/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:52:03,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:52:03,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:52:03,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:52:03,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:52:03,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:52:03,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:52:03,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:52:03,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:52:03,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:52:03,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:52:03,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:52:03,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:52:03,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:52:03,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:52:03,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:52:03,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:52:03,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:52:03,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:52:03,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:52:03,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:52:03,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:52:03,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:52:03,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:52:03,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:52:03,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:52:03,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:52:03,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:52:03,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:52:03,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:52:03,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:52:03,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:52:03,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:52:03,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:52:03,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:52:03,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:52:03,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:52:03,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:52:03,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:52:03,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:52:03,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:52:03,214 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 22:52:03,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:52:03,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:52:03,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:52:03,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:52:03,256 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:52:03,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:52:03,257 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:52:03,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:52:03,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:52:03,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:52:03,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:52:03,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:52:03,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:52:03,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:52:03,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:52:03,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:52:03,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:52:03,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:52:03,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:52:03,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:52:03,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:52:03,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:03,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:52:03,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:52:03,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:52:03,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:52:03,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:52:03,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:52:03,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:52:03,264 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 22:52:03,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:52:03,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:52:03,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:52:03,610 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:52:03,611 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:52:03,612 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-07-19 22:52:03,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d756741/b5508a345c23492aa91e1cc8ba13d3b7/FLAGc1de19f9d [2020-07-19 22:52:04,255 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:52:04,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-07-19 22:52:04,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d756741/b5508a345c23492aa91e1cc8ba13d3b7/FLAGc1de19f9d [2020-07-19 22:52:04,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d756741/b5508a345c23492aa91e1cc8ba13d3b7 [2020-07-19 22:52:04,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:52:04,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:52:04,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:04,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:52:04,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:52:04,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:04" (1/1) ... [2020-07-19 22:52:04,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1481941f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:04, skipping insertion in model container [2020-07-19 22:52:04,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:04" (1/1) ... [2020-07-19 22:52:04,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:52:04,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:52:04,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:04,928 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:52:05,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:05,148 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:52:05,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05 WrapperNode [2020-07-19 22:52:05,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:05,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:52:05,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:52:05,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:52:05,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... [2020-07-19 22:52:05,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:52:05,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:52:05,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:52:05,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:52:05,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:52:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:52:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:52:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:52:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:52:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:52:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:52:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:52:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:52:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:52:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:52:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:52:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:52:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:52:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:52:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:52:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:52:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:52:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:52:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:52:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:52:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:52:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:52:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:52:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:52:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:52:05,311 