/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_VARIABLES --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_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:57:18,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:57:18,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:57:18,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:57:18,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:57:18,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:57:18,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:57:18,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:57:18,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:57:18,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:57:18,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:57:18,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:57:18,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:57:18,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:57:18,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:57:18,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:57:18,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:57:18,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:57:18,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:57:18,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:57:18,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:57:18,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:57:18,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:57:18,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:57:18,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:57:18,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:57:18,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:57:18,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:57:18,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:57:18,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:57:18,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:57:18,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:57:18,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:57:18,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:57:18,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:57:18,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:57:18,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:57:18,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:57:18,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:57:18,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:57:18,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:57:18,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 00:57:18,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:57:18,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:57:18,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:57:18,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:57:18,329 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:57:18,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:57:18,330 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:57:18,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:57:18,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:57:18,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:57:18,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:57:18,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:57:18,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:57:18,332 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:57:18,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:57:18,333 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:57:18,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:57:18,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:57:18,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:57:18,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:57:18,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:57:18,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:57:18,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:57:18,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:57:18,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:57:18,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:57:18,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:57:18,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:57:18,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:57:18,337 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_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:57:18,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:57:18,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:57:18,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:57:18,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:57:18,648 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:57:18,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-20 00:57:18,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3784b48/07dd155eaf3b40059eb1aee40e2de685/FLAGd39d6253a [2020-07-20 00:57:19,288 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:57:19,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-20 00:57:19,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3784b48/07dd155eaf3b40059eb1aee40e2de685/FLAGd39d6253a [2020-07-20 00:57:19,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3784b48/07dd155eaf3b40059eb1aee40e2de685 [2020-07-20 00:57:19,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:57:19,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:57:19,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:57:19,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:57:19,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:57:19,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:57:19" (1/1) ... [2020-07-20 00:57:19,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a9fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:19, skipping insertion in model container [2020-07-20 00:57:19,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:57:19" (1/1) ... [2020-07-20 00:57:19,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:57:19,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:57:19,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:57:19,965 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:57:20,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:57:20,258 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:57:20,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20 WrapperNode [2020-07-20 00:57:20,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:57:20,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:57:20,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:57:20,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:57:20,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... [2020-07-20 00:57:20,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:57:20,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:57:20,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:57:20,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:57:20,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:57:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:57:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:57:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:57:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:57:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:57:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:57:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:57:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:57:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:57:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:57:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:57:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:57:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:57:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:57:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:57:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:57:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:57:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:57:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:57:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:57:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 00:57:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:57:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:57:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:57:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:57:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:57:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:57:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:57:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 00:57:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 