/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:23,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:23,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:23,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:23,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:23,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:23,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:23,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:23,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:23,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:23,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:23,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:23,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:23,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:23,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:23,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:23,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:23,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:23,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:23,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:23,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:23,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:23,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:23,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:23,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:23,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:23,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:23,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:23,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:23,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:23,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:23,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:23,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:23,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:23,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:23,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:23,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:23,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:23,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:23,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:23,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:23,230 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 [2020-07-21 12:54:23,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:23,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:23,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:23,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:23,250 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:23,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:23,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:23,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:23,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:23,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:23,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:23,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:23,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:23,252 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:23,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:23,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:23,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:23,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:23,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:23,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:23,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:23,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:23,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:23,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:23,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:23,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:23,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:23,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:23,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:23,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:54:23,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:23,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:23,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:23,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:23,620 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:23,621 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-07-21 12:54:23,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0569ca554/aea0a0ace4b84669b894f8d2597dc26c/FLAG7a7983e52 [2020-07-21 12:54:24,280 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:24,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-07-21 12:54:24,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0569ca554/aea0a0ace4b84669b894f8d2597dc26c/FLAG7a7983e52 [2020-07-21 12:54:24,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0569ca554/aea0a0ace4b84669b894f8d2597dc26c [2020-07-21 12:54:24,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:24,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:24,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:24,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:24,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:24,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:24" (1/1) ... [2020-07-21 12:54:24,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b260048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:24, skipping insertion in model container [2020-07-21 12:54:24,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:24" (1/1) ... [2020-07-21 12:54:24,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:24,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:25,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:25,096 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:25,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:25,214 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:25,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25 WrapperNode [2020-07-21 12:54:25,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:25,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:25,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:25,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:25,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (1/1) ... [2020-07-21 12:54:25,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:25,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:25,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:25,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:25,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (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 [2020-07-21 12:54:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:54:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:54:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:26,451 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:26,452 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:26,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:26 BoogieIcfgContainer [2020-07-21 12:54:26,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:26,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:26,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:26,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:26,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:24" (1/3) ... [2020-07-21 12:54:26,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ca98ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:26, skipping insertion in model container [2020-07-21 12:54:26,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:25" (2/3) ... [2020-07-21 12:54:26,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ca98ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:26, skipping insertion in model container [2020-07-21 12:54:26,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:26" (3/3) ... [2020-07-21 12:54:26,465 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-07-21 12:54:26,476 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:26,484 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:26,499 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:26,524 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:26,524 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:26,525 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:26,525 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:26,525 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:26,525 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:26,526 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:26,526 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-21 12:54:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:26,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:26,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:26,560 