83 [2020-07-19 22:51:03,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:03,986 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 640 transitions. [2020-07-19 22:51:03,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:51:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 640 transitions. [2020-07-19 22:51:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-19 22:51:03,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:03,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:03,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:51:03,993 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:03,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-07-19 22:51:03,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:03,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663614299] [2020-07-19 22:51:03,994 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:51:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,277 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:51:04,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663614299] [2020-07-19 22:51:04,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231884599] [2020-07-19 22:51:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@657cc783 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:51:05,177 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@657cc783 issued 4 check-sat command(s) [2020-07-19 22:51:05,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:51:05,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-19 22:51:05,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:51:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:05,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:51:05,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 17 [2020-07-19 22:51:05,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161615137] [2020-07-19 22:51:05,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:51:05,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:05,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:51:05,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:51:05,359 INFO L87 Difference]: Start difference. First operand 531 states and 640 transitions. Second operand 8 states. [2020-07-19 22:51:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:06,101 INFO L93 Difference]: Finished difference Result 1508 states and 1860 transitions. [2020-07-19 22:51:06,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:51:06,102 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-07-19 22:51:06,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:06,109 INFO L225 Difference]: With dead ends: 1508 [2020-07-19 22:51:06,109 INFO L226 Difference]: Without dead ends: 1001 [2020-07-19 22:51:06,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:51:06,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-07-19 22:51:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 998. [2020-07-19 22:51:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-07-19 22:51:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1205 transitions. [2020-07-19 22:51:06,303 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1205 transitions. Word has length 95 [2020-07-19 22:51:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:06,303 INFO L479 AbstractCegarLoop]: Abstraction has 998 states and 1205 transitions. [2020-07-19 22:51:06,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:51:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1205 transitions. [2020-07-19 22:51:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-19 22:51:06,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:06,306 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:06,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 22:51:06,520 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:06,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:06,521 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2020-07-19 22:51:06,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:06,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174771892] [2020-07-19 22:51:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:51:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:06,944 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:51:07,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174771892] [2020-07-19 22:51:07,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:07,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-19 22:51:07,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255007672] [2020-07-19 22:51:07,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-19 22:51:07,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:07,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-19 22:51:07,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:51:07,167 INFO L87 Difference]: Start difference. First operand 998 states and 1205 transitions. Second operand 14 states. [2020-07-19 22:51:07,886 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:08,164 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:08,427 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:08,985 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:09,714 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:10,074 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:10,646 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:10,900 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:11,161 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:12,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:12,349 INFO L93 Difference]: Finished difference Result 2050 states and 2603 transitions. [2020-07-19 22:51:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 22:51:12,355 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 99 [2020-07-19 22:51:12,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:12,362 INFO L225 Difference]: With dead ends: 2050 [2020-07-19 22:51:12,362 INFO L226 Difference]: Without dead ends: 1076 [2020-07-19 22:51:12,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-07-19 22:51:12,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-07-19 22:51:12,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 914. [2020-07-19 22:51:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-07-19 22:51:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1085 transitions. [2020-07-19 22:51:12,510 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1085 transitions. Word has length 99 [2020-07-19 22:51:12,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:12,510 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1085 transitions. [2020-07-19 22:51:12,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-19 22:51:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1085 transitions. [2020-07-19 22:51:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-19 22:51:12,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:12,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:12,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-19 22:51:12,513 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:12,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:12,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2020-07-19 22:51:12,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:12,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252656276] [2020-07-19 22:51:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5f65c6 [2020-07-19 22:51:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,850 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:51:12,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252656276] [2020-07-19 22:51:12,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:12,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-19 22:51:12,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258944796] [2020-07-19 22:51:12,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 22:51:12,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:12,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 22:51:12,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:51:12,987 INFO L87 Difference]: Start difference. First operand 914 states and 1085 transitions. Second operand 13 states. [2020-07-19 22:51:13,995 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:14,234 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:14,465 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:15,497 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:16,004 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:16,327 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:16,588 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:17,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:17,265 INFO L93 Difference]: Finished difference Result 1575 states and 1874 transitions. [2020-07-19 22:51:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:51:17,266 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 99 [2020-07-19 22:51:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:17,267 INFO L225 Difference]: With dead ends: 1575 [2020-07-19 22:51:17,267 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:51:17,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:51:17,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:51:17,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:51:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:51:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:51:17,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-07-19 22:51:17,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:17,273 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:51:17,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 22:51:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:51:17,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:51:17,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-19 