00:57:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:57:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:57:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:57:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:57:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:57:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:57:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:57:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 00:57:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:57:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:57:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:57:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:57:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:57:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:57:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:57:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:57:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:57:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:57:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:57:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:57:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:57:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:57:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:57:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:57:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:57:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:57:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:57:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:57:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:57:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:57:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:57:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:57:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:57:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:57:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:57:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:57:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:57:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:57:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:57:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:57:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:57:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:57:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:57:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 00:57:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:57:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:57:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:57:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:57:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:57:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:57:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:57:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:57:21,647 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:57:21,647 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:57:21,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:57:21 BoogieIcfgContainer [2020-07-20 00:57:21,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:57:21,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:57:21,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:57:21,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:57:21,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:57:19" (1/3) ... [2020-07-20 00:57:21,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce232db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:57:21, skipping insertion in model container [2020-07-20 00:57:21,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:20" (2/3) ... [2020-07-20 00:57:21,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce232db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:57:21, skipping insertion in model container [2020-07-20 00:57:21,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:57:21" (3/3) ... [2020-07-20 00:57:21,665 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-07-20 00:57:21,675 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:57:21,684 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:57:21,696 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:57:21,717 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:57:21,717 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:57:21,718 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:57:21,718 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:57:21,718 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:57:21,718 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:57:21,719 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:57:21,719 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:57:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-07-20 00:57:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 00:57:21,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:21,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:21,754 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:21,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:21,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2020-07-20 00:57:21,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:21,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043656790] [2020-07-20 00:57:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,448 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:22,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043656790] [2020-07-20 00:57:22,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:22,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:57:22,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665464051] [2020-07-20 00:57:22,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:57:22,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:22,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:57:22,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:57:22,631 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2020-07-20 00:57:24,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:24,016 INFO L93 Difference]: Finished difference Result 338 states and 440 transitions. [2020-07-20 00:57:24,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 00:57:24,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-20 00:57:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:24,033 INFO L225 Difference]: With dead ends: 338 [2020-07-20 00:57:24,033 INFO L226 Difference]: Without dead ends: 187 [2020-07-20 00:57:24,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:57:24,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-20 00:57:24,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 152. [2020-07-20 00:57:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-20 00:57:24,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2020-07-20 00:57:24,167 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2020-07-20 00:57:24,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:24,167 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2020-07-20 00:57:24,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:57:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2020-07-20 00:57:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:57:24,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:24,171 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] [2020-07-20 00:57:24,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:57:24,172 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:24,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:24,173 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2020-07-20 00:57:24,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:24,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557932541] [2020-07-20 00:57:24,173 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,481 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:24,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557932541] [2020-07-20 00:57:24,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:24,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 00:57:24,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849428949] [2020-07-20 00:57:24,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 00:57:24,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:24,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 00:57:24,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:57:24,534 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 5 states. [2020-07-20 00:57:25,082 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:26,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:26,163 INFO L93 Difference]: Finished difference Result 279 states and 347 transitions. [2020-07-20 00:57:26,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 00:57:26,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-20 