/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_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:05:35,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:05:35,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:05:35,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:05:35,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:05:35,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:05:35,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:05:35,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:05:35,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:05:35,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:05:35,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:05:35,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:05:35,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:05:35,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:05:35,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:05:35,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:05:35,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:05:35,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:05:35,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:05:35,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:05:35,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:05:35,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:05:35,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:05:35,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:05:35,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:05:35,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:05:35,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:05:35,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:05:35,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:05:35,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:05:35,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:05:35,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:05:35,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:05:35,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:05:35,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:05:35,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:05:35,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:05:35,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:05:35,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:05:35,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:05:35,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:05:35,354 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 01:05:35,376 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:05:35,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:05:35,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:05:35,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:05:35,379 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:05:35,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:05:35,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:05:35,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:05:35,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:05:35,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:05:35,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:05:35,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:05:35,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:05:35,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:05:35,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:05:35,382 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:05:35,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:05:35,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:05:35,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:05:35,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:05:35,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:05:35,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:05:35,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:05:35,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:05:35,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:05:35,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:05:35,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:05:35,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:05:35,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:05:35,385 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 01:05:35,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:05:35,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:05:35,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:05:35,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:05:35,735 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:05:35,736 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-07-20 01:05:35,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28143f8/fdb9cad80e8a47868e902c88e1a32ce1/FLAG7ba8051b4 [2020-07-20 01:05:36,301 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:05:36,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-07-20 01:05:36,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28143f8/fdb9cad80e8a47868e902c88e1a32ce1/FLAG7ba8051b4 [2020-07-20 01:05:36,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28143f8/fdb9cad80e8a47868e902c88e1a32ce1 [2020-07-20 01:05:36,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:05:36,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:05:36,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:05:36,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:05:36,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:05:36,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:36" (1/1) ... [2020-07-20 01:05:36,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e342fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:36, skipping insertion in model container [2020-07-20 01:05:36,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:36" (1/1) ... [2020-07-20 01:05:36,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:05:36,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:05:37,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:05:37,210 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:05:37,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:05:37,326 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:05:37,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37 WrapperNode [2020-07-20 01:05:37,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:05:37,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:05:37,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:05:37,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:05:37,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (1/1) ... [2020-07-20 01:05:37,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:05:37,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:05:37,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:05:37,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:05:37,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (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 01:05:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:05:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:05:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:05:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:05:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:05:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:05:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:05:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:05:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:05:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:05:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:05:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:05:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:05:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:05:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:05:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:05:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:05:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:05:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:05:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:05:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:05:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:05:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:05:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:05:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:05:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:05:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:05:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:05:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:05:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:05:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:05:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:05:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:05:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 01:05:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:05:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:05:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:05:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:05:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:05:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:05:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:05:37,494 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:05:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:05:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:05:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:05:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:05:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:05:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:05:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:05:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:05:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:05:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:05:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:05:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:05:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:05:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:05:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:05:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:05:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:05:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:05:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:05:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:05:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:05:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:05:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:05:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:05:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:05:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:05:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:05:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:05:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 01:05:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:05:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:05:37,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:05:38,536 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:05:38,536 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:05:38,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:38 BoogieIcfgContainer [2020-07-20 01:05:38,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:05:38,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:05:38,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:05:38,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:05:38,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:36" (1/3) ... [2020-07-20 01:05:38,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de68f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:38, skipping insertion in model container [2020-07-20 01:05:38,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:37" (2/3) ... [2020-07-20 01:05:38,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de68f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:38, skipping insertion in model container [2020-07-20 01:05:38,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:38" (3/3) ... [2020-07-20 01:05:38,553 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-07-20 01:05:38,564 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:05:38,574 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:05:38,589 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:05:38,614 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:05:38,614 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:05:38,614 