/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:59:07,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:59:07,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:59:07,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:59:07,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:59:07,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:59:07,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:59:07,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:59:07,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:59:07,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:59:07,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:59:07,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:59:07,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:59:07,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:59:07,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:59:07,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:59:07,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:59:07,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:59:07,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:59:07,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:59:07,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:59:07,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:59:07,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:59:07,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:59:07,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:59:07,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:59:07,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:59:07,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:59:07,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:59:07,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:59:07,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:59:07,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:59:07,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:59:07,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:59:07,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:59:07,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:59:07,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:59:07,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:59:07,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:59:07,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:59:07,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:59:07,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:59:07,692 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:59:07,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:59:07,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:59:07,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:59:07,694 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:59:07,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:59:07,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:59:07,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:59:07,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:59:07,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:59:07,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:59:07,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:59:07,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:59:07,696 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:59:07,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:59:07,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:59:07,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:59:07,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:59:07,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:59:07,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:59:07,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:59:07,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:59:07,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:59:07,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:59:07,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:59:07,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:59:07,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:59:07,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:59:07,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:59:07,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:59:07,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:59:07,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:59:07,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:59:07,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:59:08,000 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:59:08,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-07-19 22:59:08,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf60d29d/5af2931b28374355b376902462008402/FLAGfb905ed35 [2020-07-19 22:59:08,724 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:59:08,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-07-19 22:59:08,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf60d29d/5af2931b28374355b376902462008402/FLAGfb905ed35 [2020-07-19 22:59:08,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf60d29d/5af2931b28374355b376902462008402 [2020-07-19 22:59:08,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:59:08,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:59:08,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:08,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:59:08,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:59:08,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:08" (1/1) ... [2020-07-19 22:59:08,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a91fca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:08, skipping insertion in model container [2020-07-19 22:59:08,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:08" (1/1) ... [2020-07-19 22:59:09,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:59:09,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:59:09,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:09,563 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:59:09,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:09,739 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:59:09,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09 WrapperNode [2020-07-19 22:59:09,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:09,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:59:09,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:59:09,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:59:09,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... [2020-07-19 22:59:09,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:59:09,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:59:09,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:59:09,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:59:09,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:59:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:59:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:59:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:59:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:59:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:59:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:59:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:59:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:59:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:59:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:59:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:59:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:59:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:59:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:59:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:59:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:59:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:59:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:59:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:59:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:59:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:59:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:59:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:59:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:59:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:59:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:59:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:59:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:59:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:59:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:59:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:59:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:59:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:59:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:59:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:59:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:59:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:59:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:59:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:59:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:59:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:59:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:59:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:59:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:59:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:59:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:59:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:59:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:59:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:59:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:59:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:59:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:59:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:59:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:59:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:59:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:59:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:59:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:59:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:59:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:59:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:59:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:59:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:59:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:59:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:59:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:59:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:59:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:59:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:59:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:59:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:59:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:59:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:59:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:59:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:59:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:59:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:59:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:59:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:59:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:59:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:59:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:59:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:59:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:59:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:59:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:59:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:59:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:59:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:59:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:59:10,978 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:59:10,979 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:59:10,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:10 BoogieIcfgContainer [2020-07-19 22:59:10,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:59:10,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:59:10,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:59:10,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:59:10,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:59:08" (1/3) ... [2020-07-19 22:59:10,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa6c5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:10, skipping