22:51:17,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:51:18,307 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2020-07-19 22:51:19,786 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 242 [2020-07-19 22:51:20,137 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2020-07-19 22:51:21,785 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 242 [2020-07-19 22:51:22,885 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-19 22:51:24,138 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-07-19 22:51:24,688 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2020-07-19 22:51:24,870 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:51:25,044 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:51:25,218 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 22:51:25,903 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 33 [2020-07-19 22:51:27,095 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 170 DAG size of output: 39 [2020-07-19 22:51:27,717 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-19 22:51:27,900 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 22:51:28,079 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:51:28,696 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 30 [2020-07-19 22:51:29,148 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-07-19 22:51:29,326 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:51:29,537 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:29,699 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:51:30,205 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2020-07-19 22:51:30,456 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-07-19 22:51:31,733 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 174 DAG size of output: 37 [2020-07-19 22:51:31,897 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:51:32,066 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-19 22:51:33,227 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-19 22:51:33,421 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 22:51:33,591 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:51:34,443 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-19 22:51:34,713 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 22:51:35,746 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-19 22:51:35,914 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:51:36,019 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-07-19 22:51:36,559 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-07-19 22:51:37,417 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-19 22:51:37,585 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:51:37,752 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:51:38,639 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 34 [2020-07-19 22:51:39,499 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-19 22:51:40,547 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 173 DAG size of output: 43 [2020-07-19 22:51:40,705 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:51:40,874 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:51:41,311 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-07-19 22:51:41,486 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-19 22:51:42,353 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-19 22:51:42,542 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:51:42,747 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:51:42,754 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-19 22:51:42,754 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2020-07-19 22:51:42,754 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-19 22:51:42,754 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2020-07-19 22:51:42,754 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2020-07-19 22:51:42,755 INFO L268 CegarLoopResult]: For program point L651(lines 628 652) no Hoare annotation was computed. [2020-07-19 22:51:42,755 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2020-07-19 22:51:42,755 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2020-07-19 22:51:42,755 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-19 22:51:42,755 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-19 22:51:42,756 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2020-07-19 22:51:42,756 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-19 22:51:42,756 INFO L268 CegarLoopResult]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2020-07-19 22:51:42,756 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-19 22:51:42,756 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2020-07-19 22:51:42,756 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2020-07-19 22:51:42,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2020-07-19 22:51:42,757 INFO L268 CegarLoopResult]: For program point L712(lines 685 713) no Hoare annotation was computed. [2020-07-19 22:51:42,757 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-19 22:51:42,757 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-19 22:51:42,757 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:51:42,757 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-19 22:51:42,757 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:51:42,758 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,758 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,758 INFO L264 CegarLoopResult]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,758 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-07-19 22:51:42,758 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2020-07-19 22:51:42,758 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2020-07-19 22:51:42,758 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-19 22:51:42,759 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,759 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,759 INFO L264 CegarLoopResult]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,759 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2020-07-19 22:51:42,759 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2020-07-19 22:51:42,759 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2020-07-19 22:51:42,759 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 22:51:42,760 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-07-19 22:51:42,761 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-07-19 22:51:42,761 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-07-19 22:51:42,762 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2020-07-19 22:51:42,763 INFO L268 CegarLoopResult]: For program point L885(lines 885 905) no Hoare annotation was computed. [2020-07-19 22:51:42,764 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2020-07-19 22:51:42,764 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2020-07-19 22:51:42,764 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2020-07-19 22:51:42,764 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,764 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2020-07-19 22:51:42,764 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2020-07-19 22:51:42,764 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2020-07-19 22:51:42,764 INFO L271 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-07-19 22:51:42,765 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-07-19 22:51:42,766 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-07-19 22:51:42,766 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse0 .cse7 .cse4) (or .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 22:51:42,766 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-07-19 22:51:42,766 INFO L268 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2020-07-19 22:51:42,766 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2020-07-19 22:51:42,766 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse8 .cse6 .cse4))) [2020-07-19 22:51:42,767 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse3))) [2020-07-19 22:51:42,767 INFO L268 CegarLoopResult]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2020-07-19 22:51:42,767 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse1 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse4))) [2020-07-19 22:51:42,767 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (not (= 0 processEnvironment_~tmp~0)) (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse4) (or .cse6 .cse5 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-19 22:51:42,767 INFO L268 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2020-07-19 22:51:42,767 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2020-07-19 22:51:42,767 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2020-07-19 22:51:42,768 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:51:42,768 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse1 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-19 22:51:42,768 INFO L264 CegarLoopResult]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse1 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-19 22:51:42,768 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-07-19 22:51:42,768 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-07-19 22:51:42,768 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2020-07-19 22:51:42,769 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-07-19 22:51:42,769 INFO L264 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:51:42,769 INFO L268 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-07-19 22:51:42,769 INFO L264 CegarLoopResult]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse8 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse4) (not .cse4))) [2020-07-19 22:51:42,769 INFO L268 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2020-07-19 22:51:42,769 INFO L268 