00:57:26,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:26,167 INFO L225 Difference]: With dead ends: 279 [2020-07-20 00:57:26,167 INFO L226 Difference]: Without dead ends: 177 [2020-07-20 00:57:26,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:57:26,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-20 00:57:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2020-07-20 00:57:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 00:57:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-07-20 00:57:26,231 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2020-07-20 00:57:26,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:26,231 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-07-20 00:57:26,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 00:57:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-07-20 00:57:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 00:57:26,234 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:26,234 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] [2020-07-20 00:57:26,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:57:26,234 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:26,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:26,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2020-07-20 00:57:26,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:26,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597290066] [2020-07-20 00:57:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,563 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:26,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597290066] [2020-07-20 00:57:26,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:26,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:57:26,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080170360] [2020-07-20 00:57:26,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:57:26,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:26,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:57:26,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:57:26,656 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 9 states. [2020-07-20 00:57:27,120 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:27,456 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:27,715 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:27,984 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:29,445 INFO L93 Difference]: Finished difference Result 292 states and 366 transitions. [2020-07-20 00:57:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 00:57:29,446 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-20 00:57:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:29,449 INFO L225 Difference]: With dead ends: 292 [2020-07-20 00:57:29,449 INFO L226 Difference]: Without dead ends: 177 [2020-07-20 00:57:29,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:57:29,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-20 00:57:29,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2020-07-20 00:57:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 00:57:29,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-07-20 00:57:29,491 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2020-07-20 00:57:29,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:29,491 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-07-20 00:57:29,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:57:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-07-20 00:57:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 00:57:29,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:29,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:29,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:57:29,495 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:29,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:29,496 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2020-07-20 00:57:29,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:29,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289898964] [2020-07-20 00:57:29,496 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,787 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:29,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289898964] [2020-07-20 00:57:29,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:29,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 00:57:29,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366379542] [2020-07-20 00:57:29,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 00:57:29,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:29,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 00:57:29,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:57:29,919 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 7 states. [2020-07-20 00:57:30,277 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:31,582 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:32,438 INFO L93 Difference]: Finished difference Result 397 states and 501 transitions. [2020-07-20 00:57:32,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:57:32,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-07-20 00:57:32,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:32,443 INFO L225 Difference]: With dead ends: 397 [2020-07-20 00:57:32,443 INFO L226 Difference]: Without dead ends: 282 [2020-07-20 00:57:32,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-20 00:57:32,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-20 00:57:32,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-07-20 00:57:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-07-20 00:57:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2020-07-20 00:57:32,510 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2020-07-20 00:57:32,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:32,511 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2020-07-20 00:57:32,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 00:57:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2020-07-20 00:57:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 00:57:32,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:32,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:32,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:57:32,514 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:32,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:32,515 INFO L82 PathProgramCache]: Analyzing trace with hash -919866488, now seen corresponding path program 1 times [2020-07-20 00:57:32,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:32,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207803761] [2020-07-20 00:57:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,872 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:33,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207803761] [2020-07-20 00:57:33,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:33,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:57:33,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735725271] [2020-07-20 00:57:33,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:57:33,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:33,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:57:33,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:57:33,035 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 9 states. [2020-07-20 00:57:33,484 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:34,784 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:35,065 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:35,297 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:35,515 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:36,976 INFO L93 Difference]: Finished difference Result 695 states and 864 transitions. [2020-07-20 00:57:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 00:57:36,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-07-20 00:57:36,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:36,984 INFO L225 Difference]: With dead ends: 695 [2020-07-20 00:57:36,985 INFO L226 Difference]: Without dead ends: 490 [2020-07-20 00:57:36,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 00:57:36,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-07-20 00:57:37,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 414. [2020-07-20 00:57:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-07-20 00:57:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2020-07-20 00:57:37,065 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2020-07-20 00:57:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:37,066 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2020-07-20 00:57:37,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:57:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2020-07-20 00:57:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 