insertion in model container [2020-07-19 22:59:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:09" (2/3) ... [2020-07-19 22:59:10,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa6c5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:10, skipping insertion in model container [2020-07-19 22:59:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:10" (3/3) ... [2020-07-19 22:59:10,994 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-07-19 22:59:11,006 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:59:11,016 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:59:11,033 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:59:11,060 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:59:11,060 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:59:11,060 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:59:11,060 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:59:11,061 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:59:11,061 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:59:11,061 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:59:11,061 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:59:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-19 22:59:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:59:11,098 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:11,099 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] [2020-07-19 22:59:11,100 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:11,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:11,107 INFO L82 PathProgramCache]: Analyzing trace with hash -748532366, now seen corresponding path program 1 times [2020-07-19 22:59:11,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:11,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745237836] [2020-07-19 22:59:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,802 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:11,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745237836] [2020-07-19 22:59:11,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:11,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:59:11,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028535263] [2020-07-19 22:59:11,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:59:11,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:11,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:59:11,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:59:11,946 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2020-07-19 22:59:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:13,094 INFO L93 Difference]: Finished difference Result 357 states and 456 transitions. [2020-07-19 22:59:13,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:59:13,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:59:13,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:13,111 INFO L225 Difference]: With dead ends: 357 [2020-07-19 22:59:13,112 INFO L226 Difference]: Without dead ends: 195 [2020-07-19 22:59:13,117 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 [2020-07-19 22:59:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-19 22:59:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2020-07-19 22:59:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-19 22:59:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-07-19 22:59:13,239 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 59 [2020-07-19 22:59:13,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:13,239 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-07-19 22:59:13,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:59:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-19 22:59:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 22:59:13,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:13,245 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] [2020-07-19 22:59:13,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:59:13,245 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:13,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:13,246 INFO L82 PathProgramCache]: Analyzing trace with hash -733015768, now seen corresponding path program 1 times [2020-07-19 22:59:13,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:13,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198357357] [2020-07-19 22:59:13,247 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,611 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:13,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198357357] [2020-07-19 22:59:13,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:13,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:13,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74312992] [2020-07-19 22:59:13,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:13,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:13,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:13,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:13,705 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 9 states. [2020-07-19 22:59:14,111 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:14,431 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:14,713 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:14,950 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:16,521 INFO L93 Difference]: Finished difference Result 330 states and 411 transitions. [2020-07-19 22:59:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:59:16,522 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 22:59:16,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:16,526 INFO L225 Difference]: With dead ends: 330 [2020-07-19 22:59:16,526 INFO L226 Difference]: Without dead ends: 195 [2020-07-19 22:59:16,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:59:16,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-19 22:59:16,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2020-07-19 22:59:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-19 22:59:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2020-07-19 22:59:16,581 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 64 [2020-07-19 22:59:16,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:16,581 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2020-07-19 22:59:16,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2020-07-19 22:59:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-19 22:59:16,584 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:16,585 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] [2020-07-19 22:59:16,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:59:16,585 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:16,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1142393912, now seen corresponding path program 1 times [2020-07-19 22:59:16,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:16,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953097643] [2020-07-19 22:59:16,587 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,903 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:16,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953097643] [2020-07-19 22:59:16,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:16,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:59:16,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652275157] [2020-07-19 22:59:16,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:59:16,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:16,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:59:16,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:59:16,994 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand 6 states. [2020-07-19 22:59:17,496 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:18,682 INFO L93 Difference]: Finished difference Result 317 states and 394 transitions. [2020-07-19 22:59:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:59:18,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-07-19 22:59:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:18,685 INFO L225 Difference]: With dead ends: 317 [2020-07-19 22:59:18,686 INFO L226 Difference]: Without dead ends: 200 [2020-07-19 22:59:18,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:59:18,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-19 22:59:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 154. [2020-07-19 22:59:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-19 22:59:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2020-07-19 22:59:18,720 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 78 [2020-07-19 22:59:18,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:18,721 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2020-07-19 22:59:18,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:59:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2020-07-19 22:59:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-19 22:59:18,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:18,723 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:18,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:59:18,724 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:18,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:18,724 INFO L82 PathProgramCache]: Analyzing trace with hash 330531379, now seen corresponding path program 1 times [2020-07-19 22:59:18,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:18,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589151718] [2020-07-19 22:59:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,018 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:19,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589151718] [2020-07-19 22:59:19,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:19,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:59:19,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379716079] [2020-07-19 22:59:19,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:59:19,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:19,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:59:19,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:59:19,128 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 7 states. [2020-07-19 22:59:19,487 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:20,919 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:21,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:21,495 INFO L93 Difference]: Finished difference Result 424 states and 525 transitions. [2020-07-19 22:59:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:59:21,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-07-19 22:59:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:21,501 INFO L225 Difference]: With dead ends: 424 [2020-07-19 22:59:21,501 INFO L226 Difference]: Without dead ends: 298 [2020-07-19 22:59:21,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:59:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-19 22:59:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 255. [2020-07-19 22:59:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-19 22:59:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2020-07-19 22:59:21,558 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 82 [2020-07-19 22:59:21,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:21,558 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2020-07-19 22:59:21,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:59:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2020-07-19 22:59:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-19 22:59:21,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:21,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:21,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:59:21,561 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:21,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:21,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1154984362, now seen corresponding path program 1 times [2020-07-19 22:59:21,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:21,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759998423] [2020-07-19 22:59:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,883 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:59:22,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759998423] [2020-07-19 22:59:22,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:22,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:22,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326640096] [2020-07-19 22:59:22,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:22,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:22,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:22,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:22,024 