/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:52:26,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:52:26,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:52:26,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:52:26,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:52:26,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:52:26,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:52:26,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:52:26,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:52:26,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:52:26,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:52:26,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:52:26,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:52:26,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:52:26,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:52:26,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:52:26,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:52:26,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:52:26,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:52:26,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:52:26,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:52:26,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:52:26,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:52:26,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:52:26,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:52:26,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:52:26,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:52:26,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:52:26,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:52:26,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:52:26,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:52:26,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:52:26,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:52:26,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:52:26,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:52:26,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:52:26,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:52:26,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:52:26,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:52:26,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:52:26,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:52:26,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:52:26,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:52:26,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:52:26,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:52:26,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:52:26,130 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:52:26,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:52:26,130 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:52:26,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:52:26,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:52:26,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:52:26,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:52:26,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:52:26,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:52:26,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:52:26,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:52:26,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:52:26,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:52:26,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:52:26,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:52:26,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:52:26,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:52:26,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:26,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:52:26,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:52:26,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:52:26,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:52:26,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:52:26,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:52:26,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:52:26,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:52:26,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:52:26,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:52:26,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:52:26,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:52:26,435 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:52:26,436 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2020-07-19 22:52:26,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/415064ff1/138fdca0b0784acfbfad3d6accd588ae/FLAG989ef8e7a [2020-07-19 22:52:27,046 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:52:27,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2020-07-19 22:52:27,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/415064ff1/138fdca0b0784acfbfad3d6accd588ae/FLAG989ef8e7a [2020-07-19 22:52:27,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/415064ff1/138fdca0b0784acfbfad3d6accd588ae [2020-07-19 22:52:27,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:52:27,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:52:27,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:27,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:52:27,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:52:27,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:27" (1/1) ... [2020-07-19 22:52:27,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3c43d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:27, skipping insertion in model container [2020-07-19 22:52:27,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:27" (1/1) ... [2020-07-19 22:52:27,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:52:27,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:52:27,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:27,764 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:52:27,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:28,004 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:52:28,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28 WrapperNode [2020-07-19 22:52:28,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:28,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:52:28,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:52:28,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:52:28,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... [2020-07-19 22:52:28,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:52:28,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:52:28,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:52:28,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:52:28,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:52:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:52:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:52:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:52:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:52:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:52:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:52:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:52:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:52:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:52:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:52:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:52:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:52:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:52:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:52:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:52:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:52:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:52:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:52:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:52:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:52:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:52:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:52:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:52:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:52:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:52:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:52:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:52:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:52:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:52:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:52:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:52:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:52:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:52:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:52:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:52:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:52:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:52:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:52:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:52:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:52:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:52:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:52:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:52:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:52:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:52:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:52:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:52:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:52:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:52:29,325 