/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:57:03,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:57:03,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:57:03,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:57:03,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:57:03,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:57:03,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:57:03,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:57:03,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:57:03,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:57:03,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:57:03,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:57:03,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:57:03,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:57:03,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:57:03,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:57:03,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:57:03,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:57:03,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:57:03,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:57:03,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:57:03,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:57:03,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:57:03,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:57:03,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:57:03,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:57:03,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:57:03,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:57:03,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:57:03,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:57:03,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:57:03,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:57:03,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:57:03,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:57:03,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:57:03,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:57:03,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:57:03,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:57:03,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:57:03,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:57:03,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:57:03,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 00:57:03,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:57:03,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:57:03,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:57:03,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:57:03,487 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:57:03,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:57:03,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:57:03,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:57:03,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:57:03,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:57:03,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:57:03,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:57:03,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:57:03,488 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:57:03,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:57:03,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:57:03,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:57:03,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:57:03,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:57:03,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:57:03,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:57:03,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:57:03,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:57:03,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:57:03,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:57:03,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:57:03,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:57:03,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:57:03,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:57:03,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:57:03,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:57:03,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:57:03,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:57:03,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:57:03,858 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:57:03,859 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-20 00:57:03,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f2ffec74/4a493c408d5742cda644870304502ea7/FLAG8e2e9dfe8 [2020-07-20 00:57:04,505 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:57:04,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-20 00:57:04,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f2ffec74/4a493c408d5742cda644870304502ea7/FLAG8e2e9dfe8 [2020-07-20 00:57:04,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f2ffec74/4a493c408d5742cda644870304502ea7 [2020-07-20 00:57:04,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:57:04,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:57:04,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:57:04,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:57:04,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:57:04,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:57:04" (1/1) ... [2020-07-20 00:57:04,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f796372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:04, skipping insertion in model container [2020-07-20 00:57:04,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:57:04" (1/1) ... [2020-07-20 00:57:04,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:57:04,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:57:05,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:57:05,207 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:57:05,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:57:05,455 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:57:05,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05 WrapperNode [2020-07-20 00:57:05,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:57:05,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:57:05,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:57:05,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:57:05,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... [2020-07-20 00:57:05,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:57:05,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:57:05,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:57:05,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:57:05,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:57:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:57:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:57:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:57:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:57:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:57:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:57:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:57:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:57:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:57:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:57:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:57:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:57:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:57:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:57:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:57:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 00:57:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:57:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:57:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:57:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:57:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:57:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:57:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:57:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:57:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:57:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:57:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:57:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:57:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:57:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:57:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:57:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:57:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:57:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:57:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:57:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:57:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:57:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:57:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 