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand 9 states. [2020-07-19 22:59:22,443 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:23,053 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:23,947 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:24,218 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:24,643 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:24,881 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:25,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:25,583 INFO L93 Difference]: Finished difference Result 524 states and 626 transitions. [2020-07-19 22:59:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:59:25,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-07-19 22:59:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:25,587 INFO L225 Difference]: With dead ends: 524 [2020-07-19 22:59:25,587 INFO L226 Difference]: Without dead ends: 297 [2020-07-19 22:59:25,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:59:25,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-19 22:59:25,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 254. [2020-07-19 22:59:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-07-19 22:59:25,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 287 transitions. [2020-07-19 22:59:25,650 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 287 transitions. Word has length 96 [2020-07-19 22:59:25,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:25,651 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 287 transitions. [2020-07-19 22:59:25,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 287 transitions. [2020-07-19 22:59:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-19 22:59:25,653 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:25,653 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] [2020-07-19 22:59:25,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:59:25,653 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:25,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:25,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1590195415, now seen corresponding path program 1 times [2020-07-19 22:59:25,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:25,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802340] [2020-07-19 22:59:25,655 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,929 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:26,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802340] [2020-07-19 22:59:26,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:26,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:26,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321630231] [2020-07-19 22:59:26,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:26,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:26,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:26,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:26,119 INFO L87 Difference]: Start difference. First operand 254 states and 287 transitions. Second operand 9 states. [2020-07-19 22:59:27,016 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:27,254 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:27,487 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:27,739 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:28,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:28,651 INFO L93 Difference]: Finished difference Result 524 states and 631 transitions. [2020-07-19 22:59:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:59:28,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-07-19 22:59:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:28,661 INFO L225 Difference]: With dead ends: 524 [2020-07-19 22:59:28,662 INFO L226 Difference]: Without dead ends: 298 [2020-07-19 22:59:28,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:59:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-19 22:59:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 259. [2020-07-19 22:59:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-07-19 22:59:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 292 transitions. [2020-07-19 22:59:28,733 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 292 transitions. Word has length 112 [2020-07-19 22:59:28,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:28,736 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 292 transitions. [2020-07-19 22:59:28,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 292 transitions. [2020-07-19 22:59:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-19 22:59:28,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:28,739 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] [2020-07-19 22:59:28,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:59:28,739 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:28,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:28,739 INFO L82 PathProgramCache]: Analyzing trace with hash -765609835, now seen corresponding path program 1 times [2020-07-19 22:59:28,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:28,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528861760] [2020-07-19 22:59:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,000 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:29,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528861760] [2020-07-19 22:59:29,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:29,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:59:29,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410931765] [2020-07-19 22:59:29,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:59:29,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:29,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:59:29,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:59:29,227 INFO L87 Difference]: Start difference. First operand 259 states and 292 transitions. Second operand 11 states. [2020-07-19 22:59:30,264 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:30,503 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:30,729 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:31,439 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:31,702 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:31,954 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:33,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:33,084 INFO L93 Difference]: Finished difference Result 534 states and 642 transitions. [2020-07-19 22:59:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:59:33,084 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-07-19 22:59:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:33,087 INFO L225 Difference]: With dead ends: 534 [2020-07-19 22:59:33,087 INFO L226 Difference]: Without dead ends: 303 [2020-07-19 22:59:33,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:59:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-07-19 22:59:33,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 263. [2020-07-19 22:59:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-07-19 22:59:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 296 transitions. [2020-07-19 22:59:33,135 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 296 transitions. Word has length 112 [2020-07-19 22:59:33,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:33,135 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 296 transitions. [2020-07-19 22:59:33,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:59:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 296 transitions. [2020-07-19 22:59:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-19 22:59:33,140 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:33,140 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] [2020-07-19 22:59:33,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:59:33,146 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:33,146 INFO L82 PathProgramCache]: Analyzing trace with hash 3560180, now seen corresponding path program 1 times [2020-07-19 22:59:33,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:33,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413909319] [2020-07-19 22:59:33,147 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,469 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:33,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413909319] [2020-07-19 22:59:33,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:33,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:59:33,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827841209] [2020-07-19 22:59:33,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:59:33,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:33,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:59:33,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:59:33,696 INFO L87 Difference]: Start difference. First operand 263 states and 296 transitions. Second operand 7 states. [2020-07-19 22:59:34,191 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:34,931 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:36,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:36,879 INFO L93 Difference]: Finished difference Result 713 states and 879 transitions. [2020-07-19 22:59:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:59:36,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-07-19 22:59:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:36,884 INFO L225 Difference]: With dead ends: 713 [2020-07-19 22:59:36,884 INFO L226 Difference]: Without dead ends: 478 [2020-07-19 22:59:36,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:59:36,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-07-19 22:59:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 440. [2020-07-19 22:59:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-07-19 22:59:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 512 transitions. [2020-07-19 22:59:36,964 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 512 transitions. Word has length 112 [2020-07-19 22:59:36,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:36,964 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 512 transitions. [2020-07-19 22:59:36,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:59:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 512 transitions. [2020-07-19 22:59:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-19 22:59:36,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:36,966 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, 1, 1, 1, 1] [2020-07-19 22:59:36,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:59:36,967 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:36,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:36,967 INFO L82 PathProgramCache]: Analyzing trace with hash -427651474, now seen corresponding path program 1 times [2020-07-19 22:59:36,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:36,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634681074] [2020-07-19 22:59:36,968 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,371 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:37,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634681074] [2020-07-19 22:59:37,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:37,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:59:37,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075868267] [2020-07-19 22:59:37,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:59:37,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:37,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:59:37,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:59:37,568 INFO L87 Difference]: Start difference. First operand 440 states and 512 transitions. Second operand 12 states. [2020-07-19 22:59:38,122 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:38,745 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:39,819 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:40,159 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:40,434 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:40,723 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:41,026 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:42,588 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:42,943 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:43,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:43,880 INFO L93 Difference]: Finished difference Result 1217 states and 1501 transitions. [2020-07-19 22:59:43,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:59:43,881 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-07-19 