/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:47,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:47,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:47,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:47,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:47,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:47,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:47,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:47,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:47,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:47,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:47,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:47,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:47,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:47,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:47,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:47,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:47,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:47,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:47,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:47,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:47,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:47,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:47,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:47,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:47,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:47,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:47,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:47,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:47,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:47,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:47,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:47,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:47,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:47,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:47,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:47,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:47,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:47,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:47,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:47,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:47,981 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 16:26:48,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:48,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:48,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:48,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:48,027 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:48,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:48,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:48,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:48,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:48,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:48,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:48,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:48,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:48,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:48,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:48,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:48,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:48,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:48,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:48,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:48,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:48,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:48,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:48,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:48,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:48,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:48,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:48,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:48,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:48,036 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:26:48,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:48,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:48,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:48,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:48,365 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:48,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-20 16:26:48,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e92f912/4c11840bc6044264b470c941e6bc9fae/FLAG7e2d3151c [2020-07-20 16:26:49,026 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:49,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-20 16:26:49,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e92f912/4c11840bc6044264b470c941e6bc9fae/FLAG7e2d3151c [2020-07-20 16:26:49,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e92f912/4c11840bc6044264b470c941e6bc9fae [2020-07-20 16:26:49,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:49,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:49,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:49,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:49,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:49,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:49,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0fba68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49, skipping insertion in model container [2020-07-20 16:26:49,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:49,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:49,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:49,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:49,853 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:49,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:49,988 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:49,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49 WrapperNode [2020-07-20 16:26:49,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:49,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:49,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:49,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:50,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (1/1) ... [2020-07-20 16:26:50,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:50,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:50,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:50,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:50,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (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 16:26:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:26:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:26:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:26:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:26:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:26:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:26:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:26:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:26:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:51,205 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:51,206 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:51,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:51 BoogieIcfgContainer [2020-07-20 16:26:51,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:51,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:51,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:51,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:51,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:49" (1/3) ... [2020-07-20 16:26:51,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711dc712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:51, skipping insertion in model container [2020-07-20 16:26:51,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:49" (2/3) ... [2020-07-20 16:26:51,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711dc712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:51, skipping insertion in model container [2020-07-20 16:26:51,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:51" (3/3) ... [2020-07-20 16:26:51,219 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-20 16:26:51,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:51,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:51,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:51,277 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:51,277 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:51,277 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:51,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:51,278 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:51,278 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:51,278 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:51,279 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-20 16:26:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:51,313 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:51,315 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 16:26:51,315 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:51,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:51,321 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-20 