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:05:38,615 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:05:38,615 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:05:38,615 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:05:38,615 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:05:38,615 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:05:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-20 01:05:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:05:38,649 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:38,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:38,650 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:38,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1347369271, now seen corresponding path program 1 times [2020-07-20 01:05:38,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:38,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686279292] [2020-07-20 01:05:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,385 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:39,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686279292] [2020-07-20 01:05:39,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:39,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:05:39,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925756010] [2020-07-20 01:05:39,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:05:39,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:39,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:05:39,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:05:39,540 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 4 states. [2020-07-20 01:05:40,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:40,512 INFO L93 Difference]: Finished difference Result 325 states and 415 transitions. [2020-07-20 01:05:40,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:05:40,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:05:40,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:40,528 INFO L225 Difference]: With dead ends: 325 [2020-07-20 01:05:40,529 INFO L226 Difference]: Without dead ends: 179 [2020-07-20 01:05:40,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 01:05:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-20 01:05:40,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 147. [2020-07-20 01:05:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-20 01:05:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-07-20 01:05:40,648 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2020-07-20 01:05:40,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:40,648 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-07-20 01:05:40,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:05:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-07-20 01:05:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:05:40,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:40,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:40,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:05:40,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:40,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:40,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1814034675, now seen corresponding path program 1 times [2020-07-20 01:05:40,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:40,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896977794] [2020-07-20 01:05:40,664 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:40,992 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:41,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896977794] [2020-07-20 01:05:41,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:41,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:05:41,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190111654] [2020-07-20 01:05:41,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:05:41,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:41,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:05:41,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:05:41,081 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 5 states. [2020-07-20 01:05:41,543 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:42,483 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2020-07-20 01:05:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:05:42,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:05:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:42,491 INFO L225 Difference]: With dead ends: 266 [2020-07-20 01:05:42,491 INFO L226 Difference]: Without dead ends: 169 [2020-07-20 01:05:42,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:05:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-20 01:05:42,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 138. [2020-07-20 01:05:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 01:05:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2020-07-20 01:05:42,556 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 60 [2020-07-20 01:05:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:42,556 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2020-07-20 01:05:42,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:05:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2020-07-20 01:05:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:05:42,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:42,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:42,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:05:42,560 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:42,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1518926539, now seen corresponding path program 1 times [2020-07-20 01:05:42,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:42,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190953988] [2020-07-20 01:05:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:42,952 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:43,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190953988] [2020-07-20 01:05:43,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:43,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:43,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858800096] [2020-07-20 01:05:43,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:43,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:43,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:43,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:43,044 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 9 states. [2020-07-20 01:05:43,383 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:43,677 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:43,940 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:44,164 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:45,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:45,301 INFO L93 Difference]: Finished difference Result 279 states and 342 transitions. [2020-07-20 01:05:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:05:45,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-20 01:05:45,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:45,304 INFO L225 Difference]: With dead ends: 279 [2020-07-20 01:05:45,304 INFO L226 Difference]: Without dead ends: 169 [2020-07-20 01:05:45,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:05:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-20 01:05:45,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 138. [2020-07-20 01:05:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 01:05:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2020-07-20 01:05:45,339 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 65 [2020-07-20 01:05:45,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:45,339 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2020-07-20 01:05:45,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2020-07-20 01:05:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 01:05:45,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:45,341 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:45,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:05:45,342 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:45,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:45,342 INFO L82 PathProgramCache]: Analyzing trace with hash 793046871, now seen corresponding path program 1 times [2020-07-20 01:05:45,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:45,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597475484] [2020-07-20 01:05:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,675 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:45,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597475484] [2020-07-20 01:05:45,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:45,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:05:45,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267588394] [2020-07-20 01:05:45,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:05:45,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:45,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:05:45,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:05:45,833 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 7 states. [2020-07-20 01:05:46,267 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:47,792 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:48,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:48,318 INFO L93 Difference]: Finished difference Result 391 states and 483 transitions. [2020-07-20 01:05:48,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:05:48,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-20 01:05:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:48,323 INFO L225 Difference]: With dead ends: 391 [2020-07-20 01:05:48,323 INFO L226 Difference]: Without dead ends: 281 [2020-07-20 01:05:48,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:05:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-20 01:05:48,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 235. [2020-07-20 01:05:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-07-20 01:05:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2020-07-20 01:05:48,372 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 78 [2020-07-20 01:05:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:48,373 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2020-07-20 01:05:48,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:05:48,373 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2020-07-20 01:05:48,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:48,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:48,374 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:48,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:05:48,375 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:48,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:48,375 INFO L82 PathProgramCache]: Analyzing trace with hash -856462191, now seen corresponding path program 1 times [2020-07-20 01:05:48,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:48,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543478926] [2020-07-20 01:05:48,376 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,689 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:05:48,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543478926] [2020-07-20 01:05:48,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:48,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:48,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680331838] [2020-07-20 01:05:48,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:48,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:48,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:48,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:48,848 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 9 states. [2020-07-20 01:05:49,259 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:49,964 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:50,827 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:51,108 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:51,584 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:51,823 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:52,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:52,434 INFO L93 Difference]: Finished difference Result 487 states and 586 transitions. [2020-07-20 01:05:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:05:52,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-20 01:05:52,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:52,440 INFO L225 Difference]: With dead ends: 487 [2020-07-20 01:05:52,440 INFO L226 Difference]: Without dead ends: 280 [2020-07-20 