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2020-07-19 22:51:42,769 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse8 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse4) (not .cse4))) [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2020-07-19 22:51:42,770 INFO L268 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point L839(lines 839 859) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-19 22:51:42,771 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point L768(lines 768 809) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point L810(lines 810 821) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2020-07-19 22:51:42,772 INFO L268 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L792(lines 770 793) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L751(lines 751 767) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L772(lines 771 791) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,773 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2020-07-19 22:51:42,774 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 22:51:42,774 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse7 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse2)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4)))) [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-19 22:51:42,774 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2020-07-19 22:51:42,774 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-19 22:51:42,775 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2020-07-19 22:51:42,775 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-19 22:51:42,775 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2020-07-19 22:51:42,775 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2020-07-19 22:51:42,775 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-19 22:51:42,775 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-19 22:51:42,775 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-19 22:51:42,775 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse5 .cse4))) [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-19 22:51:42,776 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-19 22:51:42,777 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse3) (or .cse5 .cse4 .cse6 .cse3) (or .cse1 .cse4 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-19 22:51:42,777 INFO L268 CegarLoopResult]: For program point L95(lines 94 113) no Hoare annotation was computed. [2020-07-19 22:51:42,777 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse10 .cse11)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse8 .cse9 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse8 .cse9 .cse6 .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4)))) [2020-07-19 22:51:42,777 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2020-07-19 22:51:42,777 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse9 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse2 .cse9 .cse4) (or .cse8 .cse10 .cse1 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse1 .cse10 .cse2 .cse4))) [2020-07-19 22:51:42,777 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2020-07-19 22:51:42,778 INFO L264 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0))) (let ((.cse0 (and .cse14 .cse13)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (= 0 ~pumpRunning~0) .cse14)) (.cse10 (and (= 1 ~waterLevel~0) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse11 .cse4) (or .cse8 .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse10 .cse1 .cse2 .cse11 .cse4) (or .cse9 .cse12 .cse6 .cse4) (or .cse5 .cse9 .cse6 .cse7 .cse4) (or .cse6 .cse12 .cse2 .cse4)))) [2020-07-19 22:51:42,778 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2020-07-19 22:51:42,778 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 22:51:42,778 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2020-07-19 22:51:42,778 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-19 22:51:42,778 INFO L271 CegarLoopResult]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2020-07-19 22:51:42,778 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-19 22:51:42,778 INFO L271 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2020-07-19 22:51:42,778 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-07-19 22:51:42,779 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-19 22:51:42,779 INFO L271 CegarLoopResult]: At program point L482(lines 457 486) the Hoare annotation is: true [2020-07-19 22:51:42,779 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2) (or .cse0 .cse5 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2020-07-19 22:51:42,779 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2020-07-19 22:51:42,779 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-19 22:51:42,779 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2020-07-19 22:51:42,779 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse4 .cse5 .cse3 .cse2) (or .cse4 .cse5 .cse1 .cse2))) [2020-07-19 22:51:42,779 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-19 22:51:42,779 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-19 22:51:42,780 INFO L268 CegarLoopResult]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2020-07-19 22:51:42,780 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:51:42,780 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-19 22:51:42,780 INFO L268 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2020-07-19 22:51:42,780 INFO L271 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: true [2020-07-19 22:51:42,780 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-19 22:51:42,780 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-19 22:51:42,780 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:51:42,781 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-19 22:51:42,781 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2020-07-19 22:51:42,781 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2020-07-19 22:51:42,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,781 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:51:42,781 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:51:42,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:51:42,781 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-19 22:51:42,782 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-19 22:51:42,782 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse1 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2020-07-19 22:51:42,782 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-19 22:51:42,782 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-19 22:51:42,782 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-19 22:51:42,782 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-19 22:51:42,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:51:42 BoogieIcfgContainer [2020-07-19 22:51:42,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:51:42,805 INFO L168 Benchmark]: Toolchain (without parser) took 65579.12 ms. Allocated memory was 138.9 MB in the beginning and 833.6 MB in the end (delta: 694.7 MB). Free memory was 102.8 MB in the beginning and 568.4 MB in the end (delta: -465.6 MB). Peak memory consumption was 697.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:42,806 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 22:51:42,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.69 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 173.6 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:42,807 INFO L168 Benchmark]: Boogie Preprocessor took 111.44 ms. Allocated memory is still 203.4 MB. Free memory was 173.6 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:42,808 INFO L168 Benchmark]: RCFGBuilder took 1158.82 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.5 MB in the beginning and 200.7 MB in the end (delta: -31.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:42,809 INFO L168 Benchmark]: TraceAbstraction took 63659.33 ms. Allocated memory was 237.0 MB in the beginning and 833.6 MB in the end (delta: 596.6 MB). Free memory was 200.7 MB in the beginning and 568.4 MB in the end (delta: -367.7 MB). Peak memory consumption was 697.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:42,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.69 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 173.6 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.44 ms. Allocated memory is still 203.4 MB. Free memory was 173.6 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.82 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.5 MB in the beginning and 200.7 MB in the end (delta: -31.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63659.33 ms. Allocated memory was 237.0 MB in the beginning and 833.6 MB in the end (delta: 596.6 MB). Free memory was 200.7 MB in the beginning and 568.4 MB in the end (delta: -367.7 MB). Peak memory consumption was 697.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((((((((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.0s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 30.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1410 SDtfs, 2453 SDslu, 2228 SDs, 0 SdLazy, 7570 SolverSat, 1553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 383 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=998occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 476 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1829 PreInvPairs, 1925 NumberOfFragments, 2787 HoareAnnotationTreeSize, 1829 FomulaSimplifications, 7074050 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 304536 FormulaSimplificationTreeSizeReductionInter, 20.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 295256 SizeOfPredicates, 6 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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...