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:52:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:52:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:52:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:52:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:52:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:52:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:52:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:52:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:52:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:52:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:52:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:52:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:52:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:52:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:52:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:52:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:52:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:52:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:52:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:52:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:52:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:52:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:52:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:52:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:52:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:52:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:52:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:52:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:52:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:52:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:52:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:52:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:52:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:52:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:52:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:52:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:52:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:52:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:52:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:52:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:52:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:52:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:52:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:52:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:52:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:52:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:52:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:52:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:52:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:52:06,421 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:52:06,421 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:52:06,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:06 BoogieIcfgContainer [2020-07-19 22:52:06,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:52:06,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:52:06,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:52:06,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:52:06,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:04" (1/3) ... [2020-07-19 22:52:06,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5019cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:06, skipping insertion in model container [2020-07-19 22:52:06,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:05" (2/3) ... [2020-07-19 22:52:06,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5019cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:06, skipping insertion in model container [2020-07-19 22:52:06,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:06" (3/3) ... [2020-07-19 22:52:06,436 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-07-19 22:52:06,447 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:52:06,456 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:52:06,471 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:52:06,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:52:06,498 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:52:06,498 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:52:06,498 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:52:06,499 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:52:06,499 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:52:06,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:52:06,499 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:52:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-19 22:52:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:52:06,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:06,540 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 22:52:06,541 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:06,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:06,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1999815947, now seen corresponding path program 1 times [2020-07-19 22:52:06,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:06,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141292909] [2020-07-19 22:52:06,560 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ae16733 [2020-07-19 22:52:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,235 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:07,357 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 22:52:07,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141292909] [2020-07-19 22:52:07,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:07,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:52:07,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601018555] [2020-07-19 22:52:07,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:52:07,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:07,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:52:07,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:07,398 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-07-19 22:52:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:08,482 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-07-19 22:52:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:52:08,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:52:08,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:08,500 INFO L225 Difference]: With dead ends: 270 [2020-07-19 22:52:08,500 INFO L226 Difference]: Without dead ends: 147 [2020-07-19 22:52:08,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-19 22:52:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-07-19 22:52:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-19 22:52:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-19 22:52:08,644 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-07-19 22:52:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:08,644 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-19 22:52:08,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:52:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-19 22:52:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:52:08,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:08,648 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 22:52:08,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:52:08,649 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:08,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:08,650 INFO L82 PathProgramCache]: Analyzing trace with hash 2091613530, now seen corresponding path program 1 times [2020-07-19 22:52:08,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:08,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258712243] [2020-07-19 22:52:08,651 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ae16733 [2020-07-19 22:52:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,010 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,054 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 22:52:09,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258712243] [2020-07-19 22:52:09,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:09,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:52:09,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340830063] [2020-07-19 22:52:09,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:52:09,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:09,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:52:09,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:52:09,057 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-07-19 22:52:09,534 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:10,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:10,308 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-07-19 22:52:10,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:52:10,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:52:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:10,314 INFO L225 Difference]: With dead ends: 193 [2020-07-19 22:52:10,315 INFO L226 Difference]: Without dead ends: 131 [2020-07-19 22:52:10,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:52:10,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-19 22:52:10,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-07-19 22:52:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-19 22:52:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-19 22:52:10,353 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-07-19 22:52:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:10,354 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-19 22:52:10,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:52:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-19 22:52:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:52:10,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:10,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:10,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:52:10,357 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:10,357 INFO L82 PathProgramCache]: Analyzing trace with hash 969654456, now seen corresponding path program 1 times [2020-07-19 22:52:10,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:10,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159390573] [2020-07-19 22:52:10,358 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ae16733 [2020-07-19 22:52:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,751 