00:57:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:57:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:57:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:57:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 00:57:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:57:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:57:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:57:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:57:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:57:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:57:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:57:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:57:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:57:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:57:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:57:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:57:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:57:06,695 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:57:06,696 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:57:06,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:57:06 BoogieIcfgContainer [2020-07-20 00:57:06,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:57:06,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:57:06,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:57:06,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:57:06,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:57:04" (1/3) ... [2020-07-20 00:57:06,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0a3a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:57:06, skipping insertion in model container [2020-07-20 00:57:06,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:05" (2/3) ... [2020-07-20 00:57:06,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0a3a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:57:06, skipping insertion in model container [2020-07-20 00:57:06,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:57:06" (3/3) ... [2020-07-20 00:57:06,710 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-07-20 00:57:06,721 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:57:06,730 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:57:06,744 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:57:06,766 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:57:06,766 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:57:06,766 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:57:06,766 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:57:06,767 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:57:06,767 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:57:06,767 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:57:06,767 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:57:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-20 00:57:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 00:57:06,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:06,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:06,806 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:06,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:06,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083297, now seen corresponding path program 1 times [2020-07-20 00:57:06,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:06,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124660931] [2020-07-20 00:57:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,528 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:07,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124660931] [2020-07-20 00:57:07,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:07,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:57:07,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739960067] [2020-07-20 00:57:07,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:57:07,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:07,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:57:07,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:57:07,740 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 4 states. [2020-07-20 00:57:09,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:09,020 INFO L93 Difference]: Finished difference Result 306 states and 397 transitions. [2020-07-20 00:57:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 00:57:09,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-20 00:57:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:09,037 INFO L225 Difference]: With dead ends: 306 [2020-07-20 00:57:09,037 INFO L226 Difference]: Without dead ends: 170 [2020-07-20 00:57:09,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:57:09,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-20 00:57:09,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 137. [2020-07-20 00:57:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-20 00:57:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2020-07-20 00:57:09,134 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2020-07-20 00:57:09,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:09,135 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2020-07-20 00:57:09,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:57:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2020-07-20 00:57:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:57:09,139 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:09,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:09,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:57:09,139 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:09,140 INFO L82 PathProgramCache]: Analyzing trace with hash 604742129, now seen corresponding path program 1 times [2020-07-20 00:57:09,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:09,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060658964] [2020-07-20 00:57:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,481 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:09,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060658964] [2020-07-20 00:57:09,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:09,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 00:57:09,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711301649] [2020-07-20 00:57:09,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 00:57:09,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:09,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 00:57:09,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:57:09,549 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 5 states. [2020-07-20 00:57:10,057 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:10,926 INFO L93 Difference]: Finished difference Result 247 states and 304 transitions. [2020-07-20 00:57:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 00:57:10,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-20 00:57:10,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:10,930 INFO L225 Difference]: With dead ends: 247 [2020-07-20 00:57:10,930 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 00:57:10,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:57:10,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 00:57:10,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-20 00:57:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 00:57:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2020-07-20 00:57:10,989 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2020-07-20 00:57:10,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:10,990 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2020-07-20 00:57:10,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 00:57:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2020-07-20 00:57:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 00:57:11,000 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:11,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:11,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:57:11,001 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:11,001 INFO L82 PathProgramCache]: Analyzing trace with hash -185652476, now seen corresponding path program 1 times [2020-07-20 