01:05:52,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:05:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-07-20 01:05:52,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 234. [2020-07-20 01:05:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-07-20 01:05:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 264 transitions. [2020-07-20 01:05:52,494 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 264 transitions. Word has length 92 [2020-07-20 01:05:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:52,494 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 264 transitions. [2020-07-20 01:05:52,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 264 transitions. [2020-07-20 01:05:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:05:52,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:52,497 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:52,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:05:52,497 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:52,498 INFO L82 PathProgramCache]: Analyzing trace with hash -357754488, now seen corresponding path program 1 times [2020-07-20 01:05:52,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:52,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751759449] [2020-07-20 01:05:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,738 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:52,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751759449] [2020-07-20 01:05:52,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:52,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:52,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16202347] [2020-07-20 01:05:52,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:52,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:52,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:52,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:52,873 INFO L87 Difference]: Start difference. First operand 234 states and 264 transitions. Second operand 9 states. [2020-07-20 01:05:53,829 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:54,085 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:54,316 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:54,540 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:55,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:55,215 INFO L93 Difference]: Finished difference Result 487 states and 589 transitions. [2020-07-20 01:05:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:55,216 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-20 01:05:55,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:55,219 INFO L225 Difference]: With dead ends: 487 [2020-07-20 01:05:55,219 INFO L226 Difference]: Without dead ends: 281 [2020-07-20 01:05:55,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:05:55,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-20 01:05:55,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 239. [2020-07-20 01:05:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-07-20 01:05:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 269 transitions. [2020-07-20 01:05:55,259 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 269 transitions. Word has length 108 [2020-07-20 01:05:55,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:55,259 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 269 transitions. [2020-07-20 01:05:55,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 269 transitions. [2020-07-20 01:05:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:05:55,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:55,261 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:55,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:05:55,262 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:55,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:55,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1570518214, now seen corresponding path program 1 times [2020-07-20 01:05:55,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:55,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061531181] [2020-07-20 01:05:55,263 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,529 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:55,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061531181] [2020-07-20 01:05:55,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:55,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:05:55,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160202496] [2020-07-20 01:05:55,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:05:55,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:55,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:05:55,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:05:55,687 INFO L87 Difference]: Start difference. First operand 239 states and 269 transitions. Second operand 11 states. [2020-07-20 01:05:56,209 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:56,438 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:56,659 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:57,328 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:57,583 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:57,814 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:58,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:58,695 INFO L93 Difference]: Finished difference Result 497 states and 600 transitions. [2020-07-20 01:05:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:05:58,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-20 01:05:58,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:58,698 INFO L225 Difference]: With dead ends: 497 [2020-07-20 01:05:58,698 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 01:05:58,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 01:05:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 243. [2020-07-20 01:05:58,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-20 01:05:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 273 transitions. [2020-07-20 01:05:58,735 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 273 transitions. Word has length 108 [2020-07-20 01:05:58,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:58,735 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 273 transitions. [2020-07-20 01:05:58,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:05:58,736 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 273 transitions. [2020-07-20 01:05:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:05:58,737 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:58,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:58,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:05:58,738 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:58,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1329978085, now seen corresponding path program 1 times [2020-07-20 01:05:58,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:58,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667722934] [2020-07-20 01:05:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:05:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,009 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:59,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667722934] [2020-07-20 01:05:59,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:59,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:05:59,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021073328] [2020-07-20 01:05:59,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:05:59,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:59,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:05:59,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:05:59,220 INFO L87 Difference]: Start difference. First operand 243 states and 273 transitions. Second operand 7 states. [2020-07-20 01:05:59,651 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:00,179 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:01,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:01,993 INFO L93 Difference]: Finished difference Result 679 states and 838 transitions. [2020-07-20 01:06:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:06:02,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-07-20 01:06:02,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:02,009 INFO L225 Difference]: With dead ends: 679 [2020-07-20 01:06:02,010 INFO L226 Difference]: Without dead ends: 464 [2020-07-20 01:06:02,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:06:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-07-20 01:06:02,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 422. [2020-07-20 01:06:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-07-20 01:06:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 489 transitions. [2020-07-20 01:06:02,099 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 489 transitions. Word has length 108 [2020-07-20 01:06:02,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:02,100 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 489 transitions. [2020-07-20 01:06:02,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:06:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 489 transitions. [2020-07-20 01:06:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 01:06:02,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:02,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:02,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:06:02,102 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:02,103 INFO L82 PathProgramCache]: Analyzing trace with hash 825673247, now seen corresponding path program 1 times [2020-07-20 01:06:02,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:02,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035915394] [2020-07-20 01:06:02,103 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:06:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,497 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:02,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035915394] [2020-07-20 01:06:02,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:02,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:06:02,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905727599] [2020-07-20 01:06:02,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:06:02,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:02,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:06:02,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:06:02,653 INFO L87 Difference]: Start difference. First operand 422 states and 489 transitions. Second operand 12 states. [2020-07-20 01:06:03,088 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:03,747 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:04,793 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,112 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,377 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:05,647 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,922 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:07,291 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:07,539 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:08,397 INFO L93 Difference]: Finished difference Result 1174 states and 1444 transitions. [2020-07-20 01:06:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:06:08,397 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-20 01:06:08,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:08,403 INFO L225 Difference]: With dead ends: 1174 [2020-07-20 01:06:08,403 INFO L226 Difference]: Without dead ends: 854 [2020-07-20 01:06:08,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:06:08,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-07-20 01:06:08,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 732. [2020-07-20 01:06:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-07-20 01:06:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 840 transitions. [2020-07-20 01:06:08,541 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 840 transitions. Word has length 112 [2020-07-20 01:06:08,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:08,541 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 840 transitions. [2020-07-20 01:06:08,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:06:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 840 transitions. [2020-07-20 01:06:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 01:06:08,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:08,547 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:06:08,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 01:06:08,548 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1258980138, now seen corresponding path program 1 times [2020-07-20 