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:26,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:26,567 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2020-07-21 12:54:26,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:26,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236354995] [2020-07-21 12:54:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:27,087 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:27,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:27,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:27,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:27,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:27,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236354995] [2020-07-21 12:54:27,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:27,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:27,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232755219] [2020-07-21 12:54:27,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:27,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:27,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:27,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:27,161 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-21 12:54:27,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:27,205 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2020-07-21 12:54:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:27,206 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:27,220 INFO L225 Difference]: With dead ends: 272 [2020-07-21 12:54:27,220 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 12:54:27,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:27,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 12:54:27,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 12:54:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 12:54:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-21 12:54:27,283 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2020-07-21 12:54:27,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:27,283 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-21 12:54:27,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:27,284 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-21 12:54:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:54:27,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:27,288 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:27,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:27,496 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:27,497 INFO L82 PathProgramCache]: Analyzing trace with hash -103265726, now seen corresponding path program 1 times [2020-07-21 12:54:27,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:27,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965990885] [2020-07-21 12:54:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:27,953 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:27,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:27,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:27,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:28,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:28,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965990885] [2020-07-21 12:54:28,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:28,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:28,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207790150] [2020-07-21 12:54:28,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:28,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:28,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:28,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:28,028 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2020-07-21 12:54:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:28,072 INFO L93 Difference]: Finished difference Result 248 states and 299 transitions. [2020-07-21 12:54:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:28,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 12:54:28,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:28,077 INFO L225 Difference]: With dead ends: 248 [2020-07-21 12:54:28,077 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 12:54:28,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 12:54:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 12:54:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 12:54:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2020-07-21 12:54:28,120 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 60 [2020-07-21 12:54:28,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:28,123 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2020-07-21 12:54:28,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2020-07-21 12:54:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-21 12:54:28,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:28,130 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:28,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:28,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:28,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:28,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1442070676, now seen corresponding path program 1 times [2020-07-21 12:54:28,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:28,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383759236] [2020-07-21 12:54:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:28,698 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:28,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:28,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:28,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:28,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:28,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383759236] [2020-07-21 12:54:28,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:28,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:28,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060635310] [2020-07-21 12:54:28,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:28,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:28,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:28,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:28,735 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2020-07-21 12:54:28,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:28,758 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2020-07-21 12:54:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:28,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-07-21 12:54:28,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:28,763 INFO L225 Difference]: With dead ends: 221 [2020-07-21 12:54:28,763 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 12:54:28,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 12:54:28,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 12:54:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 12:54:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2020-07-21 12:54:28,777 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 73 [2020-07-21 12:54:28,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:28,777 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2020-07-21 12:54:28,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2020-07-21 12:54:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-21 12:54:28,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:28,780 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:28,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:28,995 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:28,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:28,996 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2020-07-21 12:54:28,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:28,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648778114] [2020-07-21 12:54:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:29,294 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:29,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:29,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:54:29,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:29,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:29,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648778114] [2020-07-21 12:54:29,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:29,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:29,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820774227] [2020-07-21 12:54:29,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:29,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:29,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:29,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:29,354 