22:59:43,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:43,893 INFO L225 Difference]: With dead ends: 1217 [2020-07-19 22:59:43,893 INFO L226 Difference]: Without dead ends: 880 [2020-07-19 22:59:43,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:59:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-19 22:59:44,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 767. [2020-07-19 22:59:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-07-19 22:59:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 883 transitions. [2020-07-19 22:59:44,035 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 883 transitions. Word has length 116 [2020-07-19 22:59:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:44,036 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 883 transitions. [2020-07-19 22:59:44,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:59:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 883 transitions. [2020-07-19 22:59:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-19 22:59:44,039 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:44,039 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:44,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:59:44,040 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:44,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:44,040 INFO L82 PathProgramCache]: Analyzing trace with hash -701597495, now seen corresponding path program 1 times [2020-07-19 22:59:44,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:44,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065274067] [2020-07-19 22:59:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,394 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-19 22:59:44,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065274067] [2020-07-19 22:59:44,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074704044] [2020-07-19 22:59:44,747 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdfa78c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:59:45,296 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdfa78c issued 4 check-sat command(s) [2020-07-19 22:59:45,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:45,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:59:45,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:59:45,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:45,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:59:45,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228993720] [2020-07-19 22:59:45,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:59:45,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:45,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:59:45,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:59:45,517 INFO L87 Difference]: Start difference. First operand 767 states and 883 transitions. Second operand 20 states. [2020-07-19 22:59:46,106 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:46,439 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:59:46,699 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:59:46,915 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:59:47,471 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:47,745 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:48,601 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:49,179 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:49,606 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:50,228 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:59:50,752 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:59:51,084 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:51,624 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:52,023 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:52,643 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:53,204 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:59:53,925 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:59:54,468 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:55,122 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:59:55,649 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:59:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:55,886 INFO L93 Difference]: Finished difference Result 1660 states and 1974 transitions. [2020-07-19 22:59:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-19 22:59:55,886 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 193 [2020-07-19 22:59:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:55,892 INFO L225 Difference]: With dead ends: 1660 [2020-07-19 22:59:55,893 INFO L226 Difference]: Without dead ends: 992 [2020-07-19 22:59:55,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=729, Invalid=2811, Unknown=0, NotChecked=0, Total=3540 [2020-07-19 22:59:55,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2020-07-19 22:59:56,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 897. [2020-07-19 22:59:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-07-19 22:59:56,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1042 transitions. [2020-07-19 22:59:56,069 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1042 transitions. Word has length 193 [2020-07-19 22:59:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:56,070 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1042 transitions. [2020-07-19 22:59:56,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:59:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1042 transitions. [2020-07-19 22:59:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-07-19 22:59:56,078 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:56,079 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:56,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:59:56,295 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:56,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:56,296 INFO L82 PathProgramCache]: Analyzing trace with hash 847461301, now seen corresponding path program 1 times [2020-07-19 22:59:56,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:56,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563906537] [2020-07-19 22:59:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 22:59:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,626 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 76 proven. 7 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-07-19 22:59:57,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563906537] [2020-07-19 22:59:57,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721440495] [2020-07-19 22:59:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639c5493 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 [2020-07-19 22:59:57,793 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@639c5493 issued 3 check-sat command(s) [2020-07-19 22:59:57,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:57,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 22:59:57,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:58,163 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 235 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-07-19 22:59:58,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:58,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-07-19 22:59:58,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634174718] [2020-07-19 22:59:58,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 22:59:58,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:58,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 22:59:58,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:59:58,170 INFO L87 Difference]: Start difference. First operand 897 states and 1042 transitions. Second operand 24 states. [2020-07-19 22:59:58,810 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:59,670 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:59,983 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:00,367 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:01,364 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:01,775 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:02,743 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:03,165 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:03,555 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:03,868 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:04,156 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:04,562 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:04,869 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:05,167 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:05,492 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:05,781 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:06,071 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:06,495 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:06,839 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:07,149 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:07,461 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:07,744 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:08,176 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:08,546 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:10,958 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:11,258 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:11,536 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 23:00:11,807 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:12,317 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 23:00:12,618 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:13,091 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 23:00:13,356 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 23:00:18,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:18,934 INFO L93 Difference]: Finished difference Result 3329 states and 4541 transitions. [2020-07-19 23:00:18,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-19 23:00:18,939 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 327 [2020-07-19 23:00:18,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:18,953 INFO L225 Difference]: With dead ends: 3329 [2020-07-19 23:00:18,954 INFO L226 Difference]: Without dead ends: 2468 [2020-07-19 23:00:18,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 448 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3915 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1733, Invalid=9609, Unknown=0, NotChecked=0, Total=11342 [2020-07-19 23:00:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2020-07-19 23:00:19,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 1773. [2020-07-19 23:00:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-07-19 23:00:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2006 transitions. [2020-07-19 23:00:19,362 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2006 transitions. Word has length 327 [2020-07-19 23:00:19,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:19,362 INFO L479 AbstractCegarLoop]: Abstraction has 1773 states and 2006 transitions. [2020-07-19 23:00:19,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 23:00:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2006 transitions. [2020-07-19 23:00:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-07-19 23:00:19,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:19,374 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, 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, 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] [2020-07-19 23:00:19,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:19,588 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:19,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:19,589 INFO L82 PathProgramCache]: Analyzing trace with hash 85766003, now seen corresponding path program 1 times [2020-07-19 23:00:19,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:19,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85132521] [2020-07-19 23:00:19,590 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 23:00:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,922 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 40 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-07-19 23:00:20,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85132521] [2020-07-19 23:00:20,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860399939] [2020-07-19 23:00:20,741 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@488ccc48 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:21,215 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@488ccc48 issued 2 check-sat command(s) [2020-07-19 23:00:21,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:21,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 