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:52:29,326 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:52:29,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:29 BoogieIcfgContainer [2020-07-19 22:52:29,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:52:29,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:52:29,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:52:29,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:52:29,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:27" (1/3) ... [2020-07-19 22:52:29,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a174c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:29, skipping insertion in model container [2020-07-19 22:52:29,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:28" (2/3) ... [2020-07-19 22:52:29,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a174c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:29, skipping insertion in model container [2020-07-19 22:52:29,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:29" (3/3) ... [2020-07-19 22:52:29,340 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-07-19 22:52:29,351 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:52:29,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:52:29,373 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:52:29,398 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:52:29,399 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:52:29,399 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:52:29,399 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:52:29,400 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:52:29,400 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:52:29,400 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:52:29,400 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:52:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-07-19 22:52:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:52:29,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:29,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:29,436 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:29,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1693195754, now seen corresponding path program 1 times [2020-07-19 22:52:29,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:29,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228596099] [2020-07-19 22:52:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19c47387 [2020-07-19 22:52:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,139 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:30,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228596099] [2020-07-19 22:52:30,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:30,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:52:30,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276556023] [2020-07-19 22:52:30,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:52:30,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:30,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:52:30,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:30,304 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-07-19 22:52:31,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:31,321 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-07-19 22:52:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:52:31,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:52:31,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:31,348 INFO L225 Difference]: With dead ends: 247 [2020-07-19 22:52:31,348 INFO L226 Difference]: Without dead ends: 134 [2020-07-19 22:52:31,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-19 22:52:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-07-19 22:52:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-19 22:52:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-19 22:52:31,527 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-07-19 22:52:31,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:31,528 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-19 22:52:31,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:52:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-19 22:52:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:52:31,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:31,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:31,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:52:31,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:31,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:31,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1772398770, now seen corresponding path program 1 times [2020-07-19 22:52:31,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:31,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204835149] [2020-07-19 22:52:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19c47387 [2020-07-19 22:52:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,882 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:31,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204835149] [2020-07-19 22:52:31,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:31,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:52:31,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921742877] [2020-07-19 22:52:31,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:52:31,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:31,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:52:31,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:52:31,927 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-07-19 22:52:32,385 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:32,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:32,964 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-07-19 22:52:32,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:52:32,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:52:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:32,968 INFO L225 Difference]: With dead ends: 180 [2020-07-19 22:52:32,969 INFO L226 Difference]: Without dead ends: 118 [2020-07-19 22:52:32,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:52:32,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-19 22:52:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-07-19 22:52:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-19 22:52:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-07-19 22:52:33,014 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-07-19 22:52:33,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:33,014 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-07-19 22:52:33,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:52:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-07-19 22:52:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:52:33,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:33,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:33,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:52:33,025 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1028244918, now seen corresponding path program 1 times [2020-07-19 22:52:33,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:33,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377524587] [2020-07-19 22:52:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19c47387 [2020-07-19 22:52:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,438 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:33,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377524587] [2020-07-19 22:52:33,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:33,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:52:33,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230318840] [2020-07-19 22:52:33,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:52:33,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:33,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:52:33,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:52:33,569 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2020-07-19 22:52:33,979 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:34,297 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:34,531 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:34,780 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:35,640 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-07-19 22:52:35,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:52:35,640 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-19 22:52:35,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:35,642 INFO L225 Difference]: With dead ends: 189 [2020-07-19 22:52:35,642 INFO L226 Difference]: Without dead ends: 118 [2020-07-19 22:52:35,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:35,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-19 22:52:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-07-19 22:52:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-19 22:52:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-07-19 22:52:35,677 