/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_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:03,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:03,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:03,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:03,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:03,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:03,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:03,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:03,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:03,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:03,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:03,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:03,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:03,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:03,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:03,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:03,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:03,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:03,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:03,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:03,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:03,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:03,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:03,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:03,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:03,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:03,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:03,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:03,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:03,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:03,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:03,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:03,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:03,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:03,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:03,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:03,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:03,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:03,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:03,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:03,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:03,058 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 [2020-07-20 10:44:03,073 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:03,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:03,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:03,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:03,075 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:03,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:03,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:03,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:03,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:03,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:03,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:03,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:03,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:03,077 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:03,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:03,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:03,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:03,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:03,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:03,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:03,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:03,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:03,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:03,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:03,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:03,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:03,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:03,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:03,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:03,080 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 [2020-07-20 10:44:03,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:03,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:03,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:03,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:03,379 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:03,379 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-20 10:44:03,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133db5db5/4b72c94c501e4252bc6079d77aa70324/FLAGea4ce228f [2020-07-20 10:44:04,066 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:04,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-20 10:44:04,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133db5db5/4b72c94c501e4252bc6079d77aa70324/FLAGea4ce228f [2020-07-20 10:44:04,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133db5db5/4b72c94c501e4252bc6079d77aa70324 [2020-07-20 10:44:04,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:04,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:04,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:04,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:04,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:04,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:04" (1/1) ... [2020-07-20 10:44:04,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ede25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:04, skipping insertion in model container [2020-07-20 10:44:04,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:04" (1/1) ... [2020-07-20 10:44:04,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:04,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:04,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:04,906 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:04,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:05,024 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:05,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05 WrapperNode [2020-07-20 10:44:05,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:05,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:05,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:05,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:05,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (1/1) ... [2020-07-20 10:44:05,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:05,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:05,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:05,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:05,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (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 [2020-07-20 10:44:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:44:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:44:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:44:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:44:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:44:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:06,302 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:06,303 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:06,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:06 BoogieIcfgContainer [2020-07-20 10:44:06,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:06,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:06,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:06,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:06,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:04" (1/3) ... [2020-07-20 10:44:06,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4211f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:06, skipping insertion in model container [2020-07-20 10:44:06,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:05" (2/3) ... [2020-07-20 10:44:06,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4211f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:06, skipping insertion in model container [2020-07-20 10:44:06,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:06" (3/3) ... [2020-07-20 10:44:06,316 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-07-20 10:44:06,326 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:06,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:06,351 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:06,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:06,377 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:06,377 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:06,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:06,378 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:06,378 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:06,378 