01:06:08,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:08,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597688526] [2020-07-20 01:06:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:06:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,894 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 01:06:09,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597688526] [2020-07-20 01:06:09,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620445141] [2020-07-20 01:06:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4484aec4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:09,615 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4484aec4 issued 4 check-sat command(s) [2020-07-20 01:06:09,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:09,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:06:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:06:09,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:09,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:06:09,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317210997] [2020-07-20 01:06:09,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:06:09,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:09,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:06:09,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:06:09,795 INFO L87 Difference]: Start difference. First operand 732 states and 840 transitions. Second operand 20 states. [2020-07-20 01:06:10,379 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:10,732 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:10,980 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:11,215 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:11,900 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:12,160 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:12,996 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:13,696 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:14,209 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:14,863 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:06:15,320 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:06:15,627 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:16,181 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:16,570 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:17,191 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:06:17,953 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:18,492 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:06:19,131 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:19,857 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:20,374 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:20,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:20,701 INFO L93 Difference]: Finished difference Result 1629 states and 1929 transitions. [2020-07-20 01:06:20,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-20 01:06:20,701 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-20 01:06:20,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:20,709 INFO L225 Difference]: With dead ends: 1629 [2020-07-20 01:06:20,709 INFO L226 Difference]: Without dead ends: 995 [2020-07-20 01:06:20,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=729, Invalid=2811, Unknown=0, NotChecked=0, Total=3540 [2020-07-20 01:06:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-07-20 01:06:20,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 882. [2020-07-20 01:06:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-07-20 01:06:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1019 transitions. [2020-07-20 01:06:20,865 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1019 transitions. Word has length 172 [2020-07-20 01:06:20,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:20,865 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1019 transitions. [2020-07-20 01:06:20,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:06:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1019 transitions. [2020-07-20 01:06:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-07-20 01:06:20,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:20,873 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:06:21,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:06:21,087 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:21,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:21,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1319050440, now seen corresponding path program 1 times [2020-07-20 01:06:21,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:21,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132379670] [2020-07-20 01:06:21,088 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:06:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,457 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 83 proven. 29 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2020-07-20 01:06:22,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132379670] [2020-07-20 01:06:22,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112829006] [2020-07-20 01:06:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a8390fa 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 01:06:22,803 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3a8390fa issued 3 check-sat command(s) [2020-07-20 01:06:22,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:22,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:06:22,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 230 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-07-20 01:06:23,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:23,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-20 01:06:23,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849162986] [2020-07-20 01:06:23,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-20 01:06:23,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:23,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-20 01:06:23,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:06:23,359 INFO L87 Difference]: Start difference. First operand 882 states and 1019 transitions. Second operand 24 states. [2020-07-20 01:06:24,292 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:25,114 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:25,862 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:26,585 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:27,163 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:27,673 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:27,941 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:28,257 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:28,531 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:31,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:31,784 INFO L93 Difference]: Finished difference Result 2111 states and 2754 transitions. [2020-07-20 01:06:31,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-20 01:06:31,785 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 303 [2020-07-20 01:06:31,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:31,793 INFO L225 Difference]: With dead ends: 2111 [2020-07-20 01:06:31,794 INFO L226 Difference]: Without dead ends: 1280 [2020-07-20 01:06:31,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-20 01:06:31,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-07-20 01:06:31,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 890. [2020-07-20 01:06:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-07-20 01:06:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1014 transitions. [2020-07-20 01:06:31,942 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1014 transitions. Word has length 303 [2020-07-20 01:06:31,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:31,943 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1014 transitions. [2020-07-20 01:06:31,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-20 01:06:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1014 transitions. [2020-07-20 01:06:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-20 01:06:31,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:31,947 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:32,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:32,154 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:32,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1797501864, now seen corresponding path program 1 times [2020-07-20 01:06:32,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:32,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465051389] [2020-07-20 01:06:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:06:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,508 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-07-20 01:06:32,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465051389] [2020-07-20 01:06:32,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202661517] [2020-07-20 01:06:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@16c97f32 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:33,445 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@16c97f32 issued 3 check-sat command(s) [2020-07-20 01:06:33,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:33,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:06:33,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 269 proven. 16 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-20 01:06:33,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:33,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:06:33,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249106801] [2020-07-20 01:06:33,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:06:33,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:33,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:06:33,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:06:33,671 INFO L87 Difference]: Start difference. First operand 890 states and 1014 transitions. Second operand 22 states. [2020-07-20 01:06:34,444 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:06:35,040 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:35,571 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:36,059 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:37,087 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:38,341 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:38,827 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:06:39,338 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:40,039 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:40,841 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:41,089 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:41,901 INFO L93 Difference]: Finished difference Result 1728 states and 2030 transitions. [2020-07-20 01:06:41,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:06:41,901 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-20 01:06:41,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:41,908 INFO L225 Difference]: With dead ends: 1728 [2020-07-20 01:06:41,908 INFO L226 Difference]: Without dead ends: 959 [2020-07-20 01:06:41,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:06:41,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-07-20 01:06:42,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 890. [2020-07-20 01:06:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-07-20 01:06:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1011 transitions. [2020-07-20 01:06:42,124 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1011 transitions. Word has length 319 [2020-07-20 01:06:42,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:42,125 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1011 transitions. [2020-07-20 01:06:42,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:06:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1011 transitions. [2020-07-20 01:06:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-20 01:06:42,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:42,130 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:06:42,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 01:06:42,343 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:42,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:42,343 INFO L82 PathProgramCache]: Analyzing trace with hash 905273735, now seen corresponding path program 1 times [2020-07-20 01:06:42,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:42,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36675007] [2020-07-20 01:06:42,344 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:06:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,638 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 87 proven. 