/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -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-d623d84 [2020-07-21 10:37:06,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:37:06,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:37:06,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:37:06,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:37:06,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:37:06,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:37:06,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:37:06,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:37:06,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:37:06,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:37:06,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:37:06,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:37:06,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:37:06,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:37:06,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:37:06,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:37:06,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:37:06,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:37:06,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:37:06,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:37:06,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:37:06,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:37:06,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:37:06,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:37:06,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:37:06,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:37:06,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:37:06,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:37:06,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:37:06,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:37:06,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:37:06,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:37:06,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:37:06,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:37:06,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:37:06,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:37:06,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:37:06,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:37:06,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:37:06,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:37:06,093 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 [2020-07-21 10:37:06,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:37:06,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:37:06,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:37:06,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:37:06,109 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:37:06,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:37:06,109 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:37:06,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:37:06,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:37:06,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:37:06,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:37:06,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:37:06,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:37:06,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:37:06,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:37:06,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:37:06,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:37:06,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:37:06,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:37:06,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:37:06,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:37:06,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:06,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:37:06,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:37:06,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:37:06,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:37:06,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:06,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:37:06,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:37:06,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:37:06,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:37:06,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:37:06,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:37:06,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:37:06,419 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:37:06,420 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-21 10:37:06,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c27bdea/9e8418bade9745559792e9a8e2ce927a/FLAGc17238390 [2020-07-21 10:37:07,032 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:37:07,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-21 10:37:07,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c27bdea/9e8418bade9745559792e9a8e2ce927a/FLAGc17238390 [2020-07-21 10:37:07,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c27bdea/9e8418bade9745559792e9a8e2ce927a [2020-07-21 10:37:07,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:37:07,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:37:07,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:07,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:37:07,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:37:07,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:07" (1/1) ... [2020-07-21 10:37:07,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22bdf6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:07, skipping insertion in model container [2020-07-21 10:37:07,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:07" (1/1) ... [2020-07-21 10:37:07,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:37:07,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:37:07,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:07,987 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:37:08,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:08,091 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:37:08,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08 WrapperNode [2020-07-21 10:37:08,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:08,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:37:08,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:37:08,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:37:08,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ... [2020-07-21 10:37:08,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:37:08,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:37:08,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:37:08,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:37:08,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (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 [2020-07-21 10:37:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:37:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:37:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:37:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:37:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:37:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:37:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:37:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:37:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:37:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:37:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:37:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:37:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:37:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:37:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:37:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:37:09,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:37:09,347 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:37:09,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:09 BoogieIcfgContainer [2020-07-21 10:37:09,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:37:09,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:37:09,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:37:09,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:37:09,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:07" (1/3) ... [2020-07-21 10:37:09,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f185c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:09, skipping insertion in model container [2020-07-21 10:37:09,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (2/3) ... [2020-07-21 10:37:09,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f185c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:09, skipping insertion in model container [2020-07-21 10:37:09,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:09" (3/3) ... [2020-07-21 10:37:09,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-07-21 10:37:09,371 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:37:09,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:37:09,393 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:37:09,418 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:37:09,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:37:09,418 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:37:09,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:37:09,419 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:37:09,419 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:37:09,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:37:09,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:37:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-21 10:37:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:37:09,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:09,454 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] [2020-07-21 10:37:09,455 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:09,461 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-07-21 