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:06,378 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-20 10:44:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:06,411 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:06,412 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:06,413 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:06,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:06,419 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2020-07-20 10:44:06,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:06,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261293535] [2020-07-20 10:44:06,428 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 [2020-07-20 10:44:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:06,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:06,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:06,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:06,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261293535] [2020-07-20 10:44:06,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:06,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:06,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833000402] [2020-07-20 10:44:06,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:06,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:06,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:06,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:06,735 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-07-20 10:44:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:06,785 INFO L93 Difference]: Finished difference Result 294 states and 365 transitions. [2020-07-20 10:44:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:06,790 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:06,805 INFO L225 Difference]: With dead ends: 294 [2020-07-20 10:44:06,806 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 10:44:06,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 10:44:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-20 10:44:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 10:44:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-20 10:44:06,902 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2020-07-20 10:44:06,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:06,903 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-20 10:44:06,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-20 10:44:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:44:06,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:06,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:07,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:07,125 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:07,126 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2020-07-20 10:44:07,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:07,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584820462] [2020-07-20 10:44:07,127 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 [2020-07-20 10:44:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:07,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:07,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:07,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:07,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584820462] [2020-07-20 10:44:07,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:07,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:07,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907682681] [2020-07-20 10:44:07,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:07,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:07,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:07,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:07,470 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states. [2020-07-20 10:44:07,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:07,535 INFO L93 Difference]: Finished difference Result 389 states and 474 transitions. [2020-07-20 10:44:07,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:07,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 10:44:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:07,542 INFO L225 Difference]: With dead ends: 389 [2020-07-20 10:44:07,542 INFO L226 Difference]: Without dead ends: 268 [2020-07-20 10:44:07,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:07,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-20 10:44:07,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 264. [2020-07-20 10:44:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-07-20 10:44:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 319 transitions. [2020-07-20 10:44:07,613 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 319 transitions. Word has length 64 [2020-07-20 10:44:07,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:07,613 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 319 transitions. [2020-07-20 10:44:07,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 319 transitions. [2020-07-20 10:44:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:44:07,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:07,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:07,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:07,839 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:07,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:07,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2020-07-20 10:44:07,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:07,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619220538] [2020-07-20 10:44:07,841 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 [2020-07-20 10:44:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:08,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:08,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:08,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:08,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619220538] [2020-07-20 10:44:08,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:08,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:08,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025929958] [2020-07-20 10:44:08,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:08,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:08,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:08,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:08,082 INFO L87 Difference]: Start difference. First operand 264 states and 319 transitions. Second operand 6 states. [2020-07-20 10:44:08,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:08,367 INFO L93 Difference]: Finished difference Result 658 states and 839 transitions. [2020-07-20 10:44:08,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:44:08,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:44:08,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:08,373 INFO L225 Difference]: With dead ends: 658 [2020-07-20 10:44:08,373 INFO L226 Difference]: Without dead ends: 422 [2020-07-20 10:44:08,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:44:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-20 10:44:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-07-20 10:44:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-07-20 10:44:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 505 transitions. [2020-07-20 10:44:08,425 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 505 transitions. Word has length 70 [2020-07-20 10:44:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:08,426 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 505 transitions. [2020-07-20 10:44:08,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 505 transitions. [2020-07-20 10:44:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 10:44:08,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:08,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:08,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:08,645 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:08,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:08,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2020-07-20 10:44:08,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:08,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831235125] [2020-07-20 10:44:08,647 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 [2020-07-20 10:44:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:08,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:08,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:08,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:08,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831235125] [2020-07-20 10:44:08,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:08,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:08,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899215698] [2020-07-20 