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:10,868 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 22:52:10,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159390573] [2020-07-19 22:52:10,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:10,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:52:10,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745237441] [2020-07-19 22:52:10,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:52:10,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:10,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:52:10,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:52:10,871 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-07-19 22:52:11,250 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:11,562 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:11,841 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:12,074 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:12,854 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:14,296 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-07-19 22:52:14,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:52:14,297 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:52:14,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:14,301 INFO L225 Difference]: With dead ends: 366 [2020-07-19 22:52:14,302 INFO L226 Difference]: Without dead ends: 285 [2020-07-19 22:52:14,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:52:14,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-19 22:52:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-07-19 22:52:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-19 22:52:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-07-19 22:52:14,374 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-07-19 22:52:14,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:14,375 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-07-19 22:52:14,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:52:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-07-19 22:52:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:52:14,377 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:14,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:14,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:52:14,378 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:14,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:14,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1151197578, now seen corresponding path program 1 times [2020-07-19 22:52:14,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:14,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823352354] [2020-07-19 22:52:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ae16733 [2020-07-19 22:52:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,689 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,838 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 22:52:14,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823352354] [2020-07-19 22:52:14,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:14,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:52:14,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627789729] [2020-07-19 22:52:14,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:14,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:14,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:14,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:14,841 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2020-07-19 22:52:15,312 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:15,625 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:15,864 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:16,095 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:16,623 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:17,417 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:17,772 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:18,056 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:18,308 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:52:18,540 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:18,868 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:19,190 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:19,448 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:20,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:20,445 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2020-07-19 22:52:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:52:20,446 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-19 22:52:20,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:20,455 INFO L225 Difference]: With dead ends: 891 [2020-07-19 22:52:20,455 INFO L226 Difference]: Without dead ends: 691 [2020-07-19 22:52:20,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 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 22:52:20,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-19 22:52:20,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2020-07-19 22:52:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-19 22:52:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2020-07-19 22:52:20,618 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2020-07-19 22:52:20,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:20,618 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2020-07-19 22:52:20,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2020-07-19 22:52:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 22:52:20,622 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:20,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:20,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:52:20,623 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:20,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:20,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1679599728, now seen corresponding path program 1 times [2020-07-19 22:52:20,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:20,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018918902] [2020-07-19 22:52:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ae16733 [2020-07-19 22:52:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:20,925 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,020 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 22:52:21,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018918902] [2020-07-19 22:52:21,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:21,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:52:21,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624279605] [2020-07-19 22:52:21,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:52:21,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:21,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:52:21,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:52:21,024 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2020-07-19 22:52:21,464 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:22,326 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2020-07-19 22:52:22,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:52:22,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-19 22:52:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:22,331 INFO L225 Difference]: With dead ends: 1039 [2020-07-19 22:52:22,332 INFO L226 Difference]: Without dead ends: 469 [2020-07-19 22:52:22,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:52:22,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-19 22:52:22,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-07-19 22:52:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-19 22:52:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-07-19 22:52:22,433 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-07-19 22:52:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:22,434 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-07-19 22:52:22,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:52:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-07-19 22:52:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-19 22:52:22,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:22,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:22,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:52:22,437 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:22,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:22,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1114958929, now seen corresponding path program 1 times [2020-07-19 22:52:22,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:22,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697986839] [2020-07-19 22:52:22,439 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ae16733 [2020-07-19 22:52:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,682 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 22:52:22,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697986839] [2020-07-19 22:52:22,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305415466] [2020-07-19 22:52:22,841 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@75bc6073 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:52:23,362 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@75bc6073 issued 4 check-sat command(s) [2020-07-19 