00:57:11,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:11,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011859548] [2020-07-20 00:57:11,002 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,415 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:11,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011859548] [2020-07-20 00:57:11,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:11,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:57:11,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373348592] [2020-07-20 00:57:11,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:57:11,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:11,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:57:11,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:57:11,583 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 9 states. [2020-07-20 00:57:11,933 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:12,252 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 00:57:12,543 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:12,776 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:13,983 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2020-07-20 00:57:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 00:57:13,983 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-20 00:57:13,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:13,988 INFO L225 Difference]: With dead ends: 260 [2020-07-20 00:57:13,988 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 00:57:13,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:57:13,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 00:57:14,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-20 00:57:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 00:57:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2020-07-20 00:57:14,026 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2020-07-20 00:57:14,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:14,027 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2020-07-20 00:57:14,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:57:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2020-07-20 00:57:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 00:57:14,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:14,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:14,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:57:14,029 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:14,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:14,030 INFO L82 PathProgramCache]: Analyzing trace with hash -285076691, now seen corresponding path program 1 times [2020-07-20 00:57:14,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:14,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818404614] [2020-07-20 00:57:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,306 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:14,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818404614] [2020-07-20 00:57:14,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:14,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 00:57:14,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439862888] [2020-07-20 00:57:14,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 00:57:14,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:14,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 00:57:14,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:57:14,391 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 7 states. [2020-07-20 00:57:14,822 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:16,011 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:16,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:16,725 INFO L93 Difference]: Finished difference Result 359 states and 451 transitions. [2020-07-20 00:57:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:57:16,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-20 00:57:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:16,730 INFO L225 Difference]: With dead ends: 359 [2020-07-20 00:57:16,730 INFO L226 Difference]: Without dead ends: 259 [2020-07-20 00:57:16,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-20 00:57:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-07-20 00:57:16,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 210. [2020-07-20 00:57:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-20 00:57:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2020-07-20 00:57:16,788 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2020-07-20 00:57:16,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:16,789 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2020-07-20 00:57:16,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 00:57:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2020-07-20 00:57:16,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 00:57:16,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:16,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:16,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:57:16,791 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:16,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:16,792 INFO L82 PathProgramCache]: Analyzing trace with hash -791027315, now seen corresponding path program 1 times [2020-07-20 00:57:16,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:16,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426324818] [2020-07-20 00:57:16,793 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,052 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:17,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426324818] [2020-07-20 00:57:17,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:17,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:57:17,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71746458] [2020-07-20 00:57:17,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:57:17,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:17,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:57:17,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:57:17,192 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 9 states. [2020-07-20 00:57:17,665 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:18,895 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:19,180 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:19,424 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:19,657 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:20,904 INFO L93 Difference]: Finished difference Result 626 states and 786 transitions. [2020-07-20 00:57:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 00:57:20,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-20 00:57:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:20,910 INFO L225 Difference]: With dead ends: 626 [2020-07-20 00:57:20,911 INFO L226 Difference]: Without dead ends: 444 [2020-07-20 00:57:20,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 00:57:20,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-07-20 00:57:20,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 368. [2020-07-20 00:57:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-07-20 00:57:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2020-07-20 00:57:20,984 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2020-07-20 00:57:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:20,985 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2020-07-20 00:57:20,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:57:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2020-07-20 00:57:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 00:57:20,987 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:20,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:20,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:57:20,987 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:20,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:20,988 INFO L82 PathProgramCache]: Analyzing trace with hash 474237417, now seen corresponding path program 1 times [2020-07-20 00:57:20,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:20,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755131053] [2020-07-20 00:57:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,280 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:21,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755131053] [2020-07-20 00:57:21,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:21,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:57:21,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517053516] [2020-07-20 