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-07-19 22:52:35,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:35,678 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-07-19 22:52:35,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:52:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-07-19 22:52:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:52:35,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:35,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:35,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:52:35,680 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:35,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:35,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1294561485, now seen corresponding path program 1 times [2020-07-19 22:52:35,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:35,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167581050] [2020-07-19 22:52:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19c47387 [2020-07-19 22:52:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,007 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:36,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167581050] [2020-07-19 22:52:36,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:36,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:52:36,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636253404] [2020-07-19 22:52:36,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:36,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:36,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:36,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:36,119 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 12 states. [2020-07-19 22:52:36,611 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:36,940 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:37,198 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:37,425 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:37,944 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:38,666 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:38,980 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:39,297 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:39,530 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:52:39,751 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:40,048 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:40,369 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:40,627 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:41,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:41,659 INFO L93 Difference]: Finished difference Result 360 states and 482 transitions. [2020-07-19 22:52:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:52:41,665 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-07-19 22:52:41,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:41,669 INFO L225 Difference]: With dead ends: 360 [2020-07-19 22:52:41,669 INFO L226 Difference]: Without dead ends: 289 [2020-07-19 22:52:41,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:52:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-07-19 22:52:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 224. [2020-07-19 22:52:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-19 22:52:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 265 transitions. [2020-07-19 22:52:41,742 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 265 transitions. Word has length 59 [2020-07-19 22:52:41,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:41,743 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 265 transitions. [2020-07-19 22:52:41,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 265 transitions. [2020-07-19 22:52:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 22:52:41,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:41,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:41,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:52:41,746 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:41,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:41,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1693659129, now seen corresponding path program 1 times [2020-07-19 22:52:41,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:41,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131531429] [2020-07-19 22:52:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19c47387 [2020-07-19 22:52:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,060 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:42,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131531429] [2020-07-19 22:52:42,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:42,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:52:42,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864936511] [2020-07-19 22:52:42,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:52:42,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:42,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:52:42,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:52:42,159 INFO L87 Difference]: Start difference. First operand 224 states and 265 transitions. Second operand 6 states. [2020-07-19 22:52:42,522 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:43,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:43,023 INFO L93 Difference]: Finished difference Result 363 states and 446 transitions. [2020-07-19 22:52:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:52:43,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2020-07-19 22:52:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:43,027 INFO L225 Difference]: With dead ends: 363 [2020-07-19 22:52:43,027 INFO L226 Difference]: Without dead ends: 163 [2020-07-19 22:52:43,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:52:43,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-19 22:52:43,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-07-19 22:52:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-19 22:52:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-07-19 22:52:43,064 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 67 [2020-07-19 22:52:43,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:43,064 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-07-19 22:52:43,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:52:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-07-19 22:52:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:52:43,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:43,066 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 22:52:43,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:52:43,066 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:43,067 INFO L82 PathProgramCache]: Analyzing trace with hash -562526623, now seen corresponding path program 1 times [2020-07-19 22:52:43,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:43,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438689057] [2020-07-19 22:52:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19c47387 [2020-07-19 22:52:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,379 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 22:52:43,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438689057] [2020-07-19 22:52:43,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037582979] [2020-07-19 22:52:43,590 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29fb6501 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:52:44,010 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29fb6501 issued 3 check-sat command(s) [2020-07-19 22:52:44,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:52:44,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:52:44,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:52:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:52:44,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:52:44,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 22:52:44,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160179239] [2020-07-19 22:52:44,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:44,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:44,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:44,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:44,116 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 12 states. [2020-07-19 22:52:44,808 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:52:45,419 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:45,944 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-07-19 22:52:45,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:52:45,945 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2020-07-19 22:52:45,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:45,945 INFO L225 Difference]: With dead ends: 203 [2020-07-19 22:52:45,945 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:52:45,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:52:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:52:45,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:52:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:52:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:52:45,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-19 22:52:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:45,949 