16:26:51,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:51,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492838512] [2020-07-20 16:26:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:51,833 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:51,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:51,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:51,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:51,882 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 16:26:51,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:51,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492838512] [2020-07-20 16:26:51,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:51,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:51,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041345517] [2020-07-20 16:26:51,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:51,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:51,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:51,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:51,909 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 2 states. [2020-07-20 16:26:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:51,960 INFO L93 Difference]: Finished difference Result 342 states and 423 transitions. [2020-07-20 16:26:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:51,962 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:51,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:51,977 INFO L225 Difference]: With dead ends: 342 [2020-07-20 16:26:51,978 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 16:26:51,983 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 16:26:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 16:26:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-07-20 16:26:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-20 16:26:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-20 16:26:52,052 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-20 16:26:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:52,053 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-20 16:26:52,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-20 16:26:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:52,059 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:52,059 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:52,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:52,275 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:52,277 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-20 16:26:52,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:52,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267254508] [2020-07-20 16:26:52,278 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:52,750 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:52,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:52,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:52,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:52,810 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 16:26:52,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:52,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267254508] [2020-07-20 16:26:52,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:52,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:52,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564315120] [2020-07-20 16:26:52,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:52,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:52,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:52,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:52,816 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 3 states. [2020-07-20 16:26:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:52,843 INFO L93 Difference]: Finished difference Result 281 states and 333 transitions. [2020-07-20 16:26:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:52,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:52,847 INFO L225 Difference]: With dead ends: 281 [2020-07-20 16:26:52,848 INFO L226 Difference]: Without dead ends: 164 [2020-07-20 16:26:52,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 16:26:52,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-20 16:26:52,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-07-20 16:26:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-20 16:26:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-20 16:26:52,870 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-20 16:26:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:52,871 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-20 16:26:52,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-20 16:26:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:26:52,874 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:52,874 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:53,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:53,089 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:53,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-20 16:26:53,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:53,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77320903] [2020-07-20 16:26:53,092 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:53,501 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:53,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:53,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:53,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:53,540 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 16:26:53,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:53,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77320903] [2020-07-20 16:26:53,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:53,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:53,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130107456] [2020-07-20 16:26:53,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:53,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:53,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:53,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:53,543 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 3 states. [2020-07-20 16:26:53,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:53,582 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-07-20 16:26:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:53,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 16:26:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:53,587 INFO L225 Difference]: With dead ends: 432 [2020-07-20 16:26:53,587 INFO L226 Difference]: Without dead ends: 296 [2020-07-20 16:26:53,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 16:26:53,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-20 16:26:53,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 290. [2020-07-20 16:26:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-20 16:26:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2020-07-20 16:26:53,627 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 65 [2020-07-20 16:26:53,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:53,627 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2020-07-20 16:26:53,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2020-07-20 16:26:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:53,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:53,632 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 16:26:53,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:53,845 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-20 16:26:53,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:53,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499353124] [2020-07-20 16:26:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:54,287 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:54,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:54,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:54,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:54,343 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 16:26:54,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:54,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499353124] [2020-07-20 16:26:54,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:54,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:54,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606570948] [2020-07-20 16:26:54,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:54,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:54,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:54,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:54,352 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2020-07-20 16:26:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:54,649 INFO L93 Difference]: Finished difference Result 704 states and 879 transitions. [2020-07-20 16:26:54,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:54,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:54,655 INFO L225 Difference]: With dead ends: 704 [2020-07-20 16:26:54,655 INFO L226 Difference]: Without dead ends: 442 [2020-07-20 16:26:54,657 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 16:26:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-20 16:26:54,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2020-07-20 16:26:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-20 