23:00:21,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-19 23:00:21,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:00:21,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 23:00:21,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836542375] [2020-07-19 23:00:21,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:00:21,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:21,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:00:21,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-19 23:00:21,596 INFO L87 Difference]: Start difference. First operand 1773 states and 2006 transitions. Second operand 8 states. [2020-07-19 23:00:22,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:22,218 INFO L93 Difference]: Finished difference Result 3256 states and 3704 transitions. [2020-07-19 23:00:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 23:00:22,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 347 [2020-07-19 23:00:22,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:22,232 INFO L225 Difference]: With dead ends: 3256 [2020-07-19 23:00:22,233 INFO L226 Difference]: Without dead ends: 1681 [2020-07-19 23:00:22,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 458 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-19 23:00:22,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-07-19 23:00:22,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1652. [2020-07-19 23:00:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-07-19 23:00:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1860 transitions. [2020-07-19 23:00:22,563 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1860 transitions. Word has length 347 [2020-07-19 23:00:22,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:22,564 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 1860 transitions. [2020-07-19 23:00:22,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:00:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1860 transitions. [2020-07-19 23:00:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-19 23:00:22,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:22,573 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, 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, 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] [2020-07-19 23:00:22,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 23:00:22,787 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:22,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:22,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1466793019, now seen corresponding path program 1 times [2020-07-19 23:00:22,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:22,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476509852] [2020-07-19 23:00:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 23:00:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,127 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-19 23:00:23,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476509852] [2020-07-19 23:00:23,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768171155] [2020-07-19 23:00:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@14bd9bbd 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 [2020-07-19 23:00:24,138 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@14bd9bbd issued 3 check-sat command(s) [2020-07-19 23:00:24,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:24,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 23:00:24,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-07-19 23:00:24,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:00:24,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 23:00:24,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383979189] [2020-07-19 23:00:24,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:00:24,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:24,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:00:24,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-19 23:00:24,394 INFO L87 Difference]: Start difference. First operand 1652 states and 1860 transitions. Second operand 8 states. [2020-07-19 23:00:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:24,950 INFO L93 Difference]: Finished difference Result 2969 states and 3363 transitions. [2020-07-19 23:00:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 23:00:24,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 351 [2020-07-19 23:00:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:24,958 INFO L225 Difference]: With dead ends: 2969 [2020-07-19 23:00:24,959 INFO L226 Difference]: Without dead ends: 1515 [2020-07-19 23:00:24,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 469 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-19 23:00:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-07-19 23:00:25,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2020-07-19 23:00:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-07-19 23:00:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1705 transitions. [2020-07-19 23:00:25,262 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1705 transitions. Word has length 351 [2020-07-19 23:00:25,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:25,264 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1705 transitions. [2020-07-19 23:00:25,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:00:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1705 transitions. [2020-07-19 23:00:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-19 23:00:25,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:25,270 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, 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, 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] [2020-07-19 23:00:25,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:25,485 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:25,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1268795149, now seen corresponding path program 2 times [2020-07-19 23:00:25,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:25,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277380022] [2020-07-19 23:00:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 23:00:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,800 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-07-19 23:00:26,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277380022] [2020-07-19 23:00:26,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404566906] [2020-07-19 23:00:26,230 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e73480e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:26,644 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e73480e issued 3 check-sat command(s) [2020-07-19 23:00:26,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:26,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 23:00:26,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 275 proven. 18 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-19 23:00:26,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:00:26,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-19 23:00:26,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033624479] [2020-07-19 23:00:26,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-19 23:00:26,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:26,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-19 23:00:26,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-07-19 23:00:26,919 INFO L87 Difference]: Start difference. First operand 1515 states and 1705 transitions. Second operand 23 states. [2020-07-19 23:00:27,690 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 23:00:28,263 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:00:28,748 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:00:29,216 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:00:30,219 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:00:31,676 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:00:32,191 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:00:32,829 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:33,678 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:35,011 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:35,280 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:36,407 INFO L93 Difference]: Finished difference Result 3117 states and 3700 transitions. [2020-07-19 23:00:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-19 23:00:36,407 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 351 [2020-07-19 23:00:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:36,418 INFO L225 Difference]: With dead ends: 3117 [2020-07-19 23:00:36,418 INFO L226 Difference]: Without dead ends: 1800 [2020-07-19 23:00:36,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=500, Invalid=2256, Unknown=0, NotChecked=0, Total=2756 [2020-07-19 23:00:36,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2020-07-19 23:00:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1515. [2020-07-19 23:00:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-07-19 23:00:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1702 transitions. [2020-07-19 23:00:36,864 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1702 transitions. Word has length 351 [2020-07-19 23:00:36,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:36,865 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1702 transitions. [2020-07-19 23:00:36,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-19 23:00:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1702 transitions. [2020-07-19 23:00:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-07-19 23:00:36,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:36,871 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, 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, 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] [2020-07-19 23:00:37,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 23:00:37,087 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:37,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:37,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1888350205, now seen corresponding path program 1 times [2020-07-19 23:00:37,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:37,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723894901] [2020-07-19 23:00:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 23:00:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,413 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 45 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-07-19 23:00:38,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723894901] [2020-07-19 23:00:38,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294495013] [2020-07-19 23:00:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6868ba36 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 [2020-07-19 23:00:38,373 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6868ba36 issued 3 check-sat command(s) [2020-07-19 23:00:38,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:38,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 23:00:38,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:38,568 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:00:38,568 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:00:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 274 proven. 