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:52:45,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:52:45,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:52:46,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:52:46,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:52:48,384 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:48,980 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:49,344 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-19 22:52:49,714 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-19 22:52:50,089 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-19 22:52:50,216 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:50,990 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:51,187 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:51,760 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-19 22:52:51,918 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:52,562 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-19 22:52:53,040 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:53,412 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:53,966 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-19 22:52:54,127 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:54,630 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:54,981 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-19 22:52:55,372 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-19 22:52:55,719 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-19 22:52:55,898 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:56,168 INFO L268 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 538) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 503 558) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 549) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 503 558) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point L550(lines 527 551) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 503 558) no Hoare annotation was computed. [2020-07-19 22:52:56,169 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 559 618) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point L591(lines 591 595) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 559 618) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 559 618) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point L585-2(lines 585 610) no Hoare annotation was computed. [2020-07-19 22:52:56,170 INFO L268 CegarLoopResult]: For program point L611(lines 584 612) no Hoare annotation was computed. [2020-07-19 22:52:56,171 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2020-07-19 22:52:56,171 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2020-07-19 22:52:56,171 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2020-07-19 22:52:56,171 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2020-07-19 22:52:56,172 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2020-07-19 22:52:56,172 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2020-07-19 22:52:56,173 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:56,173 INFO L268 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2020-07-19 22:52:56,173 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:56,173 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-07-19 22:52:56,173 INFO L268 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2020-07-19 22:52:56,173 INFO L268 CegarLoopResult]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2020-07-19 22:52:56,175 INFO L271 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: true [2020-07-19 22:52:56,175 INFO L268 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-07-19 22:52:56,175 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2020-07-19 22:52:56,175 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-07-19 22:52:56,176 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,176 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,176 INFO L264 CegarLoopResult]: At program point L895-1(line 895) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,176 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 889 911) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,176 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 889 911) no Hoare annotation was computed. [2020-07-19 22:52:56,176 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 889 911) no Hoare annotation was computed. [2020-07-19 22:52:56,176 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (and (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,177 INFO L264 CegarLoopResult]: At program point L901-1(line 901) the Hoare annotation is: (or (and (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,177 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-19 22:52:56,178 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 906) no Hoare annotation was computed. [2020-07-19 22:52:56,178 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-19 22:52:56,178 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-19 22:52:56,178 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 848 871) no Hoare annotation was computed. [2020-07-19 22:52:56,178 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-19 22:52:56,178 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 848 871) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 848 871) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-19 22:52:56,179 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-19 22:52:56,180 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-19 22:52:56,180 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-19 22:52:56,180 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 232 240) no Hoare annotation was computed. [2020-07-19 22:52:56,180 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 232 240) the Hoare annotation is: true [2020-07-19 22:52:56,180 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 232 240) no Hoare annotation was computed. [2020-07-19 22:52:56,180 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-07-19 22:52:56,180 INFO L271 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: true [2020-07-19 22:52:56,180 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 277 295) the Hoare annotation is: true [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 277 295) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 277 295) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 241 276) no Hoare annotation was computed. [2020-07-19 22:52:56,181 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 241 276) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point L260(lines 260 268) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 241 276) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 457 502) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 457 502) no Hoare annotation was computed. [2020-07-19 22:52:56,182 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 457 502) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 770 815) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 770 815) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 770 815) no Hoare annotation was computed. [2020-07-19 22:52:56,183 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 888) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,183 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 888) no Hoare annotation was computed. [2020-07-19 22:52:56,184 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 888) no Hoare annotation was computed. [2020-07-19 22:52:56,184 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-07-19 22:52:56,184 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 221 231) no Hoare annotation was computed. [2020-07-19 22:52:56,184 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 221 231) no Hoare annotation was computed. [2020-07-19 22:52:56,185 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 221 231) no Hoare annotation was computed. [2020-07-19 22:52:56,185 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-07-19 22:52:56,185 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 213 220) the Hoare annotation is: true [2020-07-19 22:52:56,185 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 213 220) no Hoare annotation was computed. [2020-07-19 22:52:56,185 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 213 220) no Hoare annotation was computed. [2020-07-19 22:52:56,185 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2020-07-19 22:52:56,185 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:56,186 INFO L268 CegarLoopResult]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2020-07-19 22:52:56,186 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:56,186 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:56,186 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:56,187 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-07-19 22:52:56,187 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:56,187 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-19 22:52:56,187 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-19 22:52:56,187 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2020-07-19 22:52:56,187 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2020-07-19 22:52:56,187 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:52:56,188 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-19 22:52:56,188 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:52:56,188 