00:57:21,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:57:21,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:21,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:57:21,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:57:21,451 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 10 states. [2020-07-20 00:57:21,905 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:23,092 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:23,408 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:23,680 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:23,982 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:24,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:24,993 INFO L93 Difference]: Finished difference Result 822 states and 1015 transitions. [2020-07-20 00:57:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 00:57:24,993 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-20 00:57:24,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:24,998 INFO L225 Difference]: With dead ends: 822 [2020-07-20 00:57:24,998 INFO L226 Difference]: Without dead ends: 482 [2020-07-20 00:57:25,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-20 00:57:25,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-07-20 00:57:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 367. [2020-07-20 00:57:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-07-20 00:57:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2020-07-20 00:57:25,079 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2020-07-20 00:57:25,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:25,080 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2020-07-20 00:57:25,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:57:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2020-07-20 00:57:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 00:57:25,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:25,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:25,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:57:25,082 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:25,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1710786942, now seen corresponding path program 1 times [2020-07-20 00:57:25,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:25,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908795444] [2020-07-20 00:57:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,342 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:25,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908795444] [2020-07-20 00:57:25,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:25,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:57:25,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602486319] [2020-07-20 00:57:25,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:57:25,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:25,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:57:25,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:57:25,482 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 10 states. [2020-07-20 00:57:26,533 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:26,790 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 00:57:27,052 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:27,303 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:28,460 INFO L93 Difference]: Finished difference Result 825 states and 1024 transitions. [2020-07-20 00:57:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:57:28,460 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-20 00:57:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:28,464 INFO L225 Difference]: With dead ends: 825 [2020-07-20 00:57:28,464 INFO L226 Difference]: Without dead ends: 486 [2020-07-20 00:57:28,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:57:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-07-20 00:57:28,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 377. [2020-07-20 00:57:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-07-20 00:57:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2020-07-20 00:57:28,530 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2020-07-20 00:57:28,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:28,531 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2020-07-20 00:57:28,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:57:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2020-07-20 00:57:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 00:57:28,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:28,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:28,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:57:28,533 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:28,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:28,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1009187068, now seen corresponding path program 1 times [2020-07-20 00:57:28,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:28,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335807709] [2020-07-20 00:57:28,534 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,838 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:29,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335807709] [2020-07-20 00:57:29,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:29,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 00:57:29,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859992914] [2020-07-20 00:57:29,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 00:57:29,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:29,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 00:57:29,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:57:29,064 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 12 states. [2020-07-20 00:57:29,781 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:57:30,087 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:30,412 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:31,126 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:31,390 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:31,641 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:57:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:33,028 INFO L93 Difference]: Finished difference Result 849 states and 1066 transitions. [2020-07-20 00:57:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:57:33,029 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-20 00:57:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:33,034 INFO L225 Difference]: With dead ends: 849 [2020-07-20 00:57:33,035 INFO L226 Difference]: Without dead ends: 500 [2020-07-20 00:57:33,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:57:33,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-07-20 00:57:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 385. [2020-07-20 00:57:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-07-20 00:57:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2020-07-20 00:57:33,119 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2020-07-20 00:57:33,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:33,120 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2020-07-20 00:57:33,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 00:57:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2020-07-20 00:57:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 00:57:33,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:33,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:33,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:57:33,124 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:33,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:33,124 INFO L82 PathProgramCache]: Analyzing trace with hash 716293829, now seen corresponding path program 1 times [2020-07-20 00:57:33,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:33,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970097809] [2020-07-20 00:57:33,125 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,399 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:33,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970097809] [2020-07-20 00:57:33,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:33,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:57:33,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514665860] [2020-07-20 00:57:33,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:57:33,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:33,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:57:33,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:57:33,537 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 8 states. [2020-07-20 00:57:33,945 