10:37:09,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:09,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192515737] [2020-07-21 10:37:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:09,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:37:09,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:09,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:09,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192515737] [2020-07-21 10:37:09,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:09,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:37:09,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050435640] [2020-07-21 10:37:09,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:37:09,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:09,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:37:09,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:09,813 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2020-07-21 10:37:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:09,852 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2020-07-21 10:37:09,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:37:09,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-21 10:37:09,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:09,866 INFO L225 Difference]: With dead ends: 246 [2020-07-21 10:37:09,866 INFO L226 Difference]: Without dead ends: 123 [2020-07-21 10:37:09,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:09,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-21 10:37:09,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-21 10:37:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 10:37:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-21 10:37:09,927 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-07-21 10:37:09,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:09,927 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-21 10:37:09,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:37:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-21 10:37:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 10:37:09,932 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:09,932 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] [2020-07-21 10:37:10,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:10,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:10,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-07-21 10:37:10,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:10,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884792412] [2020-07-21 10:37:10,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:10,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:10,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:10,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:10,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884792412] [2020-07-21 10:37:10,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:10,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:10,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739643959] [2020-07-21 10:37:10,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:10,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:10,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:10,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:10,397 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2020-07-21 10:37:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:10,432 INFO L93 Difference]: Finished difference Result 222 states and 267 transitions. [2020-07-21 10:37:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:10,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-21 10:37:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:10,436 INFO L225 Difference]: With dead ends: 222 [2020-07-21 10:37:10,436 INFO L226 Difference]: Without dead ends: 123 [2020-07-21 10:37:10,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-21 10:37:10,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-21 10:37:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 10:37:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-21 10:37:10,454 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 53 [2020-07-21 10:37:10,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:10,454 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-21 10:37:10,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-21 10:37:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 10:37:10,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:10,457 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] [2020-07-21 10:37:10,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:10,673 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:10,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:10,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1928372500, now seen corresponding path program 1 times [2020-07-21 10:37:10,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:10,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344783909] [2020-07-21 10:37:10,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:10,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:10,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:10,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:10,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344783909] [2020-07-21 10:37:10,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:10,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:10,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053535365] [2020-07-21 10:37:10,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:10,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:10,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:10,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:10,896 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-21 10:37:10,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:10,914 INFO L93 Difference]: Finished difference Result 195 states and 225 transitions. [2020-07-21 10:37:10,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:10,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-21 10:37:10,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:10,916 INFO L225 Difference]: With dead ends: 195 [2020-07-21 10:37:10,917 INFO L226 Difference]: Without dead ends: 114 [2020-07-21 10:37:10,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:10,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-21 10:37:10,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-21 10:37:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-21 10:37:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-21 10:37:10,931 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 61 [2020-07-21 10:37:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:10,932 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-21 10:37:10,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-21 10:37:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:37:10,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:10,935 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] [2020-07-21 10:37:11,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:11,149 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:11,149 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-07-21 10:37:11,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:11,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841765188] [2020-07-21 10:37:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:11,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:37:11,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:11,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:11,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841765188] [2020-07-21 10:37:11,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:11,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:11,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522743162] [2020-07-21 10:37:11,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:11,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:11,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:11,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:11,419 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 6 states. [2020-07-21 10:37:11,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:11,748 INFO L93 Difference]: Finished difference Result 285 states and 349 transitions. [2020-07-21 10:37:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:11,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-21 10:37:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:11,753 INFO L225 Difference]: With dead ends: 285 [2020-07-21 10:37:11,753 INFO L226 Difference]: Without dead ends: 195 [2020-07-21 10:37:11,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-21 10:37:11,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2020-07-21 10:37:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-21 10:37:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 230 transitions. [2020-07-21 10:37:11,782 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 230 transitions. Word has length 65 [2020-07-21 10:37:11,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:11,783 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 230 transitions. [2020-07-21 10:37:11,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2020-07-21 10:37:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-21 10:37:11,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:11,786 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] [2020-07-21 10:37:12,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:12,002 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:12,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1046465522, now seen corresponding path program 1 times [2020-07-21 10:37:12,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:12,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895791055] [2020-07-21 10:37:12,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:12,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 