10:44:08,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:08,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:08,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:08,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:08,893 INFO L87 Difference]: Start difference. First operand 412 states and 505 transitions. Second operand 3 states. [2020-07-20 10:44:08,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:08,946 INFO L93 Difference]: Finished difference Result 1172 states and 1561 transitions. [2020-07-20 10:44:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:08,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-07-20 10:44:08,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:08,953 INFO L225 Difference]: With dead ends: 1172 [2020-07-20 10:44:08,953 INFO L226 Difference]: Without dead ends: 788 [2020-07-20 10:44:08,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:08,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-07-20 10:44:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 785. [2020-07-20 10:44:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-07-20 10:44:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1016 transitions. [2020-07-20 10:44:09,000 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1016 transitions. Word has length 107 [2020-07-20 10:44:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:09,001 INFO L479 AbstractCegarLoop]: Abstraction has 785 states and 1016 transitions. [2020-07-20 10:44:09,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1016 transitions. [2020-07-20 10:44:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 10:44:09,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:09,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:09,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:09,218 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:09,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:09,218 INFO L82 PathProgramCache]: Analyzing trace with hash 257320022, now seen corresponding path program 1 times [2020-07-20 10:44:09,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:09,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373600608] [2020-07-20 10:44:09,220 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 [2020-07-20 10:44:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:09,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:44:09,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:09,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:09,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373600608] [2020-07-20 10:44:09,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:09,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:09,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618100943] [2020-07-20 10:44:09,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:09,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:09,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:09,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:09,488 INFO L87 Difference]: Start difference. First operand 785 states and 1016 transitions. Second operand 6 states. [2020-07-20 10:44:10,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:10,846 INFO L93 Difference]: Finished difference Result 2691 states and 3860 transitions. [2020-07-20 10:44:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:44:10,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2020-07-20 10:44:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:10,863 INFO L225 Difference]: With dead ends: 2691 [2020-07-20 10:44:10,864 INFO L226 Difference]: Without dead ends: 1934 [2020-07-20 10:44:10,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:44:10,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-07-20 10:44:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1722. [2020-07-20 10:44:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states. [2020-07-20 10:44:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2400 transitions. [2020-07-20 10:44:10,992 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2400 transitions. Word has length 111 [2020-07-20 10:44:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:10,993 INFO L479 AbstractCegarLoop]: Abstraction has 1722 states and 2400 transitions. [2020-07-20 10:44:10,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2400 transitions. [2020-07-20 10:44:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 10:44:10,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:10,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:11,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:11,210 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:11,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:11,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1132412678, now seen corresponding path program 1 times [2020-07-20 10:44:11,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:11,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774513140] [2020-07-20 10:44:11,211 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 [2020-07-20 10:44:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:11,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:11,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:11,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:11,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774513140] [2020-07-20 10:44:11,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:11,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:11,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26510405] [2020-07-20 10:44:11,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:11,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:11,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:11,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:11,427 INFO L87 Difference]: Start difference. First operand 1722 states and 2400 transitions. Second operand 3 states. [2020-07-20 10:44:11,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:11,494 INFO L93 Difference]: Finished difference Result 2837 states and 3715 transitions. [2020-07-20 10:44:11,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:11,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 10:44:11,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:11,505 INFO L225 Difference]: With dead ends: 2837 [2020-07-20 10:44:11,505 INFO L226 Difference]: Without dead ends: 1542 [2020-07-20 10:44:11,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:11,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2020-07-20 10:44:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2020-07-20 10:44:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1542 states. [2020-07-20 10:44:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 1992 transitions. [2020-07-20 10:44:11,618 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 1992 transitions. Word has length 103 [2020-07-20 10:44:11,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:11,618 INFO L479 AbstractCegarLoop]: Abstraction has 1542 states and 1992 transitions. [2020-07-20 10:44:11,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1992 transitions. [2020-07-20 10:44:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 10:44:11,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:11,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:11,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:11,836 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:11,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:11,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2020-07-20 10:44:11,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:11,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29781537] [2020-07-20 10:44:11,837 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 [2020-07-20 10:44:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:12,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:12,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:12,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:12,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29781537] [2020-07-20 10:44:12,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:12,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:12,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150847352] [2020-07-20 10:44:12,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:12,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:12,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:12,048 INFO L87 Difference]: Start difference. First operand 1542 states and 1992 transitions. Second operand 6 states. [2020-07-20 10:44:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:12,138 INFO L93 Difference]: Finished difference Result 3098 states and 