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-19 22:52:56,188 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-07-19 22:52:56,188 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:52:56,188 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 22:52:56,189 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-07-19 22:52:56,189 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:52:56,189 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:52:56,189 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-19 22:52:56,189 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-07-19 22:52:56,189 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-19 22:52:56,189 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:56,189 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point L738-1(lines 738 758) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 724 769) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 724 769) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 724 769) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point L738(lines 738 758) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 187 194) no Hoare annotation was computed. [2020-07-19 22:52:56,190 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 187 194) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 187 194) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 441 449) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 441 449) the Hoare annotation is: true [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 441 449) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-19 22:52:56,191 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 301 310) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point L671(lines 670 690) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 621 723) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point L667(lines 667 708) no Hoare annotation was computed. [2020-07-19 22:52:56,192 INFO L268 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 621 723) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L709(lines 709 720) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 690) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L691(lines 669 692) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 621 723) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L650(lines 650 666) no Hoare annotation was computed. [2020-07-19 22:52:56,193 INFO L268 CegarLoopResult]: For program point L710(lines 710 717) no Hoare annotation was computed. [2020-07-19 22:52:56,194 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,194 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:52:56,194 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,194 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-19 22:52:56,194 INFO L268 CegarLoopResult]: For program point L207-1(lines 196 212) no Hoare annotation was computed. [2020-07-19 22:52:56,194 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 196 212) no Hoare annotation was computed. [2020-07-19 22:52:56,194 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-07-19 22:52:56,195 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-19 22:52:56,195 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 196 212) no Hoare annotation was computed. [2020-07-19 22:52:56,195 INFO L268 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-07-19 22:52:56,195 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-19 22:52:56,196 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,196 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,197 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 130 153) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:56,197 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:56,197 INFO L264 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:56,197 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 130 153) no Hoare annotation was computed. [2020-07-19 22:52:56,197 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:52:56,198 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 130 153) no Hoare annotation was computed. [2020-07-19 22:52:56,198 INFO L268 CegarLoopResult]: For program point L134(lines 133 152) no Hoare annotation was computed. [2020-07-19 22:52:56,198 INFO L268 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-07-19 22:52:56,198 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 818 847) no Hoare annotation was computed. [2020-07-19 22:52:56,198 INFO L271 CegarLoopResult]: At program point L832-1(lines 832 836) the Hoare annotation is: true [2020-07-19 22:52:56,198 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-19 22:52:56,198 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 818 847) the Hoare annotation is: true [2020-07-19 22:52:56,198 INFO L271 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: true [2020-07-19 22:52:56,198 INFO L271 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: true [2020-07-19 22:52:56,199 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-07-19 22:52:56,199 INFO L271 CegarLoopResult]: At program point L843(lines 818 847) the Hoare annotation is: true [2020-07-19 22:52:56,199 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-19 22:52:56,199 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 400 408) no Hoare annotation was computed. [2020-07-19 22:52:56,199 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-19 22:52:56,199 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-19 22:52:56,199 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-19 22:52:56,200 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2020-07-19 22:52:56,200 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-19 22:52:56,200 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 872 878) no Hoare annotation was computed. [2020-07-19 22:52:56,201 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 872 878) the Hoare annotation is: true [2020-07-19 22:52:56,201 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,202 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:52:56,202 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:52:56,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:56,202 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-19 22:52:56,202 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-19 22:52:56,202 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:56,202 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:52:56,203 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 22:52:56,203 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 22:52:56,203 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:52:56,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:56 BoogieIcfgContainer [2020-07-19 22:52:56,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:52:56,238 INFO L168 Benchmark]: Toolchain (without parser) took 28879.77 ms. Allocated memory was 145.8 MB in the beginning and 587.2 MB in the end (delta: 441.5 MB). Free memory was 102.5 MB in the beginning and 500.5 MB in the end (delta: -398.1 MB). Peak memory consumption was 460.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:56,239 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-19 22:52:56,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.29 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 173.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:56,240 INFO L168 Benchmark]: Boogie Preprocessor took 115.89 ms. Allocated memory is still 203.9 MB. Free memory was 173.9 MB in the beginning and 169.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:56,241 INFO L168 Benchmark]: RCFGBuilder took 1209.45 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 169.7 MB in the beginning and 203.0 MB in the end (delta: -33.2 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:56,242 INFO L168 Benchmark]: TraceAbstraction took 26900.47 ms. Allocated memory was 238.0 MB in the beginning and 587.2 MB in the end (delta: 349.2 MB). Free memory was 203.0 MB in the beginning and 500.5 MB in the end (delta: -297.6 MB). Peak memory consumption was 468.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:56,246 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.29 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 173.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.89 ms. Allocated memory is still 203.9 MB. Free memory was 173.9 MB in the beginning and 169.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.45 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 169.7 MB in the beginning and 203.0 MB in the end (delta: -33.2 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26900.47 ms. Allocated memory was 238.0 MB in the beginning and 587.2 MB in the end (delta: 349.2 MB). Free memory was 203.0 MB in the beginning and 500.5 MB in the end (delta: -297.6 MB). Peak memory consumption was 468.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 1133 SDslu, 348 SDs, 0 SdLazy, 2174 SolverSat, 704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41794 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8582 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 466 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 131483 SizeOfPredicates, 3 NumberOfNonLiveVariables, 695 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 53/62 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...