26 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-19 23:00:38,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:00:38,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10] total 24 [2020-07-19 23:00:38,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274015167] [2020-07-19 23:00:38,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 23:00:38,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:38,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 23:00:38,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2020-07-19 23:00:38,693 INFO L87 Difference]: Start difference. First operand 1515 states and 1702 transitions. Second operand 24 states. [2020-07-19 23:00:39,330 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:40,814 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:41,784 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:42,364 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 23:00:42,898 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 23:00:43,175 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:43,782 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-19 23:00:44,365 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-19 23:00:44,631 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:46,846 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:47,378 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:47,729 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:48,078 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:48,569 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-19 23:00:49,100 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 23:00:50,205 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 23:00:50,762 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-19 23:00:51,250 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-19 23:00:52,586 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-19 23:00:53,121 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-19 23:00:53,435 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 23:00:53,753 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 23:00:54,112 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 23:00:54,401 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 23:00:54,729 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:55,003 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 23:00:56,383 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:56,890 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:57,218 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:57,544 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 23:00:57,862 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 23:00:58,433 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-19 23:00:58,918 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-19 23:01:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:01:03,934 INFO L93 Difference]: Finished difference Result 5825 states and 7135 transitions. [2020-07-19 23:01:03,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-07-19 23:01:03,935 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 352 [2020-07-19 23:01:03,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:01:03,957 INFO L225 Difference]: With dead ends: 5825 [2020-07-19 23:01:03,957 INFO L226 Difference]: Without dead ends: 3998 [2020-07-19 23:01:03,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 520 SyntacticMatches, 4 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3964 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=1914, Invalid=9858, Unknown=0, NotChecked=0, Total=11772 [2020-07-19 23:01:03,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2020-07-19 23:01:04,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 2964. [2020-07-19 23:01:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2964 states. [2020-07-19 23:01:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 3335 transitions. [2020-07-19 23:01:04,659 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 3335 transitions. Word has length 352 [2020-07-19 23:01:04,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:01:04,660 INFO L479 AbstractCegarLoop]: Abstraction has 2964 states and 3335 transitions. [2020-07-19 23:01:04,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 23:01:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3335 transitions. [2020-07-19 23:01:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-07-19 23:01:04,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:01:04,671 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:01:04,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:01:04,885 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:01:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:01:04,885 INFO L82 PathProgramCache]: Analyzing trace with hash -337584218, now seen corresponding path program 1 times [2020-07-19 23:01:04,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:01:04,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757016633] [2020-07-19 23:01:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c13e0ae [2020-07-19 23:01:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,223 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:01:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:01:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 108 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2020-07-19 23:01:05,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757016633] [2020-07-19 23:01:05,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59990663] [2020-07-19 23:01:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1f684af4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:01:06,063 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1f684af4 issued 3 check-sat command(s) [2020-07-19 23:01:06,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:01:06,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 23:01:06,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:01:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2020-07-19 23:01:06,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:01:06,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2020-07-19 23:01:06,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495393894] [2020-07-19 23:01:06,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 23:01:06,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:01:06,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 23:01:06,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-19 23:01:06,221 INFO L87 Difference]: Start difference. First operand 2964 states and 3335 transitions. Second operand 6 states. [2020-07-19 23:01:06,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:01:06,427 INFO L93 Difference]: Finished difference Result 3498 states and 3916 transitions. [2020-07-19 23:01:06,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 23:01:06,428 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 425 [2020-07-19 23:01:06,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:01:06,430 INFO L225 Difference]: With dead ends: 3498 [2020-07-19 23:01:06,430 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:01:06,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 574 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-19 23:01:06,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:01:06,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:01:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:01:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:01:06,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 425 [2020-07-19 23:01:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:01:06,444 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:01:06,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 23:01:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:01:06,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:01:06,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-07-19 23:01:06,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:01:06,950 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-07-19 23:01:07,323 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-07-19 23:01:07,529 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-07-19 23:01:07,911 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-07-19 23:01:08,896 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-07-19 23:01:10,236 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 309 [2020-07-19 23:01:11,348 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-07-19 23:01:16,287 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 356 [2020-07-19 23:01:19,500 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 312 [2020-07-19 23:01:20,512 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 379 [2020-07-19 23:01:24,223 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 199 DAG size of output: 40 [2020-07-19 23:01:24,468 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-19 23:01:24,869 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 23:01:25,050 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-07-19 23:01:26,125 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 32 [2020-07-19 23:01:26,824 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-07-19 23:01:27,917 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2020-07-19 23:01:29,155 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 221 DAG size of output: 34 [2020-07-19 23:01:29,921 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-07-19 23:01:30,167 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 23:01:30,384 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 23:01:30,600 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-07-19 23:01:30,814 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 23:01:31,040 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:01:31,788 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 31 [2020-07-19 23:01:33,694 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 270 DAG size of output: 50 [2020-07-19 23:01:33,909 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-07-19 23:01:34,549 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 26 [2020-07-19 23:01:35,072 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2020-07-19 23:01:36,614 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 242 DAG size of output: 41 [2020-07-19 23:01:36,995 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 34 [2020-07-19 23:01:37,619 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 26 [2020-07-19 23:01:37,838 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-07-19 23:01:38,986 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 193 DAG size of output: 39 [2020-07-19 23:01:39,633 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2020-07-19 23:01:41,639 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 275 DAG size of output: 37 [2020-07-19 23:01:42,782 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 186 DAG size of output: 33 [2020-07-19 23:01:43,462 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 39 [2020-07-19 23:01:45,217 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 259 DAG size of output: 42 [2020-07-19 23:01:45,401 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 23:01:46,434 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-07-19 23:01:47,638 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 195 DAG size of output: 39 [2020-07-19 23:01:48,047 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 44 [2020-07-19 23:01:48,388 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 28 [2020-07-19 23:01:49,144 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 29 [2020-07-19 23:01:49,330 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 23:01:49,538 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 23:01:50,465 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-19 23:01:51,106 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2020-07-19 23:01:51,258 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 23:01:51,466 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 23:01:52,655 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 224 DAG size of output: 33 [2020-07-19 23:01:52,848 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-19 23:01:55,072 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 297 DAG size of output: 37 [2020-07-19 23:01:55,304 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-19 23:01:55,521 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-07-19 23:01:55,763 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-07-19 23:01:55,976 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 23:01:56,126 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 23:01:56,274 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 23:01:56,479 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 23:01:56,686 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 23:01:57,797 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 191 DAG size of output: 38 [2020-07-19 23:01:58,682 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 37 [2020-07-19 23:01:59,301 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-19 23:01:59,508 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2020-07-19 23:01:59,721 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 23:02:00,508 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 40 [2020-07-19 23:02:00,514 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-19 23:02:00,514 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-07-19 23:02:00,514 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-07-19 23:02:00,514 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-07-19 23:02:00,514 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-19 23:02:00,515 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-07-19 23:02:00,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-07-19 