00:57:37,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:37,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:37,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:57:37,068 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:37,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:37,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1008826772, now seen corresponding path program 1 times [2020-07-20 00:57:37,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:37,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258908748] [2020-07-20 00:57:37,069 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,365 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:37,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258908748] [2020-07-20 00:57:37,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:37,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:57:37,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019662770] [2020-07-20 00:57:37,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:57:37,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:37,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:57:37,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:57:37,572 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 10 states. [2020-07-20 00:57:38,087 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:39,236 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:39,470 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:39,725 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:39,992 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:41,391 INFO L93 Difference]: Finished difference Result 914 states and 1119 transitions. [2020-07-20 00:57:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 00:57:41,392 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-07-20 00:57:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:41,397 INFO L225 Difference]: With dead ends: 914 [2020-07-20 00:57:41,398 INFO L226 Difference]: Without dead ends: 528 [2020-07-20 00:57:41,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-20 00:57:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-07-20 00:57:41,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 413. [2020-07-20 00:57:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-07-20 00:57:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2020-07-20 00:57:41,560 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2020-07-20 00:57:41,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:41,562 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2020-07-20 00:57:41,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:57:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2020-07-20 00:57:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 00:57:41,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:41,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:41,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:57:41,568 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:41,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:41,568 INFO L82 PathProgramCache]: Analyzing trace with hash 390870795, now seen corresponding path program 1 times [2020-07-20 00:57:41,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:41,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945394377] [2020-07-20 00:57:41,569 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,834 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:41,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945394377] [2020-07-20 00:57:41,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:41,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:57:41,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351092867] [2020-07-20 00:57:41,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:57:41,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:41,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:57:41,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:57:41,977 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 10 states. [2020-07-20 00:57:43,040 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:43,280 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 00:57:43,524 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:43,767 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:45,046 INFO L93 Difference]: Finished difference Result 917 states and 1130 transitions. [2020-07-20 00:57:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:57:45,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-07-20 00:57:45,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:45,054 INFO L225 Difference]: With dead ends: 917 [2020-07-20 00:57:45,055 INFO L226 Difference]: Without dead ends: 532 [2020-07-20 00:57:45,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:57:45,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-07-20 00:57:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 423. [2020-07-20 00:57:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-07-20 00:57:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2020-07-20 00:57:45,155 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2020-07-20 00:57:45,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:45,155 INFO L479 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2020-07-20 00:57:45,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:57:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2020-07-20 00:57:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 00:57:45,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:45,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:45,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:57:45,162 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:45,162 INFO L82 PathProgramCache]: Analyzing trace with hash 318484237, now seen corresponding path program 1 times [2020-07-20 00:57:45,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:45,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275408744] [2020-07-20 00:57:45,163 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,479 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:45,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275408744] [2020-07-20 00:57:45,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:45,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 00:57:45,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629189464] [2020-07-20 00:57:45,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 00:57:45,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:45,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 00:57:45,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:57:45,717 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 12 states. [2020-07-20 00:57:46,546 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:46,783 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:47,007 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:47,708 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:47,970 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:48,203 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:49,630 INFO L93 Difference]: Finished difference Result 941 states and 1174 transitions. [2020-07-20 00:57:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:57:49,631 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-07-20 00:57:49,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:49,636 INFO L225 Difference]: With dead ends: 941 [2020-07-20 00:57:49,636 INFO L226 Difference]: Without dead ends: 546 [2020-07-20 00:57:49,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:57:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-07-20 00:57:49,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 431. [2020-07-20 00:57:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-07-20 00:57:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2020-07-20 00:57:49,718 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2020-07-20 00:57:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:49,718 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2020-07-20 00:57:49,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 00:57:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2020-07-20 00:57:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 00:57:49,720 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:49,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:49,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:57:49,721 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:49,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:49,721 INFO L82 PathProgramCache]: Analyzing trace with hash 648249998, now seen corresponding path program 1 times [2020-07-20 00:57:49,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:49,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249982726] [2020-07-20 