16:26:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 517 transitions. [2020-07-20 16:26:54,707 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 517 transitions. Word has length 70 [2020-07-20 16:26:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:54,708 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 517 transitions. [2020-07-20 16:26:54,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 517 transitions. [2020-07-20 16:26:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 16:26:54,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:54,715 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, 1, 1] [2020-07-20 16:26:54,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:54,928 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:54,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:54,928 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-20 16:26:54,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:54,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421452337] [2020-07-20 16:26:54,929 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:55,296 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:55,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:55,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:55,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:55,337 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 16:26:55,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:55,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421452337] [2020-07-20 16:26:55,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:55,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:55,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792677956] [2020-07-20 16:26:55,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:55,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:55,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:55,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:55,340 INFO L87 Difference]: Start difference. First operand 432 states and 517 transitions. Second operand 6 states. [2020-07-20 16:26:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:55,389 INFO L93 Difference]: Finished difference Result 850 states and 1056 transitions. [2020-07-20 16:26:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:55,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-07-20 16:26:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:55,393 INFO L225 Difference]: With dead ends: 850 [2020-07-20 16:26:55,394 INFO L226 Difference]: Without dead ends: 446 [2020-07-20 16:26:55,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 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 16:26:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-07-20 16:26:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 442. [2020-07-20 16:26:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-20 16:26:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 527 transitions. [2020-07-20 16:26:55,426 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 527 transitions. Word has length 113 [2020-07-20 16:26:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:55,427 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 527 transitions. [2020-07-20 16:26:55,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 527 transitions. [2020-07-20 16:26:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 16:26:55,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:55,432 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, 1, 1] [2020-07-20 16:26:55,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:55,645 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:55,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:55,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-20 16:26:55,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:55,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816308521] [2020-07-20 16:26:55,647 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:55,791 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:55,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:55,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:55,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:55,832 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 16:26:55,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:55,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816308521] [2020-07-20 16:26:55,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:55,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:55,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907103699] [2020-07-20 16:26:55,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:55,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:55,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:55,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:55,835 INFO L87 Difference]: Start difference. First operand 442 states and 527 transitions. Second operand 5 states. [2020-07-20 16:26:55,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:55,872 INFO L93 Difference]: Finished difference Result 870 states and 1076 transitions. [2020-07-20 16:26:55,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:55,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-07-20 16:26:55,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:55,876 INFO L225 Difference]: With dead ends: 870 [2020-07-20 16:26:55,876 INFO L226 Difference]: Without dead ends: 456 [2020-07-20 16:26:55,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 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 16:26:55,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-07-20 16:26:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 450. [2020-07-20 16:26:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-07-20 16:26:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 535 transitions. [2020-07-20 16:26:55,942 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 535 transitions. Word has length 113 [2020-07-20 16:26:55,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:55,942 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 535 transitions. [2020-07-20 16:26:55,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 535 transitions. [2020-07-20 16:26:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 16:26:55,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:55,947 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, 1, 1] [2020-07-20 16:26:56,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:56,160 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:56,160 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-20 16:26:56,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:56,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822285733] [2020-07-20 16:26:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:56,591 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:56,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:56,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:56,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:56,638 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 16:26:56,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:56,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822285733] [2020-07-20 16:26:56,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:56,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:56,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671133052] [2020-07-20 16:26:56,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:56,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:56,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:56,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:56,641 INFO L87 Difference]: Start difference. First operand 450 states and 535 transitions. Second operand 3 states. [2020-07-20 16:26:56,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:56,689 INFO L93 Difference]: Finished difference Result 1218 states and 1533 transitions. [2020-07-20 16:26:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:56,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-20 16:26:56,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:56,695 INFO L225 Difference]: With dead ends: 1218 [2020-07-20 16:26:56,695 INFO L226 Difference]: Without dead ends: 796 [2020-07-20 16:26:56,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 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 16:26:56,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-07-20 16:26:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2020-07-20 16:26:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-20 16:26:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 972 transitions. [2020-07-20 16:26:56,740 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 972 transitions. Word has length 113 [2020-07-20 16:26:56,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:56,740 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 972 transitions. [2020-07-20 16:26:56,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 972 transitions. [2020-07-20 16:26:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-20 16:26:56,743 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:56,744 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, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:56,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:56,957 