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:34,519 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:37,033 INFO L93 Difference]: Finished difference Result 1197 states and 1553 transitions. [2020-07-20 00:57:37,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 00:57:37,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-20 00:57:37,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:37,042 INFO L225 Difference]: With dead ends: 1197 [2020-07-20 00:57:37,042 INFO L226 Difference]: Without dead ends: 840 [2020-07-20 00:57:37,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-20 00:57:37,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-07-20 00:57:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 695. [2020-07-20 00:57:37,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-07-20 00:57:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 813 transitions. [2020-07-20 00:57:37,187 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 813 transitions. Word has length 89 [2020-07-20 00:57:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:37,189 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 813 transitions. [2020-07-20 00:57:37,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:57:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 813 transitions. [2020-07-20 00:57:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 00:57:37,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:37,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:37,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 00:57:37,194 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:37,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash -7624597, now seen corresponding path program 1 times [2020-07-20 00:57:37,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:37,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914051783] [2020-07-20 00:57:37,196 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,466 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:37,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914051783] [2020-07-20 00:57:37,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:57:37,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:57:37,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709615950] [2020-07-20 00:57:37,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:57:37,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:57:37,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:57:37,586 INFO L87 Difference]: Start difference. First operand 695 states and 813 transitions. Second operand 8 states. [2020-07-20 00:57:38,032 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:57:40,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:40,602 INFO L93 Difference]: Finished difference Result 1377 states and 1783 transitions. [2020-07-20 00:57:40,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 00:57:40,606 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-20 00:57:40,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:40,615 INFO L225 Difference]: With dead ends: 1377 [2020-07-20 00:57:40,615 INFO L226 Difference]: Without dead ends: 1374 [2020-07-20 00:57:40,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-20 00:57:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-07-20 00:57:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1147. [2020-07-20 00:57:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-07-20 00:57:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1356 transitions. [2020-07-20 00:57:40,820 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1356 transitions. Word has length 93 [2020-07-20 00:57:40,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:40,822 INFO L479 AbstractCegarLoop]: Abstraction has 1147 states and 1356 transitions. [2020-07-20 00:57:40,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:57:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1356 transitions. [2020-07-20 00:57:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 00:57:40,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:40,827 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:40,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-20 00:57:40,828 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1116069495, now seen corresponding path program 1 times [2020-07-20 00:57:40,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:40,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614168260] [2020-07-20 00:57:40,833 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,100 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 00:57:41,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614168260] [2020-07-20 00:57:41,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922241037] [2020-07-20 00:57:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f64e90c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:57:41,836 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f64e90c issued 4 check-sat command(s) [2020-07-20 00:57:41,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:57:41,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 00:57:41,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:57:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:41,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:57:41,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-20 00:57:41,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655532056] [2020-07-20 00:57:41,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:57:41,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:41,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:57:41,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:57:41,914 INFO L87 Difference]: Start difference. First operand 1147 states and 1356 transitions. Second operand 3 states. [2020-07-20 00:57:42,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:42,490 INFO L93 Difference]: Finished difference Result 1935 states and 2323 transitions. [2020-07-20 00:57:42,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:57:42,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-20 00:57:42,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:42,497 INFO L225 Difference]: With dead ends: 1935 [2020-07-20 00:57:42,497 INFO L226 Difference]: Without dead ends: 948 [2020-07-20 00:57:42,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:57:42,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-07-20 00:57:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2020-07-20 00:57:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-07-20 00:57:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1106 transitions. [2020-07-20 00:57:42,812 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1106 transitions. Word has length 152 [2020-07-20 00:57:42,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:42,812 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1106 transitions. [2020-07-20 00:57:42,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:57:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1106 transitions. [2020-07-20 00:57:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-20 00:57:42,816 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:42,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:43,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 00:57:43,031 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:43,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:43,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1764550393, now seen corresponding path program 1 times [2020-07-20 00:57:43,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:43,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367275708] [2020-07-20 00:57:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,393 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 00:57:43,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367275708] [2020-07-20 00:57:43,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759213367] [2020-07-20 00:57:43,748 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@425431de No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:57:44,425 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@425431de issued 4 check-sat command(s) [2020-07-20 00:57:44,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:57:44,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 00:57:44,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:57:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:57:44,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:57:44,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 19 [2020-07-20 00:57:44,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659195493] [2020-07-20 