00:57:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,023 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:50,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249982726] [2020-07-20 00:57:50,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:50,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:57:50,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005558913] [2020-07-20 00:57:50,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:57:50,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:50,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:57:50,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:57:50,159 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 8 states. [2020-07-20 00:57:50,639 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:51,909 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:54,992 INFO L93 Difference]: Finished difference Result 1527 states and 2037 transitions. [2020-07-20 00:57:54,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-20 00:57:54,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-07-20 00:57:54,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:55,001 INFO L225 Difference]: With dead ends: 1527 [2020-07-20 00:57:55,002 INFO L226 Difference]: Without dead ends: 1124 [2020-07-20 00:57:55,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-07-20 00:57:55,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-07-20 00:57:55,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 900. [2020-07-20 00:57:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-07-20 00:57:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1079 transitions. [2020-07-20 00:57:55,196 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1079 transitions. Word has length 94 [2020-07-20 00:57:55,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:55,196 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1079 transitions. [2020-07-20 00:57:55,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:57:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1079 transitions. [2020-07-20 00:57:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:57:55,199 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:55,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:55,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 00:57:55,200 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:55,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:55,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1149612728, now seen corresponding path program 1 times [2020-07-20 00:57:55,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:55,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193205874] [2020-07-20 00:57:55,201 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,466 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:55,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193205874] [2020-07-20 00:57:55,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:55,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:57:55,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126533169] [2020-07-20 00:57:55,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:57:55,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:55,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:57:55,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:57:55,563 INFO L87 Difference]: Start difference. First operand 900 states and 1079 transitions. Second operand 8 states. [2020-07-20 00:57:55,981 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:58,805 INFO L93 Difference]: Finished difference Result 2038 states and 2695 transitions. [2020-07-20 00:57:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 00:57:58,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-20 00:57:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:58,818 INFO L225 Difference]: With dead ends: 2038 [2020-07-20 00:57:58,818 INFO L226 Difference]: Without dead ends: 2035 [2020-07-20 00:57:58,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-20 00:57:58,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2020-07-20 00:57:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1641. [2020-07-20 00:57:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2020-07-20 00:57:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 1966 transitions. [2020-07-20 00:57:59,133 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 1966 transitions. Word has length 98 [2020-07-20 00:57:59,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:59,134 INFO L479 AbstractCegarLoop]: Abstraction has 1641 states and 1966 transitions. [2020-07-20 00:57:59,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:57:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1966 transitions. [2020-07-20 00:57:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-20 00:57:59,139 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:59,139 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:59,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-20 00:57:59,140 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:59,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1054262603, now seen corresponding path program 1 times [2020-07-20 00:57:59,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:59,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844087191] [2020-07-20 00:57:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:57:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,440 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-20 00:57:59,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844087191] [2020-07-20 00:57:59,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292159172] [2020-07-20 00:57:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3705ebef 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 [2020-07-20 00:58:00,217 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3705ebef issued 4 check-sat command(s) [2020-07-20 00:58:00,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:58:00,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 00:58:00,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:58:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:58:00,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:58:00,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-20 00:58:00,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174088402] [2020-07-20 00:58:00,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:58:00,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:58:00,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:58:00,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:58:00,317 INFO L87 Difference]: Start difference. First operand 1641 states and 1966 transitions. Second operand 3 states. [2020-07-20 00:58:00,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:58:00,726 INFO L93 Difference]: Finished difference Result 3001 states and 3620 transitions. [2020-07-20 00:58:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:58:00,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-07-20 00:58:00,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:58:00,738 INFO L225 Difference]: With dead ends: 3001 [2020-07-20 00:58:00,738 INFO L226 Difference]: Without dead ends: 1388 [2020-07-20 00:58:00,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:58:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-07-20 00:58:01,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2020-07-20 00:58:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1388 states. [2020-07-20 00:58:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1642 transitions. [2020-07-20 00:58:01,058 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1642 transitions. Word has length 162 [2020-07-20 00:58:01,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:58:01,059 INFO L479 AbstractCegarLoop]: Abstraction has 1388 states and 1642 transitions. [2020-07-20 00:58:01,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:58:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1642 transitions. [2020-07-20 00:58:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-20 00:58:01,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:58:01,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:58:01,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 00:58:01,278 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:58:01,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:58:01,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1747787381, now seen corresponding path program 1 times [2020-07-20 00:58:01,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:58:01,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837420690] [2020-07-20 00:58:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74aacb25 [2020-07-20 00:58:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,675 