7 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-07-20 01:06:43,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36675007] [2020-07-20 01:06:43,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941872691] [2020-07-20 01:06:43,042 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@744f89c3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:43,463 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@744f89c3 issued 4 check-sat command(s) [2020-07-20 01:06:43,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:43,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:06:43,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 197 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-07-20 01:06:43,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:43,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 20 [2020-07-20 01:06:43,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905887731] [2020-07-20 01:06:43,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:06:43,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:43,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:06:43,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:06:43,714 INFO L87 Difference]: Start difference. First operand 890 states and 1011 transitions. Second operand 20 states. [2020-07-20 01:06:44,611 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:45,396 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:45,732 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:46,183 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:47,715 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:48,101 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:48,412 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:48,709 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:49,086 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:49,380 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:51,399 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:51,701 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:51,980 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:52,249 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:52,751 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-20 01:06:53,026 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:53,524 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-20 01:06:53,825 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:54,957 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:55,276 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:55,570 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:55,882 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:56,172 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:56,456 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:56,982 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-20 01:06:57,284 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:57,752 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-20 01:06:58,045 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:02,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:02,946 INFO L93 Difference]: Finished difference Result 3523 states and 4452 transitions. [2020-07-20 01:07:02,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-07-20 01:07:02,947 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 320 [2020-07-20 01:07:02,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:02,962 INFO L225 Difference]: With dead ends: 3523 [2020-07-20 01:07:02,962 INFO L226 Difference]: Without dead ends: 2669 [2020-07-20 01:07:02,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 433 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3431 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1745, Invalid=8155, Unknown=0, NotChecked=0, Total=9900 [2020-07-20 01:07:02,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2669 states. [2020-07-20 01:07:03,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2669 to 2137. [2020-07-20 01:07:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2137 states. [2020-07-20 01:07:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 2395 transitions. [2020-07-20 01:07:03,416 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 2395 transitions. Word has length 320 [2020-07-20 01:07:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:03,416 INFO L479 AbstractCegarLoop]: Abstraction has 2137 states and 2395 transitions. [2020-07-20 01:07:03,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:07:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2395 transitions. [2020-07-20 01:07:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-07-20 01:07:03,424 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:03,425 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:03,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:03,638 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:03,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:03,638 INFO L82 PathProgramCache]: Analyzing trace with hash -619625522, now seen corresponding path program 1 times [2020-07-20 01:07:03,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:03,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161420073] [2020-07-20 01:07:03,639 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:07:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,982 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,621 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2020-07-20 01:07:04,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161420073] [2020-07-20 01:07:04,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519207686] [2020-07-20 01:07:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6891ee49 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:04,953 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6891ee49 issued 2 check-sat command(s) [2020-07-20 01:07:04,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:04,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 01:07:04,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2020-07-20 01:07:05,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:07:05,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-20 01:07:05,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694169297] [2020-07-20 01:07:05,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:07:05,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:05,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:07:05,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:05,191 INFO L87 Difference]: Start difference. First operand 2137 states and 2395 transitions. Second operand 8 states. [2020-07-20 01:07:05,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:05,785 INFO L93 Difference]: Finished difference Result 3982 states and 4479 transitions. [2020-07-20 01:07:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:07:05,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 393 [2020-07-20 01:07:05,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:05,796 INFO L225 Difference]: With dead ends: 3982 [2020-07-20 01:07:05,796 INFO L226 Difference]: Without dead ends: 2049 [2020-07-20 01:07:05,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 518 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:05,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2020-07-20 01:07:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2032. [2020-07-20 01:07:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2020-07-20 01:07:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2271 transitions. [2020-07-20 01:07:06,322 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2271 transitions. Word has length 393 [2020-07-20 01:07:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:06,323 INFO L479 AbstractCegarLoop]: Abstraction has 2032 states and 2271 transitions. [2020-07-20 01:07:06,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:07:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2271 transitions. [2020-07-20 01:07:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-07-20 01:07:06,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:06,332 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:07:06,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 01:07:06,548 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:06,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:06,549 INFO L82 PathProgramCache]: Analyzing trace with hash -690520788, now seen corresponding path program 1 times [2020-07-20 01:07:06,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:06,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871543836] [2020-07-20 01:07:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:07:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,849 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 123 proven. 26 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2020-07-20 01:07:07,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871543836] [2020-07-20 01:07:07,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577320386] [2020-07-20 01:07:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f328b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:07,693 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3f328b2f issued 3 check-sat command(s) [2020-07-20 01:07:07,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:07,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 01:07:07,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-07-20 01:07:07,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:07:07,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-20 01:07:07,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069568110] [2020-07-20 01:07:07,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:07:07,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:07,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:07:07,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:07,975 INFO L87 Difference]: Start difference. First operand 2032 states and 2271 transitions. Second operand 8 states. [2020-07-20 01:07:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:08,632 INFO L93 Difference]: Finished difference Result 3716 states and 4172 transitions. [2020-07-20 01:07:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:07:08,633 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 397 [2020-07-20 01:07:08,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:08,645 INFO L225 Difference]: With dead ends: 3716 [2020-07-20 01:07:08,646 INFO L226 Difference]: Without dead ends: 1888 [2020-07-20 01:07:08,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 524 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:07:08,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-07-20 01:07:09,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1888. [2020-07-20 01:07:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1888 states. [2020-07-20 01:07:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2110 transitions. [2020-07-20 01:07:09,131 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2110 transitions. Word has length 397 [2020-07-20 01:07:09,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:09,131 INFO L479 AbstractCegarLoop]: Abstraction has 1888 states and 2110 transitions. [2020-07-20 01:07:09,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:07:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2110 transitions. [2020-07-20 01:07:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-07-20 01:07:09,137 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:09,138 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:07:09,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:09,351 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:09,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:09,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1453056268, now seen corresponding path program 2 times [2020-07-20 01:07:09,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:09,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692953461] [2020-07-20 01:07:09,353 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fe19c18 [2020-07-20 01:07:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,794 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 170 proven. 26 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2020-07-20 01:07:10,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692953461] [2020-07-20 01:07:10,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409186116] [2020-07-20 01:07:10,243 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40b971c6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:10,781 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40b971c6 issued 4 check-sat command(s) [2020-07-20 01:07:10,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:10,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:07:10,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 329 proven. 12 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-07-20 01:07:11,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:11,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 27 [2020-07-20 01:07:11,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529219126] [2020-07-20 01:07:11,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-20 01:07:11,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:11,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-20 01:07:11,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:07:11,137 INFO L87 Difference]: Start difference. First operand 1888 states and 2110 transitions. Second operand 27 states. [2020-07-20 01:07:11,894 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:07:12,749 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:14,386 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:14,940 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:15,451 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:15,715 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:16,272 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:16,792 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:18,898 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:19,694 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:20,177 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:20,643 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:21,367 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:23,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:23,585 INFO L93 Difference]: Finished difference Result 3353 states and 3970 transitions. [2020-07-20 01:07:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-20 01:07:23,586 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 397 [2020-07-20 01:07:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:23,589 INFO L225 Difference]: With dead ends: 3353 [2020-07-20 01:07:23,589 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:07:23,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 545 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1393, Invalid=5249, Unknown=0, NotChecked=0, Total=6642 [2020-07-20 01:07:23,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:07:23,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:07:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:07:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:07:23,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 397 [2020-07-20 01:07:23,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:23,605 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:07:23,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-20 01:07:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:07:23,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:07:23,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-07-20 01:07:23,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:07:28,680 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 547 DAG size of output: 467 [2020-07-20 01:07:31,644 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-07-20 01:07:31,773 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-07-20 01:07:37,538 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 367 [2020-07-20 01:07:38,320 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 365 [2020-07-20 01:07:43,248 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 422 [2020-07-20 01:07:47,097 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 543 DAG size of output: 463 [2020-07-20 01:07:47,289 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-07-20 01:07:50,385 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 214 DAG size of output: 44 [2020-07-20 01:07:50,643 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-07-20 01:07:52,712 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 198 DAG size of output: 43 [2020-07-20 01:07:53,128 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-20 01:07:53,692 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-20 01:07:53,854 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-20 01:07:54,138 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-07-20 01:07:56,735 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 377 DAG size of output: 55 [2020-07-20 01:07:58,232 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 198 DAG size of output: 46 [2020-07-20 01:07:58,424 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:07:58,614 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:08:00,122 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 197 DAG size of output: 46 [2020-07-20 01:08:00,312 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:08:02,643 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 264 DAG size of output: 48 [2020-07-20 01:08:02,846 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:03,124 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-07-20 01:08:04,733 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 141 DAG size of output: 77 [2020-07-20 01:08:06,085 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 193 DAG size of output: 41 [2020-07-20 01:08:08,749 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 277 DAG size of output: 57 [2020-07-20 01:08:08,935 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:08:09,278 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 1 [2020-07-20 01:08:11,472 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 244 DAG size of output: 45 [2020-07-20 01:08:11,670 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-20 01:08:12,274 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-20 01:08:13,693 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 273 DAG size of output: 43 [2020-07-20 01:08:15,250 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 271 DAG size of output: 43 [2020-07-20 01:08:17,203 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 198 DAG size of output: 45 [2020-07-20 01:08:19,530 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 264 DAG size of output: 47 [2020-07-20 01:08:19,742 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:08:22,310 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 210 DAG size of output: 42 [2020-07-20 01:08:23,781 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 219 DAG size of output: 28 [2020-07-20 01:08:23,958 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-20 01:08:25,812 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 208 DAG size of output: 43 [2020-07-20 01:08:26,015 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:08:27,230 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 193 DAG size of output: 41 [2020-07-20 01:08:27,455 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:08:29,777 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 333 DAG size of output: 52 [2020-07-20 01:08:30,702 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-07-20 01:08:30,881 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-20 01:08:32,666 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 199 DAG size of output: 49 [2020-07-20 01:08:34,408 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 181 DAG size of output: 42 [2020-07-20 01:08:34,667 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-07-20 01:08:34,858 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:08:36,320 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 144 DAG size of output: 69 [2020-07-20 01:08:38,008 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 206 DAG size of output: 41 [2020-07-20 01:08:38,179 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-20 01:08:38,379 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-20 01:08:38,583 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-20 01:08:38,813 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-20 01:08:39,764 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 26 [2020-07-20 01:08:42,333 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 373 DAG size of output: 55 [2020-07-20 01:08:42,337 INFO L268 CegarLoopResult]: For program point L280(lines 280 284) no Hoare annotation was computed. [2020-07-20 01:08:42,337 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 284) no Hoare annotation was computed. [2020-07-20 01:08:42,337 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 01:08:42,337 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 249 304) no Hoare annotation was computed. [2020-07-20 01:08:42,337 INFO L268 CegarLoopResult]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point L296(lines 273 297) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 249 304) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 341) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 305 364) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-07-20 01:08:42,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2020-07-20 01:08:42,339 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2020-07-20 01:08:42,339 INFO L268 CegarLoopResult]: For program point L357(lines 330 358) no Hoare annotation was computed. [2020-07-20 01:08:42,339 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 679 685) the Hoare annotation is: true [2020-07-20 01:08:42,339 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 679 685) no Hoare annotation was computed. [2020-07-20 01:08:42,339 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 686 694) no Hoare annotation was computed. [2020-07-20 01:08:42,339 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 686 694) the Hoare annotation is: true [2020-07-20 01:08:42,339 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 686 694) no Hoare annotation was computed. [2020-07-20 01:08:42,339 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:42,339 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 01:08:42,340 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 01:08:42,340 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse11 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= ~waterLevel~0 2))) (.cse10 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse6 .cse5) (or .cse7 .cse8 .cse2 .cse3 .cse5) (or .cse0 .cse9 .cse2 .cse10 .cse3 .cse5) (or .cse9 .cse8 .cse2 .cse10 .cse3 .cse5) (or .cse1 .cse9 .cse8 .cse11 .cse2 .cse6 .cse5) (or .cse0 .cse1 .cse9 .cse11 .cse2 .cse6 .cse5) (or .cse9 .cse8 .cse2 .cse10 .cse6 .cse5) (or .cse0 .cse7 .cse2 .cse3 .cse5) (or .cse1 .cse8 .cse2 .cse3 .cse4 .cse5))) [2020-07-20 01:08:42,340 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 01:08:42,340 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 01:08:42,340 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 01:08:42,340 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 01:08:42,341 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse5 (not (<= 0 ~waterLevel~0))) (.cse7 (not (<= ~waterLevel~0 0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse3 .cse7 .cse4) (or .cse5 .cse6 .cse8 .cse9 .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse10 .cse6 .cse8 .cse9 .cse4) (or .cse0 .cse10 .cse3 .cse4) (or .cse10 .cse6 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse9 .cse4))) [2020-07-20 01:08:42,341 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 01:08:42,341 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 01:08:42,341 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 01:08:42,341 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse7 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse8 (not (= 1 ~waterLevel~0))) (.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse11 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse3 .cse7 .cse4) (or .cse5 .cse8 .cse9 .cse3 .cse4) (or .cse5 .cse0 .cse8 .cse3 .cse4) (or .cse5 .cse6 .cse9 .cse10 .cse11 .cse7 .cse4) (or .cse5 .cse6 .cse9 .cse3 .cse7 .cse4) (or .cse1 .cse9 .cse2 .cse3 .cse4) (or .cse5 .cse8 .cse9 .cse10 .cse11 .cse4) (or .cse1 .cse9 .cse2 .cse11 .cse4))) [2020-07-20 01:08:42,341 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 01:08:42,341 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 01:08:42,341 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 01:08:42,342 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 01:08:42,342 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 01:08:42,342 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:42,342 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~1) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:42,342 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-07-20 01:08:42,342 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~1) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:42,342 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-07-20 01:08:42,342 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-07-20 01:08:42,342 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 01:08:42,342 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:42,343 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:42,343 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 01:08:42,343 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse6) (or .cse7 .cse0 .cse9 .cse5 .cse6) (or .cse8 .cse9 .cse4 .cse6) (or .cse7 .cse10 .cse9 .cse6) (or .cse10 .cse9 .cse4 .cse6) (or .cse0 .cse9 .cse4 .cse5 .cse6) (or .cse8 .cse2 .cse1 .cse3 .cse4 .cse6))) [2020-07-20 01:08:42,344 INFO L268 CegarLoopResult]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2020-07-20 01:08:42,344 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse6 (not (<= 0 ~waterLevel~0))) (.cse7 (not (<= ~waterLevel~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse6 .cse0 .cse2 .cse7 .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse7 .cse3) (or .cse6 .cse8 .cse9 .cse1 .cse7 .cse3) (or .cse5 .cse4 .cse0 .cse2 .cse3) (or .cse5 (not (<= ~waterLevel~0 2)) .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse8 .cse9 .cse1 .cse3))) [2020-07-20 01:08:42,345 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse2 .cse7 .cse8 .cse3) (or .cse1 .cse2 .cse7 .cse3) (or .cse4 .cse9 .cse10 .cse7 .cse5 .cse3) (or .cse0 .cse6 .cse2 .cse8 .cse3) (or .cse4 .cse2 .cse7 .cse5 .cse3) (or .cse1 .cse9 .cse10 .cse7 .cse3))) [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-07-20 01:08:42,345 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse11 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse4 .cse9 .cse6) (or .cse10 .cse0 .cse8 .cse9 .cse5 .cse6) (or .cse11 .cse8 .cse4 .cse9 .cse6) (or .cse10 .cse11 .cse8 .cse9 .cse6) (or .cse10 .cse7 .cse8 .cse9 .cse6) (or .cse11 .cse2 .cse1 .cse3 .cse4 .cse6) (or .cse0 .cse8 .cse4 .cse9 .cse5 .cse6))) [2020-07-20 01:08:42,345 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse2 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point L750(lines 750 767) no Hoare annotation was computed. [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2020-07-20 01:08:42,345 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2020-07-20 01:08:42,345 INFO L268 CegarLoopResult]: For program point L857(lines 857 865) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point L869(lines 869 877) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 672 678) no Hoare annotation was computed. [2020-07-20 01:08:42,346 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 672 678) the Hoare annotation is: true [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 203 248) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 203 248) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 516 561) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 516 561) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-07-20 01:08:42,347 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-07-20 01:08:42,348 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:42,348 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2020-07-20 01:08:42,348 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2020-07-20 01:08:42,348 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2020-07-20 01:08:42,348 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-20 01:08:42,348 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 01:08:42,348 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 0 ~waterLevel~0)) .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4))) [2020-07-20 01:08:42,348 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2020-07-20 01:08:42,349 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2020-07-20 01:08:42,349 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-20 01:08:42,349 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-07-20 01:08:42,349 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-07-20 01:08:42,349 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-07-20 01:08:42,349 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse9 .cse10 .cse7 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse5 .cse8 .cse9 .cse10 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse2 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 01:08:42,349 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2020-07-20 01:08:42,349 INFO L268 CegarLoopResult]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2020-07-20 01:08:42,350 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse7 (not (= 2 ~waterLevel~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse4 .cse9 .cse6) (or .cse10 .cse0 .cse8 .cse9 .cse5 .cse6) (or .cse10 .cse11 .cse1 .cse2 .cse3 .cse6) (or .cse11 .cse8 .cse4 .cse9 .cse6) (or .cse10 .cse11 .cse8 .cse9 .cse6) (or .cse10 .cse7 .cse8 .cse9 .cse6) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse11 .cse2 .cse1 .cse3 .cse4 .cse6) (or .cse0 .cse8 .cse4 .cse9 .cse5 .cse6))) [2020-07-20 01:08:42,350 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~6))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse8 (not (<= 0 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse5) (or .cse6 .cse8 .cse7 .cse9 .cse5) (or .cse1 .cse7 .cse4 .cse5) (or .cse6 .cse10 .cse7 .cse5) (or .cse8 .cse0 .cse2 .cse3 .cse4 .cse9 .cse5) (or .cse6 .cse8 .cse2 .cse3 .cse9 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse10 .cse7 .cse4 .cse5) (or .cse8 .cse7 .cse4 .cse9 .cse5))) [2020-07-20 01:08:42,350 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse4 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse7 .cse2 .cse3) (or .cse0 .cse1 .cse8 .cse9 .cse10 .cse3) (or .cse4 .cse8 .cse9 .cse6 .cse5 .cse3) (or .cse0 .cse4 .cse8 .cse9 .cse10 .cse5 .cse3) (or .cse7 .cse2 .cse6 .cse3) (or .cse4 .cse2 .cse6 .cse5 .cse3) (or .cse1 .cse8 .cse9 .cse6 .cse3))) [2020-07-20 01:08:42,350 INFO L268 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-07-20 01:08:42,350 INFO L264 CegarLoopResult]: At program point L778(line 778) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse6) (or .cse7 .cse0 .cse9 .cse5 .cse6) (or .cse8 .cse9 .cse4 .cse6) (or .cse7 .cse8 .cse1 .cse2 .cse3 .cse6) (or .cse7 .cse10 .cse9 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse10 .cse9 .cse4 .cse6) (or .cse0 .cse9 .cse4 .cse5 .cse6) (or .cse8 .cse2 .cse1 .cse3 .cse4 .cse6))) [2020-07-20 01:08:42,351 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-20 01:08:42,351 INFO L268 CegarLoopResult]: For program point L776(lines 776 793) no Hoare annotation was computed. [2020-07-20 01:08:42,351 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2020-07-20 01:08:42,351 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2020-07-20 01:08:42,351 INFO L264 CegarLoopResult]: At program point L962-2(lines 954 967) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse7 (<= 0 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= 1 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse7 .cse9 .cse10 .cse3) (and .cse5 .cse0 .cse10 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse10 .cse3) (and .cse5 .cse0 .cse10 .cse11 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse6 .cse5 .cse0 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse9 .cse10 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse10 .cse11 .cse3))) [2020-07-20 01:08:42,351 INFO L264 CegarLoopResult]: At program point testENTRY(lines 914 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:42,351 INFO L268 CegarLoopResult]: For program point L925(lines 924 971) no Hoare annotation was computed. [2020-07-20 01:08:42,352 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse7 (<= 0 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= 1 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse7 .cse9 .cse10 .cse3) (and .cse5 .cse0 .cse10 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse10 .cse3) (and .cse5 .cse0 .cse10 .cse11 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse6 .cse5 .cse0 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse9 .cse10 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse10 .cse11 .cse3))) [2020-07-20 01:08:42,352 INFO L268 CegarLoopResult]: For program point L954(lines 954 967) no Hoare annotation was computed. [2020-07-20 01:08:42,352 INFO L268 CegarLoopResult]: For program point testFINAL(lines 914 979) no Hoare annotation was computed. [2020-07-20 01:08:42,352 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 0 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse2 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse8 (<= ~waterLevel~0 2) .cse4 .cse6) (and .cse0 .cse1 .cse8 .cse9 .cse2 .cse4) (and .cse1 .cse5 .cse8 .cse9 .cse2 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse5 .cse2 .cse7 .cse4))) [2020-07-20 01:08:42,352 INFO L268 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2020-07-20 01:08:42,352 INFO L268 CegarLoopResult]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2020-07-20 01:08:42,353 INFO L264 CegarLoopResult]: At program point L969(lines 924 971) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse4) (and .cse1 .cse8 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse5 .cse2 .cse6 .cse4))) [2020-07-20 01:08:42,353 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse5 .cse2 .cse6 .cse4))) [2020-07-20 01:08:42,353 INFO L268 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-07-20 01:08:42,353 INFO L268 CegarLoopResult]: For program point L934-1(lines 934 940) no Hoare annotation was computed. [2020-07-20 01:08:42,353 INFO L268 CegarLoopResult]: For program point L926(lines 926 930) no Hoare annotation was computed. [2020-07-20 01:08:42,353 INFO L264 CegarLoopResult]: At program point L972(lines 923 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:42,353 INFO L268 CegarLoopResult]: For program point testEXIT(lines 914 979) no Hoare annotation was computed. [2020-07-20 01:08:42,353 INFO L268 CegarLoopResult]: For program point L962(lines 962 966) no Hoare annotation was computed. [2020-07-20 01:08:42,353 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 470 515) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 470 515) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point L490(lines 490 497) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point L484(lines 484 504) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 797 804) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2020-07-20 01:08:42,354 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point L417(lines 416 436) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 367 469) no Hoare annotation was computed. [2020-07-20 01:08:42,355 INFO L268 CegarLoopResult]: For program point L413(lines 413 454) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L455(lines 455 466) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L437(lines 415 438) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2020-07-20 01:08:42,356 INFO L268 CegarLoopResult]: For program point L396(lines 396 412) no Hoare annotation was computed. [2020-07-20 01:08:42,357 INFO L268 CegarLoopResult]: For program point L456(lines 456 463) no Hoare annotation was computed. [2020-07-20 01:08:42,357 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 662 671) no Hoare annotation was computed. [2020-07-20 01:08:42,357 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 662 671) no Hoare annotation was computed. [2020-07-20 01:08:42,357 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 662 671) no Hoare annotation was computed. [2020-07-20 01:08:42,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,357 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:08:42,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,358 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 01:08:42,358 INFO L268 CegarLoopResult]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2020-07-20 01:08:42,358 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-07-20 01:08:42,358 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2020-07-20 01:08:42,358 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:08:42,358 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-20 01:08:42,358 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 805 821) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:08:42,359 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 637 645) the Hoare annotation is: true [2020-07-20 01:08:42,359 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-07-20 01:08:42,359 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-07-20 01:08:42,359 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2020-07-20 01:08:42,359 INFO L268 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2020-07-20 01:08:42,359 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-20 01:08:42,359 INFO L268 CegarLoopResult]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2020-07-20 01:08:42,359 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-20 01:08:42,360 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2020-07-20 01:08:42,360 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2020-07-20 01:08:42,360 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse9 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse10 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse11 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse5) (or .cse8 .cse9 .cse4 .cse10 .cse5) (or .cse0 .cse6 .cse2 .cse4 .cse11 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or .cse8 .cse9 .cse2 .cse4 .cse5) (or .cse9 .cse1 .cse3 .cse4 .cse10 .cse5) (or .cse6 .cse9 .cse4 .cse10 .cse11 .cse5))) [2020-07-20 01:08:42,360 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-20 01:08:42,360 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-20 01:08:42,360 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,360 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,360 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,361 INFO L264 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: (let ((.cse18 (= 0 ~pumpRunning~0)) (.cse15 (not (= 1 |old(~waterLevel~0)|))) (.cse20 (= 1 ~waterLevel~0)) (.cse21 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse22 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and .cse21 .cse22 .cse19)) (.cse17 (not (= 2 |old(~waterLevel~0)|))) (.cse9 (and .cse21 .cse22 .cse20)) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (and .cse21 .cse22 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse12 (and (not (< 1 |old(~waterLevel~0)|)) .cse15)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (and .cse18 .cse20)) (.cse16 (and .cse18 .cse19)) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse14 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse4 .cse8 .cse9 .cse6) (or .cse0 .cse10 .cse11 .cse1 .cse12 .cse4 .cse6) (or .cse13 .cse14 .cse3 .cse15 .cse6) (or .cse16 .cse14 .cse2 .cse3 .cse6 .cse7) (or .cse16 .cse17 .cse14 .cse3 .cse6) (or .cse0 .cse11 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (or .cse11 .cse1 .cse17 .cse9 .cse6) (or .cse0 .cse10 .cse1 .cse3 .cse12 .cse4 .cse6) (or .cse16 .cse11 .cse14 .cse4 .cse8 .cse6) (or .cse11 .cse13 .cse14 .cse15 .cse6) (or .cse16 .cse11 .cse14 .cse2 .cse6 .cse7)))) [2020-07-20 01:08:42,361 INFO L264 CegarLoopResult]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse21 (not (= 1 |old(~waterLevel~0)|))) (.cse11 (= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse25 (= 1 ~systemActive~0))) (let ((.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse19 (<= 0 ~waterLevel~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse22 (not (= 2 |old(~waterLevel~0)|))) (.cse24 (and .cse6 (= 2 ~waterLevel~0) .cse13 .cse7 .cse25)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse16 (and .cse13 .cse11)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse18 (and (not (< 1 |old(~waterLevel~0)|)) .cse21)) (.cse23 (and .cse13 .cse7)) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse17 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not .cse25)) (.cse9 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse1 .cse3 .cse4 .cse10 (and .cse5 .cse6 .cse11) .cse8) (or .cse0 .cse12 .cse1 .cse2 .cse4 .cse8 (and .cse13 .cse14 .cse7) .cse9) (or .cse15 .cse12 .cse16 .cse17 .cse18 .cse8) (or .cse0 (and .cse19 .cse13 .cse14 .cse20) .cse12 .cse1 .cse21 .cse8) (or .cse12 .cse1 .cse22 (and .cse13 .cse14 .cse11) .cse8) (or .cse23 .cse17 .cse2 .cse3 .cse8 .cse9) (or .cse0 (and .cse5 .cse6 .cse19 .cse20) .cse1 .cse3 .cse18 .cse4 .cse8) (or (and .cse7 (<= 1 ~pumpRunning~0)) .cse17 .cse3 .cse24 .cse4 .cse10 .cse8) (or .cse12 .cse22 .cse17 .cse24 .cse8) (or .cse15 .cse16 .cse17 .cse3 .cse18 .cse8) (or .cse23 .cse12 .cse17 .cse2 .cse8 .cse9)))) [2020-07-20 01:08:42,361 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (let ((.cse8 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 0))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (and (not (< 1 |old(~waterLevel~0)|)) .cse8) .cse2 .cse5) (or .cse6 .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse3 .cse5) (or .cse9 .cse6 .cse0 .cse2 .cse3 .cse5 .cse10) (or .cse7 .cse1 .cse8 .cse5) (or .cse7 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse11 .cse5 .cse10) (or .cse7 .cse11 .cse1 .cse5 .cse10) (or .cse9 .cse0 .cse1 .cse2 .cse3 .cse5 .cse10))) [2020-07-20 01:08:42,362 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 711 737) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse11 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and (= 0 ~pumpRunning~0) .cse1 .cse15)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (not (= 1 |old(~waterLevel~0)|))) (.cse13 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse0 .cse1 .cse15)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 0 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= 2 ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse2 (not (= 2 |old(~waterLevel~0)|)) .cse8 .cse6) (or .cse9 .cse10 .cse11 .cse3 .cse6 .cse12) (or .cse7 .cse9 .cse10 .cse11 .cse6 .cse12) (or .cse13 .cse7 .cse2 .cse8 .cse4 .cse6 .cse12) (or .cse7 .cse9 .cse10 .cse4 .cse5 .cse6) (or .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (or .cse9 .cse10 .cse3 .cse14 .cse6) (or .cse7 .cse9 .cse10 .cse14 .cse6) (or .cse13 .cse2 .cse8 .cse3 .cse4 .cse6 .cse12)))) [2020-07-20 01:08:42,362 INFO L268 CegarLoopResult]: For program point L718(lines 714 736) no Hoare annotation was computed. [2020-07-20 01:08:42,362 INFO L268 CegarLoopResult]: For program point L716(lines 714 736) no Hoare annotation was computed. [2020-07-20 01:08:42,362 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 711 737) no Hoare annotation was computed. [2020-07-20 01:08:42,362 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 711 737) no Hoare annotation was computed. [2020-07-20 01:08:42,362 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-07-20 01:08:42,362 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-07-20 01:08:42,363 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-07-20 01:08:42,363 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 01:08:42,363 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-07-20 01:08:42,363 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-07-20 01:08:42,363 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-20 01:08:42,363 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-07-20 01:08:42,363 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-07-20 01:08:42,363 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-07-20 01:08:42,363 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-07-20 01:08:42,363 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-07-20 01:08:42,364 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-07-20 01:08:42,364 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 0 |old(~waterLevel~0)|)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-20 01:08:42,364 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-07-20 01:08:42,364 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-07-20 01:08:42,364 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-07-20 01:08:42,364 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-07-20 01:08:42,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,364 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:08:42,365 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:08:42,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:42,365 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 905 912) no Hoare annotation was computed. [2020-07-20 01:08:42,365 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 905 912) the Hoare annotation is: (let ((.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse3 (not (= 1 |old(~systemActive~0)|))) (.cse9 (not (= 0 ~pumpRunning~0))) (.cse11 (not (<= ~waterLevel~0 0))) (.cse6 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse3 .cse8 .cse9 .cse6) (or .cse10 .cse2 .cse3 .cse9 .cse6) (or (= |old(~systemActive~0)| ~systemActive~0) .cse1 .cse2 .cse3 .cse8 .cse5) (or .cse7 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse10 .cse3 .cse9 .cse6) (or .cse1 .cse2 .cse3 .cse8 .cse9 .cse6) (or .cse0 .cse2 .cse3 .cse9 .cse6 .cse11) (or .cse7 (not (= 2 ~waterLevel~0)) .cse3 .cse5 .cse6) (or .cse7 .cse0 .cse3 .cse9 .cse11 .cse6))) [2020-07-20 01:08:42,365 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 905 912) no Hoare annotation was computed. [2020-07-20 01:08:42,365 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-20 01:08:42,365 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-20 01:08:42,366 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 0 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 0)) .cse6 .cse7 .cse2 .cse8 .cse4 .cse5) (or .cse6 .cse9 .cse2 .cse3 .cse10 .cse4) (or .cse6 .cse7 .cse2 .cse8 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse9 .cse2 .cse3 .cse10 .cse4) (or .cse6 (= 2 ~waterLevel~0) .cse9 .cse8 .cse10 .cse4))) [2020-07-20 01:08:42,366 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 696 703) no Hoare annotation was computed. [2020-07-20 01:08:42,366 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2020-07-20 01:08:42,366 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 696 703) the Hoare annotation is: true [2020-07-20 01:08:42,366 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 696 703) no Hoare annotation was computed. [2020-07-20 01:08:42,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:08:42 BoogieIcfgContainer [2020-07-20 01:08:42,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:08:42,387 INFO L168 Benchmark]: Toolchain (without parser) took 185775.37 ms. Allocated memory was 138.4 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 102.2 MB in the beginning and 228.1 MB in the end (delta: -125.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-20 01:08:42,388 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:08:42,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.34 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 171.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:42,388 INFO L168 Benchmark]: Boogie Preprocessor took 84.17 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:42,389 INFO L168 Benchmark]: RCFGBuilder took 1131.43 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 196.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:42,389 INFO L168 Benchmark]: TraceAbstraction took 183840.06 ms. Allocated memory was 235.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 195.0 MB in the beginning and 228.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-20 01:08:42,391 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 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.34 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 171.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.17 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1131.43 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 196.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 183840.06 ms. Allocated memory was 235.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 195.0 MB in the beginning and 228.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: 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: 924]: Loop Invariant Derived loop invariant: ((((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) || ((((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 105.2s, OverallIterations: 16, TraceHistogramMax: 9, AutomataDifference: 85.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 78.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3015 SDtfs, 8761 SDslu, 6640 SDs, 0 SdLazy, 23965 SolverSat, 7067 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3927 GetRequests, 3404 SyntacticMatches, 20 SemanticMatches, 503 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8350 ImplicationChecksByTransitivity, 45.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2137occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 1556 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4710 PreInvPairs, 5145 NumberOfFragments, 6190 HoareAnnotationTreeSize, 4710 FomulaSimplifications, 8380266595 FormulaSimplificationTreeSizeReduction, 23.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 24061118 FormulaSimplificationTreeSizeReductionInter, 54.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 5392 NumberOfCodeBlocks, 4946 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 5369 ConstructedInterpolants, 0 QuantifiedInterpolants, 3140544 SizeOfPredicates, 28 NumberOfNonLiveVariables, 8618 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 5577/5821 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...