00:57:44,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:57:44,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:44,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:57:44,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-20 00:57:44,679 INFO L87 Difference]: Start difference. First operand 948 states and 1106 transitions. Second operand 9 states. [2020-07-20 00:57:46,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:46,714 INFO L93 Difference]: Finished difference Result 2574 states and 3363 transitions. [2020-07-20 00:57:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:57:46,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2020-07-20 00:57:46,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:46,729 INFO L225 Difference]: With dead ends: 2574 [2020-07-20 00:57:46,729 INFO L226 Difference]: Without dead ends: 1786 [2020-07-20 00:57:46,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2020-07-20 00:57:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2020-07-20 00:57:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1410. [2020-07-20 00:57:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2020-07-20 00:57:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1641 transitions. [2020-07-20 00:57:47,052 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1641 transitions. Word has length 154 [2020-07-20 00:57:47,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:47,053 INFO L479 AbstractCegarLoop]: Abstraction has 1410 states and 1641 transitions. [2020-07-20 00:57:47,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:57:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1641 transitions. [2020-07-20 00:57:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-20 00:57:47,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:57:47,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:57:47,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 00:57:47,271 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:57:47,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:57:47,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1836936951, now seen corresponding path program 1 times [2020-07-20 00:57:47,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:57:47,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237502666] [2020-07-20 00:57:47,272 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@452f4f28 [2020-07-20 00:57:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,655 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:57:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:57:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 00:57:47,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237502666] [2020-07-20 00:57:47,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440815001] [2020-07-20 00:57:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@256a46d0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:57:48,746 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@256a46d0 issued 4 check-sat command(s) [2020-07-20 00:57:48,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:57:48,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 00:57:48,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:57:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 00:57:48,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:57:48,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 15 [2020-07-20 00:57:48,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070972867] [2020-07-20 00:57:48,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 00:57:48,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:57:48,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 00:57:48,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-20 00:57:48,829 INFO L87 Difference]: Start difference. First operand 1410 states and 1641 transitions. Second operand 6 states. [2020-07-20 00:57:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:57:49,041 INFO L93 Difference]: Finished difference Result 1959 states and 2277 transitions. [2020-07-20 00:57:49,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 00:57:49,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-20 00:57:49,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:57:49,043 INFO L225 Difference]: With dead ends: 1959 [2020-07-20 00:57:49,043 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 00:57:49,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-20 00:57:49,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 00:57:49,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 00:57:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 00:57:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 00:57:49,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-20 00:57:49,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:57:49,050 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 00:57:49,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 00:57:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 00:57:49,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 00:57:49,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 00:57:49,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 00:57:51,885 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 339 DAG size of output: 305 [2020-07-20 00:57:54,398 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 313 [2020-07-20 00:57:55,975 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 313 [2020-07-20 00:57:56,918 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 284 [2020-07-20 00:57:57,348 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 284 [2020-07-20 00:57:58,084 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-07-20 00:57:58,263 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:57:58,464 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:57:58,887 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2020-07-20 00:57:59,075 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:57:59,288 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:58:00,927 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-07-20 00:58:01,509 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-20 00:58:01,901 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-07-20 00:58:02,455 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-20 00:58:03,065 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2020-07-20 00:58:03,437 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2020-07-20 00:58:03,614 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 00:58:04,125 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-20 00:58:04,462 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-20 00:58:05,219 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-07-20 00:58:05,430 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-20 00:58:05,996 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-20 00:58:06,397 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 21 [2020-07-20 00:58:06,608 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-20 00:58:07,483 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 36 [2020-07-20 00:58:07,661 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-20 00:58:09,214 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 262 DAG size of output: 34 [2020-07-20 00:58:09,573 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2020-07-20 00:58:09,762 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:58:10,153 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2020-07-20 00:58:10,530 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 14 [2020-07-20 00:58:10,752 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:58:11,323 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-07-20 00:58:11,509 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2020-07-20 00:58:11,699 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:58:11,897 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:58:12,324 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-07-20 00:58:12,509 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:58:12,700 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 00:58:12,904 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:58:13,488 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-20 00:58:13,692 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 00:58:13,929 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-20 00:58:15,587 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 262 DAG size of output: 34 [2020-07-20 00:58:15,957 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 13 [2020-07-20 00:58:16,408 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 34 [2020-07-20 00:58:16,595 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-20 00:58:17,887 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-20 00:58:19,158 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-20 00:58:19,703 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-20 00:58:19,713 INFO L268 CegarLoopResult]: For program point L705(lines 682 706) no Hoare annotation was computed. [2020-07-20 00:58:19,713 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 658 713) no Hoare annotation was computed. [2020-07-20 00:58:19,713 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-07-20 00:58:19,713 INFO L268 CegarLoopResult]: For program point L689-1(lines 689 693) no Hoare annotation was computed. [2020-07-20 00:58:19,713 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-20 00:58:19,713 INFO L268 CegarLoopResult]: For program point L683-2(lines 683 704) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 658 713) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 658 713) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point L766(lines 739 767) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 714 773) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 714 773) no Hoare annotation was computed. [2020-07-20 00:58:19,714 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-20 00:58:19,715 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 714 773) no Hoare annotation was computed. [2020-07-20 00:58:19,715 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 750) no Hoare annotation was computed. [2020-07-20 00:58:19,715 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-20 00:58:19,715 INFO L268 CegarLoopResult]: For program point L740-2(lines 740 765) no Hoare annotation was computed. [2020-07-20 00:58:19,715 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 00:58:19,715 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 00:58:19,715 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 00:58:19,716 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 00:58:19,716 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 00:58:19,716 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,716 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2020-07-20 00:58:19,716 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2020-07-20 00:58:19,716 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 00:58:19,716 INFO L264 CegarLoopResult]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 00:58:19,717 INFO L268 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2020-07-20 00:58:19,717 INFO L268 CegarLoopResult]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2020-07-20 00:58:19,717 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 00:58:19,717 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,717 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,717 INFO L264 CegarLoopResult]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,717 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-20 00:58:19,717 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-20 00:58:19,718 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2020-07-20 00:58:19,719 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2020-07-20 00:58:19,720 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-20 00:58:19,720 INFO L271 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: true [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2020-07-20 00:58:19,720 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 456 491) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 456 491) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 456 491) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 612 657) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 612 657) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 612 657) no Hoare annotation was computed. [2020-07-20 00:58:19,721 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 925 970) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point L945(lines 945 952) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point L939(lines 939 959) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 925 970) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 959) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 925 970) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 436 446) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 436 446) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-20 00:58:19,722 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-20 00:58:19,723 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 436 446) no Hoare annotation was computed. [2020-07-20 00:58:19,723 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,723 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2020-07-20 00:58:19,723 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2020-07-20 00:58:19,723 INFO L268 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2020-07-20 00:58:19,723 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2020-07-20 00:58:19,723 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2020-07-20 00:58:19,723 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2020-07-20 00:58:19,724 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 00:58:19,724 INFO L268 CegarLoopResult]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2020-07-20 00:58:19,724 INFO L264 CegarLoopResult]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 00:58:19,724 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2020-07-20 00:58:19,724 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3)) .cse1))) [2020-07-20 00:58:19,724 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 00:58:19,724 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-20 00:58:19,725 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 00:58:19,725 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-07-20 00:58:19,725 INFO L268 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2020-07-20 00:58:19,725 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2020-07-20 00:58:19,725 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2020-07-20 00:58:19,725 INFO L264 CegarLoopResult]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-20 00:58:19,725 INFO L268 CegarLoopResult]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2020-07-20 00:58:19,726 INFO L264 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 00:58:19,726 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-20 00:58:19,726 INFO L264 CegarLoopResult]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 00:58:19,726 INFO L268 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2020-07-20 00:58:19,726 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 00:58:19,726 INFO L268 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2020-07-20 00:58:19,726 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 00:58:19,727 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-20 00:58:19,727 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-07-20 00:58:19,727 INFO L264 CegarLoopResult]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 00:58:19,727 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 00:58:19,727 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-20 00:58:19,727 INFO L268 CegarLoopResult]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2020-07-20 00:58:19,727 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-20 00:58:19,727 INFO L268 CegarLoopResult]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 879 924) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 879 924) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 879 924) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-20 00:58:19,728 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2020-07-20 00:58:19,728 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-20 00:58:19,729 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-20 00:58:19,729 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-20 00:58:19,729 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-20 00:58:19,729 INFO L268 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2020-07-20 00:58:19,729 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse3))) [2020-07-20 00:58:19,729 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-20 00:58:19,729 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-20 00:58:19,729 INFO L268 CegarLoopResult]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2020-07-20 00:58:19,730 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 776 878) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point L826(lines 825 845) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-20 00:58:19,731 INFO L268 CegarLoopResult]: For program point L822(lines 822 863) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 776 878) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L864(lines 864 875) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L825-2(lines 825 845) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 776 878) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L846(lines 824 847) no Hoare annotation was computed. [2020-07-20 00:58:19,732 INFO L268 CegarLoopResult]: For program point L805(lines 805 821) no Hoare annotation was computed. [2020-07-20 00:58:19,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,733 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string11.base)| |#t~string11.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |#t~string71.base| |old(#t~string71.base)|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string71.offset)| |#t~string71.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string11.offset)| |#t~string11.offset|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 00:58:19,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,733 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2020-07-20 00:58:19,733 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2020-07-20 00:58:19,733 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,733 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L271 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: true [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-07-20 00:58:19,734 INFO L268 CegarLoopResult]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2020-07-20 00:58:19,735 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-20 00:58:19,735 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2020-07-20 00:58:19,735 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,735 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,735 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,735 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 00:58:19,735 INFO L264 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (and (= 0 ~methAndRunningLastTime~0) .cse7 .cse3)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (<= 1 ~pumpRunning~0)) .cse5 .cse6) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse5 .cse6) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7 .cse4) .cse2 .cse6)))) [2020-07-20 00:58:19,736 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 00:58:19,736 INFO L268 CegarLoopResult]: For program point L341(lines 340 359) no Hoare annotation was computed. [2020-07-20 00:58:19,736 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 00:58:19,736 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2020-07-20 00:58:19,736 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2020-07-20 00:58:19,736 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-07-20 00:58:19,736 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-20 00:58:19,737 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-07-20 00:58:19,737 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-07-20 00:58:19,737 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 00:58:19,737 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-07-20 00:58:19,737 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-07-20 00:58:19,737 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-07-20 00:58:19,737 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-07-20 00:58:19,737 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-20 00:58:19,737 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2020-07-20 00:58:19,738 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-20 00:58:19,738 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-20 00:58:19,738 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,738 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2020-07-20 00:58:19,738 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2020-07-20 00:58:19,738 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-07-20 00:58:19,738 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-07-20 00:58:19,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,739 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 00:58:19,739 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 00:58:19,739 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:58:19,739 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-20 00:58:19,739 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 00:58:19,739 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-20 00:58:19,739 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,739 INFO L264 CegarLoopResult]: At program point L383(line 383) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,740 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-20 00:58:19,740 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 00:58:19,740 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-20 00:58:19,740 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,740 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-20 00:58:19,740 INFO L268 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2020-07-20 00:58:19,740 INFO L264 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:58:19,740 INFO L268 CegarLoopResult]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2020-07-20 00:58:19,740 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2020-07-20 00:58:19,741 INFO L268 CegarLoopResult]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2020-07-20 00:58:19,741 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 00:58:19,741 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2020-07-20 00:58:19,741 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-20 00:58:19,741 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2020-07-20 00:58:19,741 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2020-07-20 00:58:19,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:58:19 BoogieIcfgContainer [2020-07-20 00:58:19,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:58:19,761 INFO L168 Benchmark]: Toolchain (without parser) took 74989.25 ms. Allocated memory was 144.2 MB in the beginning and 939.0 MB in the end (delta: 794.8 MB). Free memory was 100.8 MB in the beginning and 192.8 MB in the end (delta: -92.0 MB). Peak memory consumption was 794.2 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:19,762 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 00:58:19,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.76 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:19,763 INFO L168 Benchmark]: Boogie Preprocessor took 112.78 ms. Allocated memory is still 201.9 MB. Free memory was 170.8 MB in the beginning and 166.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:19,764 INFO L168 Benchmark]: RCFGBuilder took 1131.48 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 196.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:19,765 INFO L168 Benchmark]: TraceAbstraction took 73057.00 ms. Allocated memory was 233.3 MB in the beginning and 939.0 MB in the end (delta: 705.7 MB). Free memory was 196.6 MB in the beginning and 192.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 800.8 MB. Max. memory is 7.1 GB. [2020-07-20 00:58:19,767 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.76 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.78 ms. Allocated memory is still 201.9 MB. Free memory was 170.8 MB in the beginning and 166.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1131.48 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 196.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73057.00 ms. Allocated memory was 233.3 MB in the beginning and 939.0 MB in the end (delta: 705.7 MB). Free memory was 196.6 MB in the beginning and 192.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 800.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1723 SDtfs, 3556 SDslu, 2152 SDs, 0 SdLazy, 7248 SolverSat, 2450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 879 SyntacticMatches, 8 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1410occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1309 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2319 PreInvPairs, 2409 NumberOfFragments, 1728 HoareAnnotationTreeSize, 2319 FomulaSimplifications, 1095377333 FormulaSimplificationTreeSizeReduction, 8.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 41092531 FormulaSimplificationTreeSizeReductionInter, 22.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1682 NumberOfCodeBlocks, 1682 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 550205 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 241/254 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...