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:58:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:58:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 00:58:02,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837420690] [2020-07-20 00:58:02,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290230550] [2020-07-20 00:58:02,106 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4d8660b1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:58:02,706 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4d8660b1 issued 4 check-sat command(s) [2020-07-20 00:58:02,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:58:02,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 00:58:02,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:58:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 00:58:02,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:58:02,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-20 00:58:02,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929819925] [2020-07-20 00:58:02,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:58:02,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:58:02,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:58:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-20 00:58:02,901 INFO L87 Difference]: Start difference. First operand 1388 states and 1642 transitions. Second operand 8 states. [2020-07-20 00:58:03,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:58:03,432 INFO L93 Difference]: Finished difference Result 2306 states and 2742 transitions. [2020-07-20 00:58:03,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:58:03,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-07-20 00:58:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:58:03,433 INFO L225 Difference]: With dead ends: 2306 [2020-07-20 00:58:03,434 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 00:58:03,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-20 00:58:03,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 00:58:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 00:58:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 00:58:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 00:58:03,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-07-20 00:58:03,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:58:03,441 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 00:58:03,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:58:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 00:58:03,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 00:58:03,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 00:58:03,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 00:58:04,509 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-07-20 00:58:04,748 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 27 [2020-07-20 00:58:04,998 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 31 [2020-07-20 00:58:05,333 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 28 [2020-07-20 00:58:07,402 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 353 DAG size of output: 322 [2020-07-20 00:58:07,962 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 279 [2020-07-20 00:58:08,594 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 279 [2020-07-20 00:58:10,826 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 308 [2020-07-20 00:58:12,138 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 316 [2020-07-20 00:58:13,184 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-20 00:58:14,051 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 26 [2020-07-20 00:58:14,222 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:58:15,804 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 181 DAG size of output: 49 [2020-07-20 00:58:15,985 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:16,150 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-20 00:58:16,838 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-20 00:58:17,405 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-20 00:58:17,571 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:58:18,192 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-07-20 00:58:18,754 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-20 00:58:18,949 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:19,141 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:19,308 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:58:20,860 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-07-20 00:58:22,789 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 272 DAG size of output: 45 [2020-07-20 00:58:22,996 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:58:24,051 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 218 DAG size of output: 41 [2020-07-20 00:58:25,817 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 180 DAG size of output: 39 [2020-07-20 00:58:26,873 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 218 DAG size of output: 41 [2020-07-20 00:58:27,066 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 00:58:27,960 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-20 00:58:28,836 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-07-20 00:58:29,946 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 173 DAG size of output: 37 [2020-07-20 00:58:30,483 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 24 [2020-07-20 00:58:30,684 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 00:58:31,241 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-20 00:58:32,145 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 28 [2020-07-20 00:58:32,328 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 00:58:33,043 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-20 00:58:33,235 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:33,884 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 28 [2020-07-20 00:58:34,685 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 42 [2020-07-20 00:58:35,588 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-07-20 00:58:37,063 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 42 [2020-07-20 00:58:37,260 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:58:37,701 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 00:58:37,894 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:38,358 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-20 00:58:38,534 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-20 00:58:38,713 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:58:38,904 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:39,348 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 00:58:40,445 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-20 00:58:40,626 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 00:58:41,149 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 00:58:41,352 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-20 00:58:43,021 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 266 DAG size of output: 45 [2020-07-20 00:58:43,224 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-20 00:58:43,427 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-20 00:58:43,953 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 18 [2020-07-20 00:58:44,140 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 00:58:44,584 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 00:58:45,205 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-20 00:58:46,068 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-07-20 00:58:46,073 INFO L268 CegarLoopResult]: For program point L287(lines 264 288) no Hoare annotation was computed. [2020-07-20 00:58:46,073 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2020-07-20 00:58:46,073 INFO L268 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-07-20 00:58:46,073 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2020-07-20 00:58:46,073 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L348(lines 321 349) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2020-07-20 00:58:46,074 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-07-20 00:58:46,075 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2020-07-20 00:58:46,075 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-20 00:58:46,075 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2020-07-20 00:58:46,075 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2020-07-20 00:58:46,075 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2020-07-20 00:58:46,075 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,076 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,076 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,076 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,076 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-20 00:58:46,076 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-20 00:58:46,076 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 