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 6 states. [2020-07-21 12:54:29,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:29,913 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2020-07-21 12:54:29,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:29,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2020-07-21 12:54:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:29,916 INFO L225 Difference]: With dead ends: 312 [2020-07-21 12:54:29,917 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 12:54:29,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 12:54:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 196. [2020-07-21 12:54:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-07-21 12:54:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 223 transitions. [2020-07-21 12:54:29,940 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 223 transitions. Word has length 77 [2020-07-21 12:54:29,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:29,941 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 223 transitions. [2020-07-21 12:54:29,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 223 transitions. [2020-07-21 12:54:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 12:54:29,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:29,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:30,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:30,157 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:30,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:30,158 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2020-07-21 12:54:30,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:30,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160725954] [2020-07-21 12:54:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:30,414 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:30,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:30,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:30,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:30,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:30,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160725954] [2020-07-21 12:54:30,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:30,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:30,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491682133] [2020-07-21 12:54:30,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:30,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:30,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:30,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:30,466 INFO L87 Difference]: Start difference. First operand 196 states and 223 transitions. Second operand 6 states. [2020-07-21 12:54:30,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:30,698 INFO L93 Difference]: Finished difference Result 367 states and 426 transitions. [2020-07-21 12:54:30,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:30,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-21 12:54:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:30,701 INFO L225 Difference]: With dead ends: 367 [2020-07-21 12:54:30,701 INFO L226 Difference]: Without dead ends: 199 [2020-07-21 12:54:30,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:54:30,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-07-21 12:54:30,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2020-07-21 12:54:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-21 12:54:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 220 transitions. [2020-07-21 12:54:30,720 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 220 transitions. Word has length 91 [2020-07-21 12:54:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:30,721 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 220 transitions. [2020-07-21 12:54:30,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 220 transitions. [2020-07-21 12:54:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 12:54:30,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:30,723 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:30,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:30,936 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:30,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:30,937 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2020-07-21 12:54:30,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:30,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501398080] [2020-07-21 12:54:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,195 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:31,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:31,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:31,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:31,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:31,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501398080] [2020-07-21 12:54:31,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:31,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:31,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704012637] [2020-07-21 12:54:31,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:31,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:31,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:31,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:31,248 INFO L87 Difference]: Start difference. First operand 195 states and 220 transitions. Second operand 6 states. [2020-07-21 12:54:31,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:31,306 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-07-21 12:54:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:31,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-21 12:54:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:31,309 INFO L225 Difference]: With dead ends: 367 [2020-07-21 12:54:31,309 INFO L226 Difference]: Without dead ends: 200 [2020-07-21 12:54:31,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-21 12:54:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-07-21 12:54:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-07-21 12:54:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 225 transitions. [2020-07-21 12:54:31,330 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 225 transitions. Word has length 92 [2020-07-21 12:54:31,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:31,330 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 225 transitions. [2020-07-21 12:54:31,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 225 transitions. [2020-07-21 12:54:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 12:54:31,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:31,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:31,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,548 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:31,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:31,549 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2020-07-21 12:54:31,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:31,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273445752] [2020-07-21 12:54:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,765 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:31,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:31,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:31,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:31,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:31,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273445752] [2020-07-21 12:54:31,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:31,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:31,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231422317] [2020-07-21 12:54:31,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:31,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:31,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:31,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:31,810 INFO L87 Difference]: Start difference. First operand 200 states and 225 transitions. Second operand 5 states. [2020-07-21 12:54:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:31,832 INFO L93 Difference]: Finished difference Result 379 states and 437 transitions. [2020-07-21 12:54:31,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:31,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-21 12:54:31,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:31,835 INFO L225 Difference]: With dead ends: 379 [2020-07-21 12:54:31,836 INFO L226 Difference]: Without dead ends: 207 [2020-07-21 12:54:31,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:31,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-07-21 12:54:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2020-07-21 