23:02:00,516 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-07-19 23:02:00,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-07-19 23:02:00,516 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-19 23:02:00,516 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-07-19 23:02:00,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-07-19 23:02:00,517 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2020-07-19 23:02:00,517 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2020-07-19 23:02:00,517 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-19 23:02:00,517 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2020-07-19 23:02:00,517 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-19 23:02:00,517 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) 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))) [2020-07-19 23:02:00,517 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2020-07-19 23:02:00,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2020-07-19 23:02:00,518 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-19 23:02:00,518 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse2 .cse9 .cse7 .cse4) (or .cse8 .cse1 .cse2 .cse9 .cse7 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4))) [2020-07-19 23:02:00,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2020-07-19 23:02:00,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2020-07-19 23:02:00,518 INFO L268 CegarLoopResult]: For program point L865(lines 865 875) no Hoare annotation was computed. [2020-07-19 23:02:00,519 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse4) (or .cse5 .cse7 .cse6 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse7 .cse6 (not (<= 1 ~pumpRunning~0)) .cse4))) [2020-07-19 23:02:00,519 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-19 23:02:00,519 INFO L268 CegarLoopResult]: For program point L861(lines 861 878) no Hoare annotation was computed. [2020-07-19 23:02:00,519 INFO L268 CegarLoopResult]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2020-07-19 23:02:00,519 INFO L271 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: true [2020-07-19 23:02:00,519 INFO L268 CegarLoopResult]: For program point L859-1(line 859) no Hoare annotation was computed. [2020-07-19 23:02:00,519 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2020-07-19 23:02:00,519 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2020-07-19 23:02:00,520 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse3 .cse4) (or .cse6 .cse5 .cse3 .cse4) (or .cse1 .cse5 .cse2 (not (<= 1 ~pumpRunning~0)) .cse4))) [2020-07-19 23:02:00,520 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-07-19 23:02:00,520 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,520 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2020-07-19 23:02:00,520 INFO L264 CegarLoopResult]: At program point L1015(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 main_~tmp~11) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 23:02:00,521 INFO L264 CegarLoopResult]: At program point L1015-1(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 main_~tmp~11) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 23:02:00,521 INFO L268 CegarLoopResult]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2020-07-19 23:02:00,521 INFO L268 CegarLoopResult]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2020-07-19 23:02:00,521 INFO L268 CegarLoopResult]: For program point L1011(line 1011) no Hoare annotation was computed. [2020-07-19 23:02:00,521 INFO L264 CegarLoopResult]: At program point L1010(line 1010) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,521 INFO L264 CegarLoopResult]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,521 INFO L264 CegarLoopResult]: At program point L1009-1(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 961 984) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 961 984) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 961 984) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-07-19 23:02:00,522 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-19 23:02:00,523 INFO L268 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-07-19 23:02:00,524 INFO L268 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-07-19 23:02:00,524 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse6 .cse3) (or .cse0 .cse5 .cse2 .cse6 .cse3))) [2020-07-19 23:02:00,524 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-07-19 23:02:00,524 INFO L268 CegarLoopResult]: For program point L188(lines 188 205) no Hoare annotation was computed. [2020-07-19 23:02:00,524 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse6 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse5) (or .cse7 .cse6 .cse1 .cse3 .cse5))) [2020-07-19 23:02:00,524 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2020-07-19 23:02:00,525 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse1 .cse3 .cse5) (or .cse6 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse5))) [2020-07-19 23:02:00,525 INFO L268 CegarLoopResult]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2020-07-19 23:02:00,525 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse6 .cse3) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 .cse3))) [2020-07-19 23:02:00,525 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~2)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse6 .cse3) (or .cse0 .cse5 .cse2 .cse6 .cse3))) [2020-07-19 23:02:00,525 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2020-07-19 23:02:00,525 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2020-07-19 23:02:00,526 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2020-07-19 23:02:00,526 INFO L268 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-07-19 23:02:00,526 INFO L271 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: true [2020-07-19 23:02:00,526 INFO L268 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2020-07-19 23:02:00,526 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-19 23:02:00,526 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2020-07-19 23:02:00,526 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2020-07-19 23:02:00,526 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point L318-1(line 318) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point L307(lines 307 315) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 315) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 288 323) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point L295(lines 295 303) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 288 323) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point L295-2(lines 295 303) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 288 323) no Hoare annotation was computed. [2020-07-19 23:02:00,527 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2020-07-19 23:02:00,528 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2020-07-19 23:02:00,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-07-19 23:02:00,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-07-19 23:02:00,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-07-19 23:02:00,528 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-19 23:02:00,528 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-19 23:02:00,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-19 23:02:00,529 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-19 23:02:00,529 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-19 23:02:00,529 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-19 23:02:00,529 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,529 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2020-07-19 23:02:00,529 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2020-07-19 23:02:00,529 INFO L264 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,529 INFO L271 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: true [2020-07-19 23:02:00,529 INFO L268 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2020-07-19 23:02:00,530 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 260 267) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse1 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-19 23:02:00,530 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2020-07-19 23:02:00,530 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2020-07-19 23:02:00,531 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2020-07-19 23:02:00,531 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~3)) .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3) (or .cse7 .cse2 .cse6 .cse8 .cse3) (or .cse0 .cse7 .cse2 .cse8 .cse3))) [2020-07-19 23:02:00,531 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3)) .cse5 .cse6 .cse3) (or .cse7 .cse2 .cse4 .cse8 .cse3) (or .cse0 .cse7 .cse2 .cse8 .cse3) (or .cse1 .cse5 .cse6 .cse4 .cse3))) [2020-07-19 23:02:00,531 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-19 23:02:00,531 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse7 .cse3) (or .cse1 .cse5 .cse4 .cse6 .cse7 .cse3) (or .cse8 .cse2 .cse7 .cse9 .cse3) (or .cse0 .cse8 .cse2 .cse9 .cse3))) [2020-07-19 23:02:00,531 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed. [2020-07-19 23:02:00,532 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2020-07-19 23:02:00,532 INFO L268 CegarLoopResult]: For program point L214(lines 214 231) no Hoare annotation was computed. [2020-07-19 23:02:00,532 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 210 234) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse10 (not (<= 2 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse5) (or .cse1 .cse7 .cse8 .cse9 .cse5) (or .cse0 .cse6 .cse7 .cse9 .cse10 .cse5) (or .cse1 .cse3 .cse2 .cse4 .cse8 .cse5) (or .cse0 .cse1 .cse7 .cse9 .cse5))) [2020-07-19 23:02:00,532 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse1 .cse3 .cse5) (or .cse7 .cse6 .cse8 .cse9 .cse5) (or .cse6 .cse8 .cse9 .cse2 .cse5))) [2020-07-19 23:02:00,532 INFO L268 CegarLoopResult]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2020-07-19 23:02:00,532 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-07-19 23:02:00,532 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-07-19 23:02:00,533 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 (<= 1 ~pumpRunning~0)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse6 .cse2 .cse5 .cse4) (not .cse4))) [2020-07-19 23:02:00,533 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-07-19 23:02:00,533 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,533 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-07-19 23:02:00,533 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-19 23:02:00,533 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-07-19 23:02:00,533 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 23:02:00,533 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-19 23:02:00,534 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (not .cse4) (and .cse1 .cse5 .cse2 (= 1 ~waterLevel~0) .cse4))) [2020-07-19 23:02:00,534 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-07-19 23:02:00,534 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-07-19 23:02:00,534 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 (<= 1 ~pumpRunning~0)) (and .cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (not .cse4) (and .cse1 .cse5 .cse2 (= 1 ~waterLevel~0) .cse4))) [2020-07-19 23:02:00,534 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-19 23:02:00,534 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-19 23:02:00,534 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-07-19 23:02:00,535 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 (<= 1 ~pumpRunning~0)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (not .cse4) (and .cse1 .cse6 .cse2 .cse5 .cse4))) [2020-07-19 23:02:00,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-07-19 23:02:00,535 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-07-19 23:02:00,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-07-19 23:02:00,535 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-07-19 23:02:00,535 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-07-19 23:02:00,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-07-19 23:02:00,536 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) 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))) [2020-07-19 23:02:00,536 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2020-07-19 23:02:00,536 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2020-07-19 23:02:00,536 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2020-07-19 23:02:00,536 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2020-07-19 23:02:00,536 