00:58:46,077 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 00:58:46,077 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 00:58:46,078 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2020-07-20 00:58:46,079 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2020-07-20 00:58:46,079 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-07-20 00:58:46,080 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point L795(lines 795 803) no Hoare annotation was computed. [2020-07-20 00:58:46,080 INFO L268 CegarLoopResult]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2020-07-20 00:58:46,081 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point L521(lines 521 541) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2020-07-20 00:58:46,082 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2020-07-20 00:58:46,083 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,083 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,083 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-20 00:58:46,083 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-20 00:58:46,083 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2020-07-20 00:58:46,083 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2020-07-20 00:58:46,083 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-07-20 00:58:46,084 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-20 00:58:46,084 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2020-07-20 00:58:46,084 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 00:58:46,084 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2020-07-20 00:58:46,084 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2020-07-20 00:58:46,084 INFO L268 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2020-07-20 00:58:46,084 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2020-07-20 00:58:46,084 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2020-07-20 00:58:46,085 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2020-07-20 00:58:46,085 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-20 00:58:46,085 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-20 00:58:46,085 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-20 00:58:46,085 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-20 00:58:46,085 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-20 00:58:46,086 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-20 00:58:46,086 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-20 00:58:46,086 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-20 00:58:46,086 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-20 00:58:46,086 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-20 00:58:46,086 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2020-07-20 00:58:46,086 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2020-07-20 00:58:46,086 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,087 INFO L268 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-07-20 00:58:46,087 INFO L264 CegarLoopResult]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse0 .cse6 .cse4 .cse7) (and .cse0 .cse6 .cse1 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse1 .cse4 .cse7) (and .cse8 .cse5 .cse0 .cse4 .cse7))) [2020-07-20 00:58:46,087 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-07-20 00:58:46,087 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-07-20 00:58:46,087 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse4 .cse7) (and .cse1 .cse6 .cse2 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse5 .cse1 .cse4 .cse7))) [2020-07-20 00:58:46,087 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-07-20 00:58:46,088 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) .cse1 .cse5 .cse6 .cse3) (and .cse1 (< 1 ~waterLevel~0) .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse6 .cse2 .cse3))) [2020-07-20 00:58:46,088 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-07-20 00:58:46,088 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-07-20 00:58:46,088 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~methAndRunningLastTime~0) .cse1 .cse5 .cse6 .cse3) (and .cse1 (< 1 ~waterLevel~0) .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse6 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)))) [2020-07-20 00:58:46,088 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~methAndRunningLastTime~0) .cse1 .cse5 .cse6 .cse3) (and .cse1 (< 1 ~waterLevel~0) .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse6 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)))) [2020-07-20 00:58:46,088 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-20 00:58:46,088 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-07-20 00:58:46,088 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point L481(lines 481 488) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point L475(lines 475 495) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2020-07-20 00:58:46,089 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2020-07-20 00:58:46,090 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2020-07-20 00:58:46,090 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2020-07-20 00:58:46,090 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2020-07-20 00:58:46,090 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-20 00:58:46,090 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse4 .cse2))) [2020-07-20 00:58:46,090 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-20 00:58:46,090 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-07-20 00:58:46,091 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse3 .cse2) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-20 00:58:46,091 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-20 00:58:46,091 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-20 00:58:46,091 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-07-20 00:58:46,091 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-20 00:58:46,091 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-07-20 00:58:46,091 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-20 00:58:46,091 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point L915(lines 915 923) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2020-07-20 00:58:46,092 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L446(lines 446 457) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L428(lines 406 429) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L387(lines 387 403) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L447(lines 447 454) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L408(lines 407 427) no Hoare annotation was computed. [2020-07-20 00:58:46,093 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point L404(lines 404 445) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2020-07-20 00:58:46,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,095 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 00:58:46,095 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,095 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2020-07-20 00:58:46,095 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2020-07-20 00:58:46,095 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-20 00:58:46,095 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-20 00:58:46,096 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-20 00:58:46,097 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (< 1 ~waterLevel~0)) .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse5 .cse4))) [2020-07-20 00:58:46,097 INFO L268 CegarLoopResult]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2020-07-20 00:58:46,097 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2020-07-20 00:58:46,097 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,097 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,097 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,097 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse9 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= 0 ~methAndRunningLastTime~0) .cse9 .cse10)) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse8 .cse7 .cse1 .cse4) (or .cse5 .cse8 .cse7 .cse4) (or .cse0 .cse6 .cse7 .cse1 .cse4)))) [2020-07-20 00:58:46,098 INFO L268 CegarLoopResult]: For program point L635(lines 634 653) no Hoare annotation was computed. [2020-07-20 00:58:46,098 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (and .cse11 .cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (= 0 ~pumpRunning~0) .cse12)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse10 .