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:56,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:56,958 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-20 16:26:56,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:56,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60236160] [2020-07-20 16:26:56,959 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:26:57,360 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:57,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:57,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:57,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:57,492 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 16:26:57,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:57,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60236160] [2020-07-20 16:26:57,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:57,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:57,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695607189] [2020-07-20 16:26:57,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:57,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:57,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:57,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:57,495 INFO L87 Difference]: Start difference. First operand 793 states and 972 transitions. Second operand 10 states. [2020-07-20 16:26:59,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:59,475 INFO L93 Difference]: Finished difference Result 2270 states and 3119 transitions. [2020-07-20 16:26:59,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:59,476 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2020-07-20 16:26:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:59,490 INFO L225 Difference]: With dead ends: 2270 [2020-07-20 16:26:59,491 INFO L226 Difference]: Without dead ends: 1505 [2020-07-20 16:26:59,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 16:26:59,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-07-20 16:26:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1130. [2020-07-20 16:26:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-07-20 16:26:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1387 transitions. [2020-07-20 16:26:59,569 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1387 transitions. Word has length 117 [2020-07-20 16:26:59,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:59,569 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1387 transitions. [2020-07-20 16:26:59,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:59,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1387 transitions. [2020-07-20 16:26:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 16:26:59,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:59,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:59,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:59,788 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:59,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1999881567, now seen corresponding path program 1 times [2020-07-20 16:26:59,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:59,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388232991] [2020-07-20 16:26:59,790 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:27:00,186 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:27:00,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:27:00,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:27:00,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:27:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:27:00,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:27:00,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388232991] [2020-07-20 16:27:00,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:27:00,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:27:00,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2831399] [2020-07-20 16:27:00,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:27:00,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:27:00,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:27:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:27:00,226 INFO L87 Difference]: Start difference. First operand 1130 states and 1387 transitions. Second operand 3 states. [2020-07-20 16:27:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:27:00,354 INFO L93 Difference]: Finished difference Result 1886 states and 2314 transitions. [2020-07-20 16:27:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:27:00,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-20 16:27:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:27:00,360 INFO L225 Difference]: With dead ends: 1886 [2020-07-20 16:27:00,360 INFO L226 Difference]: Without dead ends: 784 [2020-07-20 16:27:00,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 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 16:27:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2020-07-20 16:27:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 764. [2020-07-20 16:27:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-07-20 16:27:00,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 916 transitions. [2020-07-20 16:27:00,400 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 916 transitions. Word has length 158 [2020-07-20 16:27:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:27:00,401 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 916 transitions. [2020-07-20 16:27:00,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:27:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 916 transitions. [2020-07-20 16:27:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-20 16:27:00,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:27:00,404 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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:27:00,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:00,618 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:27:00,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:27:00,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-20 16:27:00,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:27:00,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109647255] [2020-07-20 16:27:00,620 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:27:00,967 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:27:00,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:27:00,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:27:00,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:27:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:27:01,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:27:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 16:27:01,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109647255] [2020-07-20 16:27:01,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:27:01,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:27:01,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456224550] [2020-07-20 16:27:01,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:27:01,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:27:01,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:27:01,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:27:01,616 INFO L87 Difference]: Start difference. First operand 764 states and 916 transitions. Second operand 10 states. [2020-07-20 16:27:02,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:27:02,596 INFO L93 Difference]: Finished difference Result 1677 states and 2027 transitions. [2020-07-20 16:27:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:27:02,597 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-07-20 16:27:02,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:27:02,598 INFO L225 Difference]: With dead ends: 1677 [2020-07-20 16:27:02,598 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:27:02,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 377 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 16:27:02,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:27:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:27:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:27:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:27:02,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-20 16:27:02,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:27:02,604 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:27:02,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:27:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:27:02,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:27:02,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:02,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:27:04,900 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-07-20 16:27:05,285 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 16:27:05,453 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:27:05,882 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 16:27:06,266 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 16:27:06,433 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:27:06,593 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 16:27:06,899 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 16:27:07,261 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 16:27:07,814 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 