12:54:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-21 12:54:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 229 transitions. [2020-07-21 12:54:31,860 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 229 transitions. Word has length 92 [2020-07-21 12:54:31,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:31,861 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 229 transitions. [2020-07-21 12:54:31,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 229 transitions. [2020-07-21 12:54:31,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 12:54:31,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:31,866 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:32,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,082 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:32,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:32,083 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2020-07-21 12:54:32,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:32,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098196992] [2020-07-21 12:54:32,084 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,322 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:32,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:32,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:32,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:32,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:32,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098196992] [2020-07-21 12:54:32,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:32,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:32,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221964828] [2020-07-21 12:54:32,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:32,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:32,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:32,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:32,365 INFO L87 Difference]: Start difference. First operand 204 states and 229 transitions. Second operand 3 states. [2020-07-21 12:54:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:32,410 INFO L93 Difference]: Finished difference Result 528 states and 621 transitions. [2020-07-21 12:54:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:32,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-21 12:54:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:32,414 INFO L225 Difference]: With dead ends: 528 [2020-07-21 12:54:32,414 INFO L226 Difference]: Without dead ends: 352 [2020-07-21 12:54:32,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-07-21 12:54:32,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 349. [2020-07-21 12:54:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-07-21 12:54:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 404 transitions. [2020-07-21 12:54:32,497 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 404 transitions. Word has length 92 [2020-07-21 12:54:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:32,497 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 404 transitions. [2020-07-21 12:54:32,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 404 transitions. [2020-07-21 12:54:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-21 12:54:32,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:32,502 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:32,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,717 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:32,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:32,717 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2020-07-21 12:54:32,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:32,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631988183] [2020-07-21 12:54:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,979 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:32,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:32,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:32,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:33,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:33,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631988183] [2020-07-21 12:54:33,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:33,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:33,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171334085] [2020-07-21 12:54:33,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:33,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:33,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:33,083 INFO L87 Difference]: Start difference. First operand 349 states and 404 transitions. Second operand 10 states. [2020-07-21 12:54:34,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:34,239 INFO L93 Difference]: Finished difference Result 950 states and 1247 transitions. [2020-07-21 12:54:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:34,240 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-21 12:54:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:34,249 INFO L225 Difference]: With dead ends: 950 [2020-07-21 12:54:34,249 INFO L226 Difference]: Without dead ends: 629 [2020-07-21 12:54:34,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 12:54:34,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-21 12:54:34,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 467. [2020-07-21 12:54:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-07-21 12:54:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 551 transitions. [2020-07-21 12:54:34,307 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 551 transitions. Word has length 96 [2020-07-21 12:54:34,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:34,309 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 551 transitions. [2020-07-21 12:54:34,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 551 transitions. [2020-07-21 12:54:34,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 12:54:34,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:34,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:34,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:34,531 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:34,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:34,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2020-07-21 12:54:34,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:34,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711340249] [2020-07-21 12:54:34,532 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:34,763 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:34,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:34,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:34,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:34,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:35,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 12:54:35,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711340249] [2020-07-21 12:54:35,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:35,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:35,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387685715] [2020-07-21 12:54:35,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:35,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:35,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:35,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:35,224 INFO L87 Difference]: Start difference. First operand 467 states and 551 transitions. Second operand 10 states. [2020-07-21 12:54:35,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:35,991 INFO L93 Difference]: Finished difference Result 559 states and 674 transitions. [2020-07-21 12:54:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:35,993 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-21 12:54:35,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:35,994 INFO L225 Difference]: With dead ends: 559 [2020-07-21 12:54:35,994 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:35,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:35,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:35,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-21 12:54:35,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:35,998 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:35,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:36,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:36,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:36,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:37,432 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-21 12:54:37,597 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:54:37,912 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-21 12:54:38,057 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2020-07-21 12:54:38,456 