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse9 .cse2 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse9 .cse2 .cse6 .cse4)))) [2020-07-20 00:58:46,098 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2020-07-20 00:58:46,098 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2020-07-20 00:58:46,098 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse6 (and .cse11 .cse12)) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (and .cse11 (<= ~waterLevel~0 1) .cse12)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse8 .cse7 .cse4) (or .cse9 .cse10 .cse0 .cse5 .cse2 .cse4) (or .cse9 .cse10 .cse5 .cse2 .cse8 .cse4) (or .cse1 .cse2 .cse8 .cse3 .cse4)))) [2020-07-20 00:58:46,099 INFO L264 CegarLoopResult]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse17 (= 0 ~methAndRunningLastTime~0)) (.cse16 (= 0 ~pumpRunning~0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse14 (and .cse17 .cse16 .cse18)) (.cse13 (and .cse18 .cse8 (<= 1 ~pumpRunning~0))) (.cse9 (and .cse16 .cse7 .cse8)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse15 (and .cse17 .cse16 .cse7 .cse18)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (and .cse16 .cse8)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7 .cse8) .cse9 .cse1 .cse10 .cse11 .cse4) (or .cse12 .cse10 .cse11 .cse13 .cse14 .cse4) (or .cse0 .cse12 .cse10 .cse14 .cse13 .cse4) (or .cse5 .cse0 .cse9 .cse1 .cse10 .cse4) (or .cse5 .cse0 .cse12 .cse10 .cse15 .cse4) (or .cse5 .cse12 .cse10 .cse11 .cse15 .cse4) (or .cse1 (and .cse6 .cse8) .cse11 .cse2 .cse3 .cse4)))) [2020-07-20 00:58:46,099 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 00:58:46,099 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 00:58:46,099 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 00:58:46,099 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 00:58:46,099 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 00:58:46,099 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 00:58:46,099 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 00:58:46,099 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 00:58:46,100 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 00:58:46,100 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 00:58:46,100 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2020-07-20 00:58:46,100 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-20 00:58:46,100 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-20 00:58:46,100 INFO L268 CegarLoopResult]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2020-07-20 00:58:46,100 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4))) [2020-07-20 00:58:46,100 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2020-07-20 00:58:46,101 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 00:58:46,101 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 00:58:46,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,101 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-20 00:58:46,101 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 00:58:46,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:58:46,101 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-20 00:58:46,101 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (< 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (= |old(~systemActive~0)| ~systemActive~0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse2 .cse7 .cse3 .cse6) (or .cse2 .cse7 .cse5 .cse3 .cse4) (or .cse0 .cse2 .cse7 .cse3 .cse4))) [2020-07-20 00:58:46,102 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-20 00:58:46,102 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse1))) [2020-07-20 00:58:46,102 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-20 00:58:46,102 INFO L268 CegarLoopResult]: For program point L671(lines 671 679) no Hoare annotation was computed. [2020-07-20 00:58:46,102 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-20 00:58:46,102 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-20 00:58:46,102 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2020-07-20 00:58:46,103 INFO L268 CegarLoopResult]: For program point L667(lines 667 684) no Hoare annotation was computed. [2020-07-20 00:58:46,103 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-20 00:58:46,103 INFO L268 CegarLoopResult]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2020-07-20 00:58:46,103 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-20 00:58:46,103 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2020-07-20 00:58:46,103 INFO L268 CegarLoopResult]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2020-07-20 00:58:46,103 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3))) [2020-07-20 00:58:46,103 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2020-07-20 00:58:46,104 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2020-07-20 00:58:46,104 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2020-07-20 00:58:46,104 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2020-07-20 00:58:46,104 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-20 00:58:46,104 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2020-07-20 00:58:46,104 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-20 00:58:46,105 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-20 00:58:46,105 INFO L268 CegarLoopResult]: For program point L697(lines 697 705) no Hoare annotation was computed. [2020-07-20 00:58:46,105 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-20 00:58:46,105 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-20 00:58:46,105 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-20 00:58:46,105 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-20 00:58:46,105 INFO L268 CegarLoopResult]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2020-07-20 00:58:46,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:58:46 BoogieIcfgContainer [2020-07-20 00:58:46,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:58:46,133 INFO L168 Benchmark]: Toolchain (without parser) took 86575.16 ms. Allocated memory was 145.8 MB in the beginning and 1.1 GB in the end (delta: 945.3 MB). Free memory was 101.1 MB in the beginning and 448.3 MB in the end (delta: -347.2 MB). Peak memory consumption was 979.4 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:46,133 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 00:58:46,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.09 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 174.1 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:46,135 INFO L168 Benchmark]: Boogie Preprocessor took 83.72 ms. Allocated memory is still 204.5 MB. Free memory was 174.1 MB in the beginning and 169.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:46,135 INFO L168 Benchmark]: RCFGBuilder took 1312.43 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 169.4 MB in the beginning and 193.0 MB in the end (delta: -23.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:46,136 INFO L168 Benchmark]: TraceAbstraction took 84474.61 ms. Allocated memory was 236.5 MB in the beginning and 1.1 GB in the end (delta: 854.6 MB). Free memory was 193.0 MB in the beginning and 448.3 MB in the end (delta: -255.3 MB). Peak memory consumption was 980.6 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:46,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.09 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 174.1 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.72 ms. Allocated memory is still 204.5 MB. Free memory was 174.1 MB in the beginning and 169.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1312.43 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 169.4 MB in the beginning and 193.0 MB in the end (delta: -23.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84474.61 ms. Allocated memory was 236.5 MB in the beginning and 1.1 GB in the end (delta: 854.6 MB). Free memory was 193.0 MB in the beginning and 448.3 MB in the end (delta: -255.3 MB). Peak memory consumption was 980.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 < waterLevel) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive)) || !(1 == \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.9s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 32.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 42.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1856 SDtfs, 3099 SDslu, 2435 SDs, 0 SdLazy, 7361 SolverSat, 2259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 934 GetRequests, 738 SyntacticMatches, 1 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1641occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1185 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2748 PreInvPairs, 2870 NumberOfFragments, 3451 HoareAnnotationTreeSize, 2748 FomulaSimplifications, 895356026 FormulaSimplificationTreeSizeReduction, 8.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 19082711 FormulaSimplificationTreeSizeReductionInter, 33.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 519553 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1927 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 200/212 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...