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2020-07-19 23:02:00,536 INFO L268 CegarLoopResult]: For program point L419-2(lines 419 427) no Hoare annotation was computed. [2020-07-19 23:02:00,536 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 411 433) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 411 433) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 411 433) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point L419(lines 419 427) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-19 23:02:00,537 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-07-19 23:02:00,538 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 887 896) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 887 896) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 887 896) no Hoare annotation was computed. [2020-07-19 23:02:00,539 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,540 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#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~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 23:02:00,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,540 INFO L264 CegarLoopResult]: At program point L254(line 254) 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))) [2020-07-19 23:02:00,540 INFO L268 CegarLoopResult]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2020-07-19 23:02:00,540 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2020-07-19 23:02:00,540 INFO L268 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-07-19 23:02:00,541 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 243 259) 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))) [2020-07-19 23:02:00,541 INFO L264 CegarLoopResult]: At program point L248(line 248) 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))) [2020-07-19 23:02:00,541 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-07-19 23:02:00,541 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2020-07-19 23:02:00,541 INFO L268 CegarLoopResult]: For program point L333(lines 333 337) no Hoare annotation was computed. [2020-07-19 23:02:00,541 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-19 23:02:00,541 INFO L268 CegarLoopResult]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2020-07-19 23:02:00,541 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-19 23:02:00,541 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2020-07-19 23:02:00,542 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2020-07-19 23:02:00,542 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2020-07-19 23:02:00,542 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-19 23:02:00,542 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-19 23:02:00,542 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: (let ((.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse8 .cse5) (or .cse7 .cse1 .cse3 .cse4 .cse8 .cse5) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 (not (<= 1 ~pumpRunning~0)) .cse5))) [2020-07-19 23:02:00,542 INFO L268 CegarLoopResult]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2020-07-19 23:02:00,542 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2020-07-19 23:02:00,543 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,543 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,543 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,543 INFO L268 CegarLoopResult]: For program point L128(lines 126 148) no Hoare annotation was computed. [2020-07-19 23:02:00,543 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 123 149) the Hoare annotation is: (let ((.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse12)) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (= 0 ~pumpRunning~0) .cse11 .cse12)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse6 .cse9 .cse7 .cse8 .cse4) (or .cse1 .cse2 .cse3 .cse9 .cse4) (or .cse5 .cse6 .cse9 .cse10 .cse4) (or .cse0 .cse5 .cse6 .cse10 .cse4)))) [2020-07-19 23:02:00,543 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse13 (= 1 ~waterLevel~0))) (let ((.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse0 (and .cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse12 .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse7 .cse5) (or .cse8 .cse9 .cse10 .cse11 .cse5) (or .cse9 .cse10 .cse2 .cse11 .cse5) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (or .cse8 .cse6 .cse1 .cse7 .cse5)))) [2020-07-19 23:02:00,544 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2020-07-19 23:02:00,544 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= 0 ~pumpRunning~0)) (.cse14 (= 1 ~waterLevel~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (and .cse13 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse5 (and .cse13 .cse6)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse13 .cse14)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 (<= 1 ~pumpRunning~0)) .cse7 .cse2 .cse8 .cse9 .cse4) (or .cse10 .cse7 .cse2 .cse11 .cse4) (or .cse12 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse12 .cse7 .cse8 .cse9 .cse4) (or .cse12 .cse10 .cse7 .cse11 .cse4)))) [2020-07-19 23:02:00,544 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2020-07-19 23:02:00,544 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse2 .cse7 .cse4) (or .cse6 .cse2 .cse8 .cse9 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse8 .cse9 .cse4))) [2020-07-19 23:02:00,544 INFO L268 CegarLoopResult]: For program point L130(lines 126 148) no Hoare annotation was computed. [2020-07-19 23:02:00,544 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2020-07-19 23:02:00,544 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2020-07-19 23:02:00,545 INFO L271 CegarLoopResult]: At program point L956(lines 931 960) the Hoare annotation is: true [2020-07-19 23:02:00,545 INFO L268 CegarLoopResult]: For program point L952(line 952) no Hoare annotation was computed. [2020-07-19 23:02:00,545 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-19 23:02:00,545 INFO L271 CegarLoopResult]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2020-07-19 23:02:00,545 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-19 23:02:00,545 INFO L271 CegarLoopResult]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2020-07-19 23:02:00,545 INFO L271 CegarLoopResult]: At program point L937(line 937) the Hoare annotation is: true [2020-07-19 23:02:00,545 INFO L268 CegarLoopResult]: For program point L937-1(line 937) no Hoare annotation was computed. [2020-07-19 23:02:00,545 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2020-07-19 23:02:00,546 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2020-07-19 23:02:00,546 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2020-07-19 23:02:00,546 INFO L268 CegarLoopResult]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2020-07-19 23:02:00,546 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-19 23:02:00,546 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2020-07-19 23:02:00,546 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2020-07-19 23:02:00,546 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2020-07-19 23:02:00,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,547 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)) [2020-07-19 23:02:00,547 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:02:00,547 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:02:00,547 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse1 .cse3 .cse5))) [2020-07-19 23:02:00,547 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2020-07-19 23:02:00,547 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse6 .cse3) (or .cse0 .cse5 .cse2 .cse6 .cse3))) [2020-07-19 23:02:00,547 INFO L268 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-07-19 23:02:00,548 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse7 .cse5 .cse2 .cse6 .cse4))) [2020-07-19 23:02:00,548 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse2 .cse6 .cse7 .cse3))) [2020-07-19 23:02:00,548 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-07-19 23:02:00,548 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse1 .cse3 .cse5))) [2020-07-19 23:02:00,548 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-19 23:02:00,548 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-07-19 23:02:00,548 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2020-07-19 23:02:00,548 INFO L268 CegarLoopResult]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2020-07-19 23:02:00,549 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 378 389) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse2 .cse3 .cse7 .cse5) (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (<= 1 ~pumpRunning~0)) .cse4 .cse5))) [2020-07-19 23:02:00,549 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2020-07-19 23:02:00,549 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2020-07-19 23:02:00,549 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2020-07-19 23:02:00,549 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2020-07-19 23:02:00,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:02:00 BoogieIcfgContainer [2020-07-19 23:02:00,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:02:00,579 INFO L168 Benchmark]: Toolchain (without parser) took 171591.79 ms. Allocated memory was 136.8 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 100.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-19 23:02:00,579 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:02:00,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.55 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 164.4 MB in the end (delta: -64.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-19 23:02:00,580 INFO L168 Benchmark]: Boogie Preprocessor took 90.73 ms. Allocated memory is still 200.8 MB. Free memory was 164.4 MB in the beginning and 160.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:02:00,580 INFO L168 Benchmark]: RCFGBuilder took 1153.01 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 160.2 MB in the beginning and 187.2 MB in the end (delta: -27.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-07-19 23:02:00,581 INFO L168 Benchmark]: TraceAbstraction took 169587.98 ms. Allocated memory was 230.7 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 185.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-19 23:02:00,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.55 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 164.4 MB in the end (delta: -64.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.73 ms. Allocated memory is still 200.8 MB. Free memory was 164.4 MB in the beginning and 160.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1153.01 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 160.2 MB in the beginning and 187.2 MB in the end (delta: -27.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 169587.98 ms. Allocated memory was 230.7 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 185.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). 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: 925]: 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: 54]: Loop Invariant Derived loop invariant: (((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(waterLevel))) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || !(1 == systemActive) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 115.6s, OverallIterations: 16, TraceHistogramMax: 9, AutomataDifference: 94.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 53.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3374 SDtfs, 8026 SDslu, 8095 SDs, 0 SdLazy, 29325 SolverSat, 5861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4071 GetRequests, 3545 SyntacticMatches, 17 SemanticMatches, 509 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10116 ImplicationChecksByTransitivity, 49.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2964occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 2564 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 5455 PreInvPairs, 5615 NumberOfFragments, 3997 HoareAnnotationTreeSize, 5455 FomulaSimplifications, 10646634925 FormulaSimplificationTreeSizeReduction, 15.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 37350595 FormulaSimplificationTreeSizeReductionInter, 37.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 5523 NumberOfCodeBlocks, 4903 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 5500 ConstructedInterpolants, 0 QuantifiedInterpolants, 3106419 SizeOfPredicates, 25 NumberOfNonLiveVariables, 8162 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 23 InterpolantComputations, 12 PerfectInterpolantSequences, 4732/4991 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...