4218 transitions. [2020-07-20 10:44:12,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:12,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-20 10:44:12,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:12,148 INFO L225 Difference]: With dead ends: 3098 [2020-07-20 10:44:12,149 INFO L226 Difference]: Without dead ends: 1584 [2020-07-20 10:44:12,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:44:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2020-07-20 10:44:12,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1572. [2020-07-20 10:44:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2020-07-20 10:44:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2030 transitions. [2020-07-20 10:44:12,230 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2030 transitions. Word has length 107 [2020-07-20 10:44:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:12,230 INFO L479 AbstractCegarLoop]: Abstraction has 1572 states and 2030 transitions. [2020-07-20 10:44:12,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2030 transitions. [2020-07-20 10:44:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 10:44:12,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:12,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:12,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,446 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:12,446 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2020-07-20 10:44:12,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:12,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741256133] [2020-07-20 10:44:12,447 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 [2020-07-20 10:44:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:12,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:12,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:12,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:12,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741256133] [2020-07-20 10:44:12,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:12,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:12,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076644501] [2020-07-20 10:44:12,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:12,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:12,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:12,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:12,750 INFO L87 Difference]: Start difference. First operand 1572 states and 2030 transitions. Second operand 5 states. [2020-07-20 10:44:12,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:12,814 INFO L93 Difference]: Finished difference Result 2906 states and 3854 transitions. [2020-07-20 10:44:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:12,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-20 10:44:12,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:12,829 INFO L225 Difference]: With dead ends: 2906 [2020-07-20 10:44:12,829 INFO L226 Difference]: Without dead ends: 1362 [2020-07-20 10:44:12,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:12,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-07-20 10:44:12,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2020-07-20 10:44:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2020-07-20 10:44:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1736 transitions. [2020-07-20 10:44:12,915 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1736 transitions. Word has length 107 [2020-07-20 10:44:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:12,916 INFO L479 AbstractCegarLoop]: Abstraction has 1362 states and 1736 transitions. [2020-07-20 10:44:12,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1736 transitions. [2020-07-20 10:44:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 10:44:12,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:12,918 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:13,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:13,134 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:13,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2020-07-20 10:44:13,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:13,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156215665] [2020-07-20 10:44:13,136 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 [2020-07-20 10:44:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:13,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:13,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:13,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:13,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156215665] [2020-07-20 10:44:13,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:13,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:13,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380327484] [2020-07-20 10:44:13,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:13,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:13,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:13,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:13,428 INFO L87 Difference]: Start difference. First operand 1362 states and 1736 transitions. Second operand 10 states. [2020-07-20 10:44:15,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:15,088 INFO L93 Difference]: Finished difference Result 3457 states and 4861 transitions. [2020-07-20 10:44:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:15,089 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-07-20 10:44:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:15,110 INFO L225 Difference]: With dead ends: 3457 [2020-07-20 10:44:15,110 INFO L226 Difference]: Without dead ends: 2123 [2020-07-20 10:44:15,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-07-20 10:44:15,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1495. [2020-07-20 10:44:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-07-20 10:44:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1846 transitions. [2020-07-20 10:44:15,232 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1846 transitions. Word has length 111 [2020-07-20 10:44:15,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:15,234 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 1846 transitions. [2020-07-20 10:44:15,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1846 transitions. [2020-07-20 10:44:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 10:44:15,239 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:15,239 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:15,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,453 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:15,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1275430475, now seen corresponding path program 1 times [2020-07-20 10:44:15,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:15,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216751315] [2020-07-20 10:44:15,455 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 [2020-07-20 10:44:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:15,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:15,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:15,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:15,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216751315] [2020-07-20 10:44:15,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:15,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:15,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585619993] [2020-07-20 10:44:15,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:15,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:15,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:15,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:15,715 INFO L87 Difference]: Start difference. First operand 1495 states and 1846 transitions. Second operand 3 states. [2020-07-20 10:44:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:15,825 INFO L93 Difference]: Finished difference Result 1856 states and 2287 transitions. [2020-07-20 10:44:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:15,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-20 10:44:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:15,830 INFO L225 Difference]: With dead ends: 1856 [2020-07-20 10:44:15,830 INFO L226 Difference]: Without dead ends: 692 [2020-07-20 10:44:15,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:15,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-07-20 10:44:15,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 674. [2020-07-20 10:44:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-07-20 10:44:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 801 transitions. [2020-07-20 10:44:15,868 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 801 transitions. Word has length 152 [2020-07-20 10:44:15,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:15,868 INFO L479 AbstractCegarLoop]: Abstraction has 674 states and 801 transitions. [2020-07-20 10:44:15,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 801 transitions. [2020-07-20 10:44:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-20 10:44:15,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:15,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:16,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,086 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times [2020-07-20 10:44:16,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:16,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141844139] [2020-07-20 10:44:16,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:16,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:16,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:16,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 10:44:16,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141844139] [2020-07-20 10:44:16,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:16,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:16,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117963750] [2020-07-20 10:44:16,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:16,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:16,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:16,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:16,846 INFO L87 Difference]: Start difference. First operand 674 states and 801 transitions. Second operand 10 states. [2020-07-20 10:44:17,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:17,774 INFO L93 Difference]: Finished difference Result 1449 states and 1751 transitions. [2020-07-20 10:44:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:17,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-07-20 10:44:17,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:17,777 INFO L225 Difference]: With dead ends: 1449 [2020-07-20 10:44:17,777 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:17,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 327 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:17,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:17,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-07-20 10:44:17,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:17,782 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:17,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:17,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:17,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:20,142 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 10:44:21,189 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2020-07-20 10:44:21,671 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-20 10:44:21,949 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-07-20 10:44:22,079 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-07-20 10:44:22,294 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2020-07-20 10:44:22,423 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2020-07-20 10:44:22,656 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 10:44:22,861 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 10:44:23,138 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-07-20 10:44:23,494 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-20 10:44:23,838 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-20 10:44:24,307 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-07-20 10:44:24,548 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-07-20 10:44:24,738 INFO L268 CegarLoopResult]: For program point L544(lines 521 545) no Hoare annotation was computed. [2020-07-20 10:44:24,738 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 497 552) no Hoare annotation was computed. [2020-07-20 10:44:24,738 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-07-20 10:44:24,738 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 532) no Hoare annotation was computed. [2020-07-20 10:44:24,738 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 10:44:24,739 INFO L268 CegarLoopResult]: For program point L522-2(lines 522 543) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 497 552) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 497 552) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point L579-2(lines 579 604) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point L605(lines 578 606) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 553 612) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 553 612) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 553 612) no Hoare annotation was computed. [2020-07-20 10:44:24,741 INFO L268 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-07-20 10:44:24,742 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2020-07-20 10:44:24,742 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 10:44:24,742 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-07-20 10:44:24,742 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-20 10:44:24,742 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-20 10:44:24,742 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-07-20 10:44:24,742 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-20 10:44:24,742 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 848 855) the Hoare annotation is: true [2020-07-20 10:44:24,742 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 848 855) no Hoare annotation was computed. [2020-07-20 10:44:24,743 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 848 855) no Hoare annotation was computed. [2020-07-20 10:44:24,743 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 856 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:24,743 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 10:44:24,743 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 856 865) no Hoare annotation was computed. [2020-07-20 10:44:24,743 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 856 865) no Hoare annotation was computed. [2020-07-20 10:44:24,743 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:24,744 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 866 894) the Hoare annotation is: true [2020-07-20 10:44:24,744 INFO L268 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2020-07-20 10:44:24,744 INFO L268 CegarLoopResult]: For program point L878(lines 878 888) no Hoare annotation was computed. [2020-07-20 10:44:24,744 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:24,744 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 866 894) no Hoare annotation was computed. [2020-07-20 10:44:24,744 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-20 10:44:24,744 INFO L268 CegarLoopResult]: For program point L874(lines 874 891) no Hoare annotation was computed. [2020-07-20 10:44:24,745 INFO L268 CegarLoopResult]: For program point L874-1(lines 866 894) no Hoare annotation was computed. [2020-07-20 10:44:24,745 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-20 10:44:24,745 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-20 10:44:24,745 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 421 443) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,745 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 421 443) no Hoare annotation was computed. [2020-07-20 10:44:24,745 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,746 INFO L264 CegarLoopResult]: At program point L433-1(line 433) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,746 INFO L268 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2020-07-20 10:44:24,746 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 438) no Hoare annotation was computed. [2020-07-20 10:44:24,746 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 10:44:24,746 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 421 443) no Hoare annotation was computed. [2020-07-20 10:44:24,746 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,746 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,747 INFO L264 CegarLoopResult]: At program point L427-1(line 427) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 375 398) no Hoare annotation was computed. [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-20 10:44:24,747 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 375 398) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 375 398) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-20 10:44:24,748 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-07-20 10:44:24,749 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-07-20 10:44:24,749 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,749 INFO L268 CegarLoopResult]: For program point L118-1(lines 99 123) no Hoare annotation was computed. [2020-07-20 10:44:24,749 