/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:05:55,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:05:55,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:05:55,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:05:55,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:05:55,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:05:55,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:05:55,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:05:55,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:05:55,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:05:55,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:05:55,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:05:55,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:05:55,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:05:55,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:05:55,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:05:55,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:05:55,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:05:55,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:05:55,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:05:55,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:05:55,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:05:55,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:05:55,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:05:55,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:05:55,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:05:55,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:05:55,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:05:55,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:05:55,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:05:55,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:05:55,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:05:55,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:05:55,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:05:55,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:05:55,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:05:55,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:05:55,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:05:55,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:05:55,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:05:55,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:05:55,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:05:55,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:05:55,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:05:55,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:05:55,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:05:55,822 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:05:55,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:05:55,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:05:55,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:05:55,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:05:55,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:05:55,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:05:55,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:05:55,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:05:55,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:05:55,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:05:55,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:05:55,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:05:55,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:05:55,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:05:55,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:05:55,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:05:55,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:05:55,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:05:55,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:05:55,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:05:55,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:05:55,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:05:55,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:05:55,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:05:55,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:05:56,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:05:56,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:05:56,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:05:56,156 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:05:56,157 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:05:56,157 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-20 01:05:56,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd69920f5/2e6581ad2cce4d3e9668daf821b2f876/FLAG8bc31bfd6 [2020-07-20 01:05:56,798 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:05:56,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-20 01:05:56,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd69920f5/2e6581ad2cce4d3e9668daf821b2f876/FLAG8bc31bfd6 [2020-07-20 01:05:57,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd69920f5/2e6581ad2cce4d3e9668daf821b2f876 [2020-07-20 01:05:57,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:05:57,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:05:57,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:05:57,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:05:57,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:05:57,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:57,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448364b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57, skipping insertion in model container [2020-07-20 01:05:57,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:57,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:05:57,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:05:57,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:05:57,814 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:05:57,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:05:57,931 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:05:57,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57 WrapperNode [2020-07-20 01:05:57,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:05:57,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:05:57,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:05:57,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:05:57,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:57,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:57,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:57,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:57,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:58,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:58,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... [2020-07-20 01:05:58,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:05:58,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:05:58,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:05:58,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:05:58,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:05:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:05:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:05:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:05:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:05:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:05:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:05:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:05:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:05:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:05:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 01:05:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:05:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:05:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:05:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:05:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:05:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:05:