16:27:07,946 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-20 16:27:08,373 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:27:08,516 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 16:27:08,741 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 16:27:08,984 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-20 16:27:09,225 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 16:27:09,256 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-20 16:27:09,256 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-20 16:27:09,256 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-20 16:27:09,256 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-20 16:27:09,256 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 16:27:09,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-20 16:27:09,258 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-20 16:27:09,258 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-20 16:27:09,258 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-20 16:27:09,258 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-20 16:27:09,258 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 16:27:09,258 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 16:27:09,259 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-20 16:27:09,259 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-20 16:27:09,259 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-20 16:27:09,259 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-20 16:27:09,259 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-20 16:27:09,259 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-20 16:27:09,259 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 16:27:09,259 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 16:27:09,259 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:27:09,259 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 16:27:09,260 INFO L264 CegarLoopResult]: At program point L77(line 77) 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 16:27:09,260 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L264 CegarLoopResult]: At program point L72(line 72) 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 16:27:09,260 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 16:27:09,260 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 16:27:09,261 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 16:27:09,261 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 16:27:09,261 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 16:27:09,261 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,261 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-20 16:27:09,261 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,261 INFO L264 CegarLoopResult]: At program point L632-1(line 632) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,261 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-20 16:27:09,262 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-20 16:27:09,262 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-20 16:27:09,262 INFO L264 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,262 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,262 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,262 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-20 16:27:09,262 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-20 16:27:09,262 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 16:27:09,263 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-20 16:27:09,264 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 16:27:09,265 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-20 16:27:09,265 INFO L264 CegarLoopResult]: At program point L253(line 253) 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 16:27:09,265 INFO L264 CegarLoopResult]: At program point L249(line 249) 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 16:27:09,265 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-20 16:27:09,265 INFO L264 CegarLoopResult]: At program point L245(line 245) 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 16:27:09,265 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-20 16:27:09,266 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-20 16:27:09,266 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) 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 16:27:09,266 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-20 16:27:09,266 INFO L264 CegarLoopResult]: At program point L258(line 258) 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 16:27:09,266 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-20 16:27:09,267 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 16:27:09,267 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 16:27:09,267 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-20 16:27:09,267 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-20 16:27:09,267 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-20 16:27:09,267 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-20 16:27:09,267 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-20 16:27:09,268 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-20 16:27:09,269 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 16:27:09,270 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 16:27:09,271 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 16:27:09,271 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-20 16:27:09,271 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,271 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-20 16:27:09,271 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-20 16:27:09,271 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,271 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-20 16:27:09,272 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-20 16:27:09,272 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-20 16:27:09,272 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-20 16:27:09,272 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-20 16:27:09,272 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:27:09,272 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-20 16:27:09,272 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-20 16:27:09,272 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-20 16:27:09,273 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-20 16:27:09,273 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-20 16:27:09,273 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-20 16:27:09,273 INFO L264 CegarLoopResult]: At program point L284(line 284) 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 16:27:09,273 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-20 16:27:09,273 INFO L264 CegarLoopResult]: At program point L279(line 279) 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 16:27:09,273 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-20 16:27:09,274 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) 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 16:27:09,274 INFO L264 CegarLoopResult]: At program point L275(line 275) 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 16:27:09,274 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-20 16:27:09,274 INFO L264 CegarLoopResult]: At program point L271(line 271) 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 16:27:09,274 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-20 16:27:09,274 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-20 16:27:09,274 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-20 16:27:09,275 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-20 16:27:09,275 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-20 16:27:09,275 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,275 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-20 16:27:09,275 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) 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)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:27:09,275 INFO L264 CegarLoopResult]: At program point L120(line 120) 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)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:27:09,276 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-20 16:27:09,276 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-20 16:27:09,276 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-20 16:27:09,276 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-20 16:27:09,276 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:27:09,276 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:27:09,277 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-20 16:27:09,277 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) 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)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:27:09,277 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-20 16:27:09,277 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:27:09,277 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-20 16:27:09,277 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L264 CegarLoopResult]: At program point L130(line 130) 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)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:27:09,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-20 16:27:09,278 