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~0) (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:24,749 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 99 123) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,750 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,750 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 99 123) no Hoare annotation was computed. [2020-07-20 10:44:24,750 INFO L268 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2020-07-20 10:44:24,750 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,750 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-07-20 10:44:24,750 INFO L268 CegarLoopResult]: For program point L103(lines 103 120) no Hoare annotation was computed. [2020-07-20 10:44:24,750 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 258 272) no Hoare annotation was computed. [2020-07-20 10:44:24,750 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:24,751 INFO L268 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2020-07-20 10:44:24,751 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 258 272) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 10:44:24,751 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 258 272) no Hoare annotation was computed. [2020-07-20 10:44:24,751 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 194 202) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 194 202) the Hoare annotation is: true [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 194 202) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 203 238) no Hoare annotation was computed. [2020-07-20 10:44:24,752 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 203 238) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 203 238) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 451 496) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 451 496) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 451 496) no Hoare annotation was computed. [2020-07-20 10:44:24,753 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 764 809) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point L784(lines 784 791) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 764 809) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point L778(lines 778 798) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 764 809) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 407 417) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,754 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 407 417) no Hoare annotation was computed. [2020-07-20 10:44:24,754 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 407 417) no Hoare annotation was computed. [2020-07-20 10:44:24,755 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 183 193) the Hoare annotation is: true [2020-07-20 10:44:24,755 INFO L271 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: true [2020-07-20 10:44:24,755 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-20 10:44:24,755 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 183 193) no Hoare annotation was computed. [2020-07-20 10:44:24,755 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 183 193) no Hoare annotation was computed. [2020-07-20 10:44:24,755 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 175 182) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 10:44:24,755 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 175 182) no Hoare annotation was computed. [2020-07-20 10:44:24,755 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 175 182) no Hoare annotation was computed. [2020-07-20 10:44:24,756 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 975 988) no Hoare annotation was computed. [2020-07-20 10:44:24,756 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-20 10:44:24,756 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 975 988) the Hoare annotation is: true [2020-07-20 10:44:24,756 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 975 988) no Hoare annotation was computed. [2020-07-20 10:44:24,756 INFO L268 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-07-20 10:44:24,756 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2020-07-20 10:44:24,756 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 125 149) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,757 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,757 INFO L268 CegarLoopResult]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2020-07-20 10:44:24,757 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,757 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,757 INFO L268 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-07-20 10:44:24,757 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,757 INFO L268 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-07-20 10:44:24,758 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 91 97) no Hoare annotation was computed. [2020-07-20 10:44:24,758 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 91 97) the Hoare annotation is: true [2020-07-20 10:44:24,758 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-20 10:44:24,758 INFO L264 CegarLoopResult]: At program point testENTRY(lines 277 342) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,758 INFO L268 CegarLoopResult]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2020-07-20 10:44:24,758 INFO L264 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,758 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 10:44:24,758 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-20 10:44:24,759 INFO L264 CegarLoopResult]: At program point L323-1(lines 317 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:24,759 INFO L268 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-07-20 10:44:24,759 INFO L268 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-07-20 10:44:24,759 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:24,759 INFO L268 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-07-20 10:44:24,759 INFO L268 CegarLoopResult]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2020-07-20 10:44:24,760 INFO L264 CegarLoopResult]: At program point L332(lines 287 334) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:24,760 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:24,760 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-07-20 10:44:24,760 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-07-20 10:44:24,760 INFO L268 CegarLoopResult]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2020-07-20 10:44:24,760 INFO L268 CegarLoopResult]: For program point L732(lines 732 752) no Hoare annotation was computed. [2020-07-20 10:44:24,760 INFO L268 CegarLoopResult]: For program point L732-1(lines 732 752) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 718 763) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 718 763) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 718 763) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point L738(lines 738 745) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 943 965) no Hoare annotation was computed. [2020-07-20 10:44:24,761 INFO L268 CegarLoopResult]: For program point L951(lines 951 959) no Hoare annotation was computed. [2020-07-20 10:44:24,762 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 943 965) no Hoare annotation was computed. [2020-07-20 10:44:24,762 INFO L268 CegarLoopResult]: For program point L951-2(lines 951 959) no Hoare annotation was computed. [2020-07-20 10:44:24,762 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 943 965) no Hoare annotation was computed. [2020-07-20 10:44:24,762 INFO L268 CegarLoopResult]: For program point L704(lines 704 711) no Hoare annotation was computed. [2020-07-20 10:44:24,762 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 615 717) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L665(lines 664 684) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L661(lines 661 702) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 615 717) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 10:44:24,763 INFO L268 CegarLoopResult]: For program point L703(lines 703 714) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 684) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 615 717) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point L685(lines 663 686) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point L644(lines 644 660) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,764 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:44:24,765 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,765 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 158 174) no Hoare annotation was computed. [2020-07-20 10:44:24,765 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:24,766 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 158 174) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:24,766 