22:52:23,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:52:23,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:52:23,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:52:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:52:23,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:52:23,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 22:52:23,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649612233] [2020-07-19 22:52:23,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:23,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:23,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:23,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:23,497 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 12 states. [2020-07-19 22:52:24,190 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:52:24,786 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:25,743 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-07-19 22:52:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:52:25,744 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-19 22:52:25,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:25,745 INFO L225 Difference]: With dead ends: 565 [2020-07-19 22:52:25,745 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:52:25,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:52:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:52:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:52:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:52:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:52:25,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-19 22:52:25,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:25,748 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:52:25,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:52:25,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:52:25,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:52:25,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:52:26,145 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2020-07-19 22:52:28,894 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-19 22:52:29,258 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2020-07-19 22:52:29,382 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2020-07-19 22:52:29,760 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-19 22:52:30,395 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 22:52:30,800 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:31,310 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 22:52:31,457 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 22:52:32,097 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:32,560 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 22:52:32,765 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:33,422 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-19 22:52:33,568 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 22:52:34,256 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-19 22:52:34,937 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-19 22:52:35,116 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 22:52:35,272 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 22:52:35,873 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-19 22:52:36,028 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-07-19 22:52:36,425 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:36,811 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:37,173 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:37,825 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 22:52:38,201 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:38,327 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-19 22:52:38,486 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-19 22:52:38,977 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:39,435 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 22:52:39,790 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:39,794 INFO L268 CegarLoopResult]: For program point L351(line 351) no Hoare annotation was computed. [2020-07-19 22:52:39,794 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point L372(lines 349 373) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 325 380) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 360) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-07-19 22:52:39,795 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 417) no Hoare annotation was computed. [2020-07-19 22:52:39,796 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-07-19 22:52:39,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2020-07-19 22:52:39,796 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2020-07-19 22:52:39,796 INFO L268 CegarLoopResult]: For program point L433(lines 406 434) no Hoare annotation was computed. [2020-07-19 22:52:39,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L268 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L268 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-19 22:52:39,797 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-19 22:52:39,797 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:52:39,797 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2020-07-19 22:52:39,798 INFO L264 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2020-07-19 22:52:39,798 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point L659-1(line 659) no Hoare annotation was computed. [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point L657(lines 657 670) no Hoare annotation was computed. [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2020-07-19 22:52:39,798 INFO L271 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: true [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-07-19 22:52:39,798 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-19 22:52:39,799 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:39,799 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:39,799 INFO L264 CegarLoopResult]: At program point L255-1(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:39,799 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:39,799 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2020-07-19 22:52:39,799 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 249 271) no Hoare annotation was computed. [2020-07-19 22:52:39,800 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:39,800 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:39,800 INFO L268 CegarLoopResult]: For program point L259(lines 259 266) no Hoare annotation was computed. [2020-07-19 22:52:39,800 INFO L268 CegarLoopResult]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2020-07-19 22:52:39,800 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-19 22:52:39,800 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2020-07-19 22:52:39,801 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-19 22:52:39,802 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-19 22:52:39,803 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-07-19 22:52:39,803 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:39,803 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-07-19 22:52:39,803 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:52:39,803 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-07-19 22:52:39,803 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-07-19 22:52:39,804 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-07-19 22:52:39,804 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-07-19 22:52:39,804 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-07-19 22:52:39,804 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-07-19 22:52:39,804 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-07-19 22:52:39,804 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-07-19 22:52:39,804 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-07-19 22:52:39,804 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-19 22:52:39,805 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 279 324) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point L606(lines 606 626) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point L606-1(lines 606 626) no Hoare annotation was computed. [2020-07-19 22:52:39,806 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 592 637) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point L612(lines 612 619) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-07-19 22:52:39,807 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-07-19 22:52:39,808 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-19 22:52:39,808 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-19 22:52:39,808 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-07-19 22:52:39,808 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-07-19 22:52:39,808 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-19 22:52:39,808 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-19 22:52:39,808 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:52:39,808 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-07-19 22:52:39,809 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:52:39,809 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-07-19 22:52:39,809 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:52:39,809 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:52:39,809 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-19 22:52:39,809 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:52:39,809 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-07-19 22:52:39,809 