10:37:12,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:12,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:12,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895791055] [2020-07-21 10:37:12,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:12,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:12,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353327664] [2020-07-21 10:37:12,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:12,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:12,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:12,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:12,246 INFO L87 Difference]: Start difference. First operand 193 states and 230 transitions. Second operand 6 states. [2020-07-21 10:37:12,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:12,741 INFO L93 Difference]: Finished difference Result 473 states and 580 transitions. [2020-07-21 10:37:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:37:12,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-21 10:37:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:12,746 INFO L225 Difference]: With dead ends: 473 [2020-07-21 10:37:12,746 INFO L226 Difference]: Without dead ends: 304 [2020-07-21 10:37:12,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:37:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-21 10:37:12,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2020-07-21 10:37:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-21 10:37:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 353 transitions. [2020-07-21 10:37:12,779 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 353 transitions. Word has length 69 [2020-07-21 10:37:12,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:12,779 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 353 transitions. [2020-07-21 10:37:12,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 353 transitions. [2020-07-21 10:37:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 10:37:12,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:12,782 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] [2020-07-21 10:37:12,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:12,997 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:12,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:12,998 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-07-21 10:37:12,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:12,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838542338] [2020-07-21 10:37:12,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:13,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:37:13,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:13,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:13,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838542338] [2020-07-21 10:37:13,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:13,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:37:13,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591279535] [2020-07-21 10:37:13,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:37:13,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:13,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:37:13,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:37:13,188 INFO L87 Difference]: Start difference. First operand 301 states and 353 transitions. Second operand 5 states. [2020-07-21 10:37:13,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:13,224 INFO L93 Difference]: Finished difference Result 581 states and 691 transitions. [2020-07-21 10:37:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:37:13,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-07-21 10:37:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:13,228 INFO L225 Difference]: With dead ends: 581 [2020-07-21 10:37:13,228 INFO L226 Difference]: Without dead ends: 304 [2020-07-21 10:37:13,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:37:13,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-21 10:37:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2020-07-21 10:37:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-21 10:37:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 352 transitions. [2020-07-21 10:37:13,254 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 352 transitions. Word has length 83 [2020-07-21 10:37:13,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:13,255 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 352 transitions. [2020-07-21 10:37:13,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:37:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 352 transitions. [2020-07-21 10:37:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 10:37:13,257 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:13,257 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] [2020-07-21 10:37:13,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:13,471 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:13,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:13,471 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-07-21 10:37:13,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:13,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007007574] [2020-07-21 10:37:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:13,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 10:37:13,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:13,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:13,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007007574] [2020-07-21 10:37:13,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:13,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:13,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352137189] [2020-07-21 10:37:13,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:13,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:13,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:13,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:13,678 INFO L87 Difference]: Start difference. First operand 301 states and 352 transitions. Second operand 6 states. [2020-07-21 10:37:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:13,728 INFO L93 Difference]: Finished difference Result 585 states and 699 transitions. [2020-07-21 10:37:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:13,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-21 10:37:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:13,734 INFO L225 Difference]: With dead ends: 585 [2020-07-21 10:37:13,734 INFO L226 Difference]: Without dead ends: 308 [2020-07-21 10:37:13,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:37:13,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-21 10:37:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 303. [2020-07-21 10:37:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-07-21 10:37:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 354 transitions. [2020-07-21 10:37:13,768 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 354 transitions. Word has length 83 [2020-07-21 10:37:13,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:13,769 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 354 transitions. [2020-07-21 10:37:13,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 354 transitions. [2020-07-21 10:37:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-21 10:37:13,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:13,771 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] [2020-07-21 10:37:13,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:13,985 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:13,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:13,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-07-21 10:37:13,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:13,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601772567] [2020-07-21 10:37:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:14,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-21 10:37:14,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:14,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:14,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601772567] [2020-07-21 10:37:14,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:14,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:37:14,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647268573] [2020-07-21 10:37:14,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:37:14,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:14,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:37:14,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:14,271 INFO L87 Difference]: Start difference. First operand 303 states and 354 transitions. Second operand 8 states. [2020-07-21 10:37:14,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:14,790 INFO L93 Difference]: Finished difference Result 828 states and 990 transitions. [2020-07-21 10:37:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:37:14,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-07-21 10:37:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:14,795 INFO L225 Difference]: With dead ends: 828 [2020-07-21 10:37:14,795 INFO L226 Difference]: Without dead ends: 549 [2020-07-21 10:37:14,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:14,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-21 10:37:14,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 546. [2020-07-21 10:37:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-07-21 10:37:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 640 transitions. [2020-07-21 10:37:14,829 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 640 transitions. Word has length 95 [2020-07-21 10:37:14,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:14,830 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 640 transitions. [2020-07-21 10:37:14,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:37:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 640 transitions. [2020-07-21 10:37:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-21 10:37:14,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:14,832 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] [2020-07-21 