INFO L268 CegarLoopResult]: For program point L169-1(lines 158 174) no Hoare annotation was computed. [2020-07-20 10:44:24,766 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-20 10:44:24,766 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:24,766 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 10:44:24,766 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 239 257) no Hoare annotation was computed. [2020-07-20 10:44:24,766 INFO L268 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-07-20 10:44:24,766 INFO L271 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: true [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-07-20 10:44:24,767 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 239 257) the Hoare annotation is: true [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point L246-1(line 246) no Hoare annotation was computed. [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 239 257) no Hoare annotation was computed. [2020-07-20 10:44:24,767 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point L926-1(lines 922 933) no Hoare annotation was computed. [2020-07-20 10:44:24,767 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 922 933) the Hoare annotation is: true [2020-07-20 10:44:24,767 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 922 933) no Hoare annotation was computed. [2020-07-20 10:44:24,768 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,768 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,768 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,769 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 10:44:24,769 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:24,769 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:24,769 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:24,769 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 64 90) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (and .cse7 (= 0 ~pumpRunning~0) .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse6 .cse5 .cse2) (or (and .cse7 .cse8 .cse9) .cse6 .cse10 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse4 .cse6 .cse10 (and .cse5 .cse8 .cse9)) (or .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (or .cse6 .cse0 .cse2 .cse3) (or .cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 .cse10 .cse3)))) [2020-07-20 10:44:24,770 INFO L264 CegarLoopResult]: At program point L78(lines 78 84) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (let ((.cse10 (<= 1 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 1))) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse4 .cse13 (and .cse10 .cse0 .cse14 .cse11))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse7 .cse8 (and .cse9 .cse6 .cse12) (and .cse6 .cse0 .cse14)) (let ((.cse15 (<= 2 ~waterLevel~0))) (or .cse7 (and .cse15 .cse6 .cse0) .cse3 (and .cse15 .cse6 .cse12) .cse4 .cse13)) (or .cse5 .cse7 (and .cse6 .cse0 .cse1) .cse3))) [2020-07-20 10:44:24,770 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 64 90) no Hoare annotation was computed. [2020-07-20 10:44:24,770 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 10:44:24,770 INFO L268 CegarLoopResult]: For program point L71(lines 67 89) no Hoare annotation was computed. [2020-07-20 10:44:24,770 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 64 90) no Hoare annotation was computed. [2020-07-20 10:44:24,770 INFO L268 CegarLoopResult]: For program point L69(lines 67 89) no Hoare annotation was computed. [2020-07-20 10:44:24,771 INFO L271 CegarLoopResult]: At program point L355-2(lines 355 369) the Hoare annotation is: true [2020-07-20 10:44:24,771 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 345 374) no Hoare annotation was computed. [2020-07-20 10:44:24,771 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-07-20 10:44:24,771 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-20 10:44:24,771 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 345 374) the Hoare annotation is: true [2020-07-20 10:44:24,771 INFO L271 CegarLoopResult]: At program point L370(lines 345 374) the Hoare annotation is: true [2020-07-20 10:44:24,772 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-20 10:44:24,772 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-20 10:44:24,772 INFO L271 CegarLoopResult]: At program point L359-1(lines 359 363) the Hoare annotation is: true [2020-07-20 10:44:24,772 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 10:44:24,772 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 898 909) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:44:24,772 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 898 909) no Hoare annotation was computed. [2020-07-20 10:44:24,772 INFO L268 CegarLoopResult]: For program point L902-1(lines 898 909) no Hoare annotation was computed. [2020-07-20 10:44:24,772 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-20 10:44:24,772 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 399 405) the Hoare annotation is: true [2020-07-20 10:44:24,773 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,773 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:24,773 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:24,773 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,773 INFO L268 CegarLoopResult]: For program point L914-1(lines 910 921) no Hoare annotation was computed. [2020-07-20 10:44:24,773 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 910 921) no Hoare annotation was computed. [2020-07-20 10:44:24,773 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 910 921) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse7 .cse9)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse6) (or .cse1 .cse5 .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse7 .cse8 .cse2) (or .cse8 .cse5 .cse2 .cse6)))) [2020-07-20 10:44:24,773 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:44:24,774 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 10:44:24,774 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 10:44:24,774 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:44:24,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:24 BoogieIcfgContainer [2020-07-20 10:44:24,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:24,802 INFO L168 Benchmark]: Toolchain (without parser) took 20420.84 ms. Allocated memory was 138.4 MB in the beginning and 532.2 MB in the end (delta: 393.7 MB). Free memory was 100.6 MB in the beginning and 332.7 MB in the end (delta: -232.1 MB). Peak memory consumption was 408.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,802 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.00 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 167.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,812 INFO L168 Benchmark]: Boogie Preprocessor took 90.23 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,812 INFO L168 Benchmark]: RCFGBuilder took 1189.11 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 190.8 MB in the end (delta: -27.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,812 INFO L168 Benchmark]: TraceAbstraction took 18490.25 ms. Allocated memory was 234.4 MB in the beginning and 532.2 MB in the end (delta: 297.8 MB). Free memory was 190.8 MB in the beginning and 332.7 MB in the end (delta: -141.9 MB). Peak memory consumption was 403.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.00 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 167.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.23 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1189.11 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 190.8 MB in the end (delta: -27.5 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18490.25 ms. Allocated memory was 234.4 MB in the beginning and 532.2 MB in the end (delta: 297.8 MB). Free memory was 190.8 MB in the beginning and 332.7 MB in the end (delta: -141.9 MB). Peak memory consumption was 403.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2289 SDtfs, 1716 SDslu, 3929 SDs, 0 SdLazy, 2623 SolverSat, 744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1346 GetRequests, 1279 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1722occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 887 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4560 PreInvPairs, 4752 NumberOfFragments, 2037 HoareAnnotationTreeSize, 4560 FomulaSimplifications, 6195 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 13053 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1161 NumberOfCodeBlocks, 1161 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1319 ConstructedInterpolants, 0 QuantifiedInterpolants, 288733 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8916 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 138/160 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...