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) 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 16:27:09,279 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-20 16:27:09,279 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-20 16:27:09,279 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-20 16:27:09,279 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-20 16:27:09,279 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-20 16:27:09,279 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-20 16:27:09,279 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-20 16:27:09,280 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-20 16:27:09,281 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,282 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-20 16:27:09,283 INFO L264 CegarLoopResult]: At program point L303(line 303) 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 16:27:09,283 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-20 16:27:09,283 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-20 16:27:09,283 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) 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 16:27:09,283 INFO L264 CegarLoopResult]: At program point L309(line 309) 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 16:27:09,283 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-20 16:27:09,283 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-20 16:27:09,283 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-20 16:27:09,284 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-20 16:27:09,284 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 16:27:09,284 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-20 16:27:09,284 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-20 16:27:09,284 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-20 16:27:09,284 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-20 16:27:09,284 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 16:27:09,284 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-20 16:27:09,285 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2020-07-20 16:27:09,285 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-20 16:27:09,285 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-20 16:27:09,285 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,285 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,285 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,285 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-20 16:27:09,286 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:27:09,286 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-20 16:27:09,286 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-20 16:27:09,286 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 16:27:09,286 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-20 16:27:09,286 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-20 16:27:09,287 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 16:27:09,287 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-20 16:27:09,287 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-20 16:27:09,287 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-20 16:27:09,287 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 16:27:09,287 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-20 16:27:09,287 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-20 16:27:09,287 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 16:27:09,287 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-20 16:27:09,288 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-20 16:27:09,288 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-20 16:27:09,288 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-20 16:27:09,288 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-20 16:27:09,288 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-20 16:27:09,288 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:27:09,288 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-20 16:27:09,288 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-20 16:27:09,288 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-20 16:27:09,289 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-20 16:27:09,289 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,289 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:27:09,289 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:27:09,289 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:27:09,289 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-20 16:27:09,289 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2020-07-20 16:27:09,289 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-20 16:27:09,290 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) 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 16:27:09,290 INFO L264 CegarLoopResult]: At program point L223(line 223) 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 16:27:09,290 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-20 16:27:09,290 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-20 16:27:09,290 INFO L264 CegarLoopResult]: At program point L219(line 219) 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 16:27:09,290 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-20 16:27:09,290 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-20 16:27:09,291 INFO L264 CegarLoopResult]: At program point L232(line 232) 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 16:27:09,291 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-20 16:27:09,291 INFO L264 CegarLoopResult]: At program point L227(line 227) 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 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:27:09,291 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-20 16:27:09,291 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-20 16:27:09,291 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 16:27:09,292 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-20 16:27:09,292 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-20 16:27:09,292 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-20 16:27:09,292 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-20 16:27:09,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:27:09 BoogieIcfgContainer [2020-07-20 16:27:09,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:27:09,312 INFO L168 Benchmark]: Toolchain (without parser) took 20008.25 ms. Allocated memory was 146.3 MB in the beginning and 453.0 MB in the end (delta: 306.7 MB). Free memory was 101.7 MB in the beginning and 307.5 MB in the end (delta: -205.7 MB). Peak memory consumption was 319.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:09,312 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 146.3 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 16:27:09,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.50 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 168.4 MB in the end (delta: -67.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:09,314 INFO L168 Benchmark]: Boogie Preprocessor took 97.74 ms. Allocated memory is still 203.9 MB. Free memory was 168.4 MB in the beginning and 164.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:09,315 INFO L168 Benchmark]: RCFGBuilder took 1123.86 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 187.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:09,316 INFO L168 Benchmark]: TraceAbstraction took 18097.66 ms. Allocated memory was 236.5 MB in the beginning and 453.0 MB in the end (delta: 216.5 MB). Free memory was 187.6 MB in the beginning and 307.5 MB in the end (delta: -119.8 MB). Peak memory consumption was 315.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:09,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 146.3 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.50 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 168.4 MB in the end (delta: -67.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.74 ms. Allocated memory is still 203.9 MB. Free memory was 168.4 MB in the beginning and 164.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1123.86 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 187.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18097.66 ms. Allocated memory was 236.5 MB in the beginning and 453.0 MB in the end (delta: 216.5 MB). Free memory was 187.6 MB in the beginning and 307.5 MB in the end (delta: -119.8 MB). Peak memory consumption was 315.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2365 SDtfs, 1364 SDslu, 4167 SDs, 0 SdLazy, 2149 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1271 GetRequests, 1212 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1130occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 424 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 2302 PreInvPairs, 2419 NumberOfFragments, 2390 HoareAnnotationTreeSize, 2302 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 77 FomulaSimplificationsInter, 10078 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 860 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1247 ConstructedInterpolants, 0 QuantifiedInterpolants, 304255 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7480 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 142/168 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...