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-21 12:54:38,790 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:54:38,938 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 12:54:39,651 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:39,985 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-21 12:54:40,219 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 12:54:40,485 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 12:54:40,606 INFO L268 CegarLoopResult]: For program point L668(lines 645 669) no Hoare annotation was computed. [2020-07-21 12:54:40,606 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2020-07-21 12:54:40,607 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-21 12:54:40,607 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-07-21 12:54:40,607 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-07-21 12:54:40,607 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2020-07-21 12:54:40,608 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2020-07-21 12:54:40,608 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2020-07-21 12:54:40,608 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-07-21 12:54:40,608 INFO L268 CegarLoopResult]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2020-07-21 12:54:40,608 INFO L268 CegarLoopResult]: For program point L729(lines 702 730) no Hoare annotation was computed. [2020-07-21 12:54:40,608 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2020-07-21 12:54:40,609 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2020-07-21 12:54:40,610 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2020-07-21 12:54:40,610 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2020-07-21 12:54:40,610 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2020-07-21 12:54:40,610 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2020-07-21 12:54:40,610 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: true [2020-07-21 12:54:40,610 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2020-07-21 12:54:40,610 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2020-07-21 12:54:40,610 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:40,611 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2020-07-21 12:54:40,611 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2020-07-21 12:54:40,611 INFO L268 CegarLoopResult]: For program point L949(line 949) no Hoare annotation was computed. [2020-07-21 12:54:40,611 INFO L268 CegarLoopResult]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2020-07-21 12:54:40,611 INFO L271 CegarLoopResult]: At program point L960(line 960) the Hoare annotation is: true [2020-07-21 12:54:40,611 INFO L268 CegarLoopResult]: For program point L960-1(line 960) no Hoare annotation was computed. [2020-07-21 12:54:40,611 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2020-07-21 12:54:40,611 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2020-07-21 12:54:40,612 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 12:54:40,612 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-21 12:54:40,612 INFO L268 CegarLoopResult]: For program point L966(lines 966 976) no Hoare annotation was computed. [2020-07-21 12:54:40,612 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:54:40,612 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-21 12:54:40,612 INFO L268 CegarLoopResult]: For program point L962(lines 962 979) no Hoare annotation was computed. [2020-07-21 12:54:40,613 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,613 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2020-07-21 12:54:40,613 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2020-07-21 12:54:40,613 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,613 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,613 INFO L268 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2020-07-21 12:54:40,613 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2020-07-21 12:54:40,614 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 12:54:40,614 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,614 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,614 INFO L264 CegarLoopResult]: At program point L516-1(line 516) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,614 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 12:54:40,614 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-21 12:54:40,614 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2020-07-21 12:54:40,614 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 12:54:40,614 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-21 12:54:40,615 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 12:54:40,616 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 12:54:40,616 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 12:54:40,616 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2020-07-21 12:54:40,616 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2020-07-21 12:54:40,616 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2020-07-21 12:54:40,616 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-07-21 12:54:40,616 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-07-21 12:54:40,616 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point L184(lines 184 192) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-21 12:54:40,617 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2020-07-21 12:54:40,618 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2020-07-21 12:54:40,618 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point L908(lines 908 915) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point L902(lines 902 922) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2020-07-21 12:54:40,619 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2020-07-21 12:54:40,620 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,620 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2020-07-21 12:54:40,620 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2020-07-21 12:54:40,620 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,620 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-21 12:54:40,620 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2020-07-21 12:54:40,620 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2020-07-21 12:54:40,620 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2020-07-21 12:54:40,621 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-21 12:54:40,621 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 12:54:40,621 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2020-07-21 12:54:40,621 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2020-07-21 12:54:40,621 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2020-07-21 12:54:40,621 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-21 12:54:40,621 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2020-07-21 12:54:40,621 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2020-07-21 12:54:40,622 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:40,622 INFO L268 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-07-21 12:54:40,622 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:40,622 INFO L268 CegarLoopResult]: For program point L122-1(line 122) no Hoare annotation was computed. [2020-07-21 12:54:40,622 INFO L268 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-07-21 12:54:40,622 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2020-07-21 12:54:40,622 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:40,623 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:40,623 INFO L268 CegarLoopResult]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2020-07-21 12:54:40,623 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:40,623 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2020-07-21 12:54:40,623 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2020-07-21 12:54:40,623 INFO L264 CegarLoopResult]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:40,623 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:54:40,624 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-07-21 12:54:40,624 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2020-07-21 12:54:40,624 INFO L268 CegarLoopResult]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2020-07-21 12:54:40,624 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:54:40,624 INFO L264 CegarLoopResult]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:54:40,624 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-21 12:54:40,625 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2020-07-21 12:54:40,625 INFO L268 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-07-21 12:54:40,625 INFO L264 CegarLoopResult]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:54:40,625 INFO L268 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-07-21 12:54:40,625 