10:37:15,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:15,047 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:15,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:15,048 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2020-07-21 10:37:15,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:15,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273346208] [2020-07-21 10:37:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:15,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 10:37:15,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 10:37:15,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:15,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273346208] [2020-07-21 10:37:15,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:15,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:15,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182106481] [2020-07-21 10:37:15,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:15,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:15,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:15,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:15,283 INFO L87 Difference]: Start difference. First operand 546 states and 640 transitions. Second operand 6 states. [2020-07-21 10:37:15,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:15,596 INFO L93 Difference]: Finished difference Result 1032 states and 1231 transitions. [2020-07-21 10:37:15,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:15,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-07-21 10:37:15,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:15,601 INFO L225 Difference]: With dead ends: 1032 [2020-07-21 10:37:15,601 INFO L226 Difference]: Without dead ends: 510 [2020-07-21 10:37:15,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:15,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-07-21 10:37:15,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2020-07-21 10:37:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-07-21 10:37:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 588 transitions. [2020-07-21 10:37:15,634 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 588 transitions. Word has length 99 [2020-07-21 10:37:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:15,635 INFO L479 AbstractCegarLoop]: Abstraction has 510 states and 588 transitions. [2020-07-21 10:37:15,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 588 transitions. [2020-07-21 10:37:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-21 10:37:15,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:15,639 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] [2020-07-21 10:37:15,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:15,853 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:15,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2020-07-21 10:37:15,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:15,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434186760] [2020-07-21 10:37:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:16,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 10:37:16,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:16,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:16,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434186760] [2020-07-21 10:37:16,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:16,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:16,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254741592] [2020-07-21 10:37:16,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:16,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:16,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:16,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:16,085 INFO L87 Difference]: Start difference. First operand 510 states and 588 transitions. Second operand 6 states. [2020-07-21 10:37:16,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:16,245 INFO L93 Difference]: Finished difference Result 512 states and 591 transitions. [2020-07-21 10:37:16,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:16,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-07-21 10:37:16,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:16,246 INFO L225 Difference]: With dead ends: 512 [2020-07-21 10:37:16,247 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:37:16,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:16,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:37:16,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:37:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:37:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:37:16,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-07-21 10:37:16,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:16,249 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:37:16,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:37:16,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:37:16,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:16,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:37:17,478 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-07-21 10:37:17,759 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2020-07-21 10:37:17,994 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-07-21 10:37:18,272 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-07-21 10:37:18,804 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-07-21 10:37:18,937 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-07-21 10:37:19,234 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-07-21 10:37:19,767 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 10:37:20,279 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-07-21 10:37:20,467 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-07-21 10:37:20,603 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point L651(lines 628 652) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2020-07-21 10:37:20,604 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2020-07-21 10:37:20,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2020-07-21 10:37:20,606 INFO L268 CegarLoopResult]: For program point L712(lines 685 713) no Hoare annotation was computed. [2020-07-21 10:37:20,606 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 10:37:20,606 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 10:37:20,606 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:37:20,606 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 10:37:20,606 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:37:20,607 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,607 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,607 INFO L264 CegarLoopResult]: At program point L540-1(line 540) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,607 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-07-21 10:37:20,607 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2020-07-21 10:37:20,607 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2020-07-21 10:37:20,607 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 10:37:20,608 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,608 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,608 INFO L264 CegarLoopResult]: At program point L534-1(line 534) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,608 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2020-07-21 10:37:20,608 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2020-07-21 10:37:20,608 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 10:37:20,609 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-07-21 10:37:20,610 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-07-21 10:37:20,611 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-21 10:37:20,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L268 CegarLoopResult]: For program point L885(lines 885 905) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,613 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2020-07-21 10:37:20,613 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2020-07-21 10:37:20,614 INFO L271 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-07-21 10:37:20,614 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-07-21 10:37:20,615 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-07-21 10:37:20,615 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-07-21 10:37:20,615 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5))) [2020-07-21 10:37:20,615 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-07-21 10:37:20,615 INFO L268 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2020-07-21 10:37:20,615 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2020-07-21 10:37:20,616 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-21 10:37:20,616 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-21 10:37:20,616 INFO L268 CegarLoopResult]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2020-07-21 10:37:20,616 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse3 .cse4 .cse5))) [2020-07-21 10:37:20,616 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (<= 1 processEnvironment_~tmp~0) .cse7)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse5 .cse2 .cse6) (or .cse0 .cse3 .cse4 .cse5 .cse6)))) [2020-07-21 10:37:20,616 INFO L268 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2020-07-21 10:37:20,617 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2020-07-21 10:37:20,617 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2020-07-21 10:37:20,617 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-21 10:37:20,617 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse1))) [2020-07-21 10:37:20,617 INFO L264 CegarLoopResult]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse1))) [2020-07-21 10:37:20,617 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-07-21 10:37:20,617 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-07-21 10:37:20,618 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2020-07-21 10:37:20,618 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-07-21 10:37:20,618 INFO L264 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:20,618 INFO L268 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-07-21 10:37:20,618 INFO L264 CegarLoopResult]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-07-21 10:37:20,618 INFO L268 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2020-07-21 10:37:20,618 INFO L268 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2020-07-21 10:37:20,619 INFO L268 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-07-21 10:37:20,620 INFO L268 CegarLoopResult]: For program point L839(lines 839 859) no Hoare annotation was computed. [2020-07-21 10:37:20,620 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2020-07-21 10:37:20,620 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:37:20,620 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2020-07-21 10:37:20,620 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2020-07-21 10:37:20,620 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-21 10:37:20,620 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point L768(lines 768 809) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2020-07-21 10:37:20,621 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point L810(lines 810 821) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point L792(lines 770 793) no Hoare annotation was computed. [2020-07-21 10:37:20,622 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point L751(lines 751 767) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point L772(lines 771 791) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,623 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-21 10:37:20,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,624 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-21 10:37:20,624 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2020-07-21 10:37:20,624 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:37:20,624 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse2)))) [2020-07-21 10:37:20,624 INFO L268 CegarLoopResult]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2020-07-21 10:37:20,624 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-21 10:37:20,625 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:37:20,625 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2020-07-21 10:37:20,625 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-21 10:37:20,625 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2020-07-21 10:37:20,625 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-21 10:37:20,625 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2020-07-21 10:37:20,625 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2020-07-21 10:37:20,625 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-21 10:37:20,626 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-21 10:37:20,626 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-21 10:37:20,626 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-21 10:37:20,626 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse3 .cse6))) [2020-07-21 10:37:20,626 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-21 10:37:20,626 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-21 10:37:20,626 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,626 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,627 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,627 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-07-21 10:37:20,627 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-21 10:37:20,627 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-21 10:37:20,627 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse7) (or .cse1 .cse7 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse5))) [2020-07-21 10:37:20,627 INFO L268 CegarLoopResult]: For program point L95(lines 94 113) no Hoare annotation was computed. [2020-07-21 10:37:20,628 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-21 10:37:20,628 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2020-07-21 10:37:20,628 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-21 10:37:20,628 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2020-07-21 10:37:20,628 INFO L264 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse7 .cse6 .cse8 .cse9) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse6 .cse3 (and .cse8 .cse4) .cse9) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-21 10:37:20,629 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2020-07-21 10:37:20,629 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 10:37:20,629 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2020-07-21 10:37:20,629 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-21 10:37:20,629 INFO L271 CegarLoopResult]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2020-07-21 10:37:20,629 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-21 10:37:20,629 INFO L271 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2020-07-21 10:37:20,629 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-07-21 10:37:20,629 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-21 10:37:20,630 INFO L271 CegarLoopResult]: At program point L482(lines 457 486) the Hoare annotation is: true [2020-07-21 10:37:20,630 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse3))) [2020-07-21 10:37:20,630 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2020-07-21 10:37:20,630 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-21 10:37:20,630 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2020-07-21 10:37:20,630 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse3))) [2020-07-21 10:37:20,631 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-21 10:37:20,631 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-21 10:37:20,631 INFO L268 CegarLoopResult]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2020-07-21 10:37:20,631 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))))) [2020-07-21 10:37:20,631 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 10:37:20,631 INFO L268 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2020-07-21 10:37:20,631 INFO L271 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: true [2020-07-21 10:37:20,631 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-21 10:37:20,632 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-21 10:37:20,632 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 10:37:20,632 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-21 10:37:20,632 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2020-07-21 10:37:20,632 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2020-07-21 10:37:20,632 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,632 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:37:20,633 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:20,633 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:20,633 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-21 10:37:20,633 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-21 10:37:20,633 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6))) [2020-07-21 10:37:20,633 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-21 10:37:20,634 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-21 10:37:20,634 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-21 10:37:20,634 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-21 10:37:20,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:20 BoogieIcfgContainer [2020-07-21 10:37:20,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:37:20,653 INFO L168 Benchmark]: Toolchain (without parser) took 13252.39 ms. Allocated memory was 137.4 MB in the beginning and 370.1 MB in the end (delta: 232.8 MB). Free memory was 101.0 MB in the beginning and 299.6 MB in the end (delta: -198.6 MB). Peak memory consumption was 250.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:20,654 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:37:20,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.16 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 168.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:20,656 INFO L168 Benchmark]: Boogie Preprocessor took 93.73 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:20,657 INFO L168 Benchmark]: RCFGBuilder took 1165.27 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 164.8 MB in the beginning and 197.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:20,658 INFO L168 Benchmark]: TraceAbstraction took 11298.00 ms. Allocated memory was 232.3 MB in the beginning and 370.1 MB in the end (delta: 137.9 MB). Free memory was 196.0 MB in the beginning and 299.6 MB in the end (delta: -103.6 MB). Peak memory consumption was 250.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:20,662 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 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.16 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 168.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.73 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1165.27 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 164.8 MB in the beginning and 197.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11298.00 ms. Allocated memory was 232.3 MB in the beginning and 370.1 MB in the end (delta: 137.9 MB). Free memory was 196.0 MB in the beginning and 299.6 MB in the end (delta: -103.6 MB). Peak memory consumption was 250.6 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: ((((((!(\old(waterLevel) <= 1) || ((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || ((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= pumpRunning)) || ((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) - 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: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1532 SDtfs, 619 SDslu, 3328 SDs, 0 SdLazy, 686 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 758 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 995 PreInvPairs, 1064 NumberOfFragments, 1848 HoareAnnotationTreeSize, 995 FomulaSimplifications, 480 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 4336 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 105277 SizeOfPredicates, 25 NumberOfNonLiveVariables, 7055 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 9/9 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...