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-07-19 22:52:39,810 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-07-19 22:52:39,810 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-07-19 22:52:39,810 INFO L268 CegarLoopResult]: For program point L865(lines 864 913) no Hoare annotation was computed. [2020-07-19 22:52:39,810 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-19 22:52:39,810 INFO L264 CegarLoopResult]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:39,810 INFO L268 CegarLoopResult]: For program point L894(lines 894 909) no Hoare annotation was computed. [2020-07-19 22:52:39,811 INFO L268 CegarLoopResult]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2020-07-19 22:52:39,811 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 22:52:39,811 INFO L268 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2020-07-19 22:52:39,811 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2020-07-19 22:52:39,811 INFO L264 CegarLoopResult]: At program point L911(lines 864 913) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 22:52:39,811 INFO L264 CegarLoopResult]: At program point L876(line 876) 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) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 22:52:39,812 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-07-19 22:52:39,812 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2020-07-19 22:52:39,812 INFO L268 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-07-19 22:52:39,812 INFO L264 CegarLoopResult]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:39,812 INFO L264 CegarLoopResult]: At program point L904(line 904) 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) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 22:52:39,812 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-19 22:52:39,812 INFO L264 CegarLoopResult]: At program point L902-1(lines 894 909) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point L566(lines 566 573) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 546 591) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point L560(lines 560 580) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 580) no Hoare annotation was computed. [2020-07-19 22:52:39,813 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-07-19 22:52:39,814 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point L531(lines 531 542) no Hoare annotation was computed. [2020-07-19 22:52:39,815 INFO L268 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point L513(lines 491 514) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point L472(lines 472 488) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point L532(lines 532 539) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point L493(lines 492 512) no Hoare annotation was computed. [2020-07-19 22:52:39,816 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-19 22:52:39,817 INFO L268 CegarLoopResult]: For program point L524-1(line 524) no Hoare annotation was computed. [2020-07-19 22:52:39,817 INFO L268 CegarLoopResult]: For program point L489(lines 489 530) no Hoare annotation was computed. [2020-07-19 22:52:39,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,817 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~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~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 22:52:39,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,818 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-07-19 22:52:39,818 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-07-19 22:52:39,818 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-07-19 22:52:39,818 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2020-07-19 22:52:39,818 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-07-19 22:52:39,818 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-07-19 22:52:39,818 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:39,818 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-07-19 22:52:39,819 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:52:39,820 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 22:52:39,820 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 22:52:39,820 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 22:52:39,820 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-07-19 22:52:39,820 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-07-19 22:52:39,820 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-07-19 22:52:39,820 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2020-07-19 22:52:39,820 INFO L268 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2020-07-19 22:52:39,821 INFO L271 CegarLoopResult]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2020-07-19 22:52:39,821 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2020-07-19 22:52:39,821 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 22:52:39,821 INFO L271 CegarLoopResult]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2020-07-19 22:52:39,821 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-19 22:52:39,821 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-19 22:52:39,821 INFO L271 CegarLoopResult]: At program point L201(lines 176 205) the Hoare annotation is: true [2020-07-19 22:52:39,822 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-19 22:52:39,822 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-07-19 22:52:39,822 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-07-19 22:52:39,822 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-07-19 22:52:39,822 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2020-07-19 22:52:39,822 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2020-07-19 22:52:39,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,823 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 22:52:39,823 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:52:39,823 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:39,823 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2020-07-19 22:52:39,823 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-19 22:52:39,823 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2020-07-19 22:52:39,823 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-07-19 22:52:39,823 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-07-19 22:52:39,824 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 22:52:39,824 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2020-07-19 22:52:39,824 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2020-07-19 22:52:39,824 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2020-07-19 22:52:39,824 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2020-07-19 22:52:39,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:39 BoogieIcfgContainer [2020-07-19 22:52:39,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:52:39,844 INFO L168 Benchmark]: Toolchain (without parser) took 35319.00 ms. Allocated memory was 140.5 MB in the beginning and 686.8 MB in the end (delta: 546.3 MB). Free memory was 104.2 MB in the beginning and 338.2 MB in the end (delta: -234.0 MB). Peak memory consumption was 535.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:39,845 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 22:52:39,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.50 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 104.0 MB in the beginning and 176.7 MB in the end (delta: -72.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:39,847 INFO L168 Benchmark]: Boogie Preprocessor took 89.00 ms. Allocated memory is still 206.0 MB. Free memory was 176.7 MB in the beginning and 172.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:39,847 INFO L168 Benchmark]: RCFGBuilder took 1188.36 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 172.4 MB in the beginning and 197.8 MB in the end (delta: -25.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:39,848 INFO L168 Benchmark]: TraceAbstraction took 33414.29 ms. Allocated memory was 236.5 MB in the beginning and 686.8 MB in the end (delta: 450.4 MB). Free memory was 197.8 MB in the beginning and 338.2 MB in the end (delta: -140.4 MB). Peak memory consumption was 533.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:39,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.50 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 104.0 MB in the beginning and 176.7 MB in the end (delta: -72.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.00 ms. Allocated memory is still 206.0 MB. Free memory was 176.7 MB in the beginning and 172.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.36 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 172.4 MB in the beginning and 197.8 MB in the end (delta: -25.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33414.29 ms. Allocated memory was 236.5 MB in the beginning and 686.8 MB in the end (delta: 450.4 MB). Free memory was 197.8 MB in the beginning and 338.2 MB in the end (delta: -140.4 MB). Peak memory consumption was 533.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 606 SDtfs, 1363 SDslu, 600 SDs, 0 SdLazy, 2923 SolverSat, 944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 173988 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 21934 FormulaSimplificationTreeSizeReductionInter, 10.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 124526 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 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...