INFO L264 CegarLoopResult]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:54:40,625 INFO L268 CegarLoopResult]: For program point L266(lines 265 310) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point L295(lines 295 306) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point L862(lines 862 869) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point L856(lines 856 876) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2020-07-21 12:54:40,626 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2020-07-21 12:54:40,627 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point L768(lines 768 784) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point L789(lines 788 808) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-21 12:54:40,628 INFO L268 CegarLoopResult]: For program point L785(lines 785 826) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point L827(lines 827 838) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2020-07-21 12:54:40,629 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2020-07-21 12:54:40,630 INFO L268 CegarLoopResult]: For program point L809(lines 787 810) no Hoare annotation was computed. [2020-07-21 12:54:40,630 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,630 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 12:54:40,630 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,630 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-21 12:54:40,630 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-21 12:54:40,630 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:40,631 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2020-07-21 12:54:40,631 INFO L268 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2020-07-21 12:54:40,631 INFO L271 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: true [2020-07-21 12:54:40,631 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2020-07-21 12:54:40,631 INFO L268 CegarLoopResult]: For program point L220-1(line 220) no Hoare annotation was computed. [2020-07-21 12:54:40,631 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2020-07-21 12:54:40,631 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2020-07-21 12:54:40,631 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,632 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2020-07-21 12:54:40,633 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2020-07-21 12:54:40,633 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2020-07-21 12:54:40,633 INFO L264 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:40,633 INFO L268 CegarLoopResult]: For program point L62(lines 58 80) no Hoare annotation was computed. [2020-07-21 12:54:40,633 INFO L268 CegarLoopResult]: For program point L60(lines 58 80) no Hoare annotation was computed. [2020-07-21 12:54:40,633 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 12:54:40,634 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2020-07-21 12:54:40,634 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-21 12:54:40,634 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2020-07-21 12:54:40,634 INFO L264 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-21 12:54:40,634 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-07-21 12:54:40,635 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2020-07-21 12:54:40,635 INFO L271 CegarLoopResult]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2020-07-21 12:54:40,635 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 12:54:40,635 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2020-07-21 12:54:40,635 INFO L271 CegarLoopResult]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2020-07-21 12:54:40,635 INFO L271 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: true [2020-07-21 12:54:40,635 INFO L268 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-07-21 12:54:40,635 INFO L271 CegarLoopResult]: At program point L459(lines 434 463) the Hoare annotation is: true [2020-07-21 12:54:40,636 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 12:54:40,636 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3))) [2020-07-21 12:54:40,636 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2020-07-21 12:54:40,636 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-07-21 12:54:40,636 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2020-07-21 12:54:40,636 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2020-07-21 12:54:40,636 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,636 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:54:40,637 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:40,637 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:40,637 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:40,637 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:40,637 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-07-21 12:54:40,637 INFO L268 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-07-21 12:54:40,637 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2020-07-21 12:54:40,637 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:40,638 INFO L268 CegarLoopResult]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2020-07-21 12:54:40,638 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:40,638 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-21 12:54:40,638 INFO L268 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-07-21 12:54:40,638 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2020-07-21 12:54:40,638 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 12:54:40,638 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-07-21 12:54:40,639 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2020-07-21 12:54:40,639 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2020-07-21 12:54:40,639 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2020-07-21 12:54:40,639 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2020-07-21 12:54:40,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:40 BoogieIcfgContainer [2020-07-21 12:54:40,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:40,657 INFO L168 Benchmark]: Toolchain (without parser) took 16094.66 ms. Allocated memory was 145.2 MB in the beginning and 406.8 MB in the end (delta: 261.6 MB). Free memory was 101.7 MB in the beginning and 346.9 MB in the end (delta: -245.2 MB). Peak memory consumption was 278.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:40,658 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 12:54:40,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.97 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 169.1 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:40,660 INFO L168 Benchmark]: Boogie Preprocessor took 103.10 ms. Allocated memory is still 202.4 MB. Free memory was 169.1 MB in the beginning and 165.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:40,661 INFO L168 Benchmark]: RCFGBuilder took 1138.54 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.0 MB in the beginning and 193.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:40,662 INFO L168 Benchmark]: TraceAbstraction took 14197.44 ms. Allocated memory was 235.4 MB in the beginning and 406.8 MB in the end (delta: 171.4 MB). Free memory was 193.0 MB in the beginning and 346.9 MB in the end (delta: -153.9 MB). Peak memory consumption was 279.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:40,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.97 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 169.1 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.10 ms. Allocated memory is still 202.4 MB. Free memory was 169.1 MB in the beginning and 165.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1138.54 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.0 MB in the beginning and 193.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14197.44 ms. Allocated memory was 235.4 MB in the beginning and 406.8 MB in the end (delta: 171.4 MB). Free memory was 193.0 MB in the beginning and 346.9 MB in the end (delta: -153.9 MB). Peak memory consumption was 279.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1800 SDtfs, 1262 SDslu, 3059 SDs, 0 SdLazy, 1597 SolverSat, 478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1060 GetRequests, 998 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 187 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 827 PreInvPairs, 902 NumberOfFragments, 1534 HoareAnnotationTreeSize, 827 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7275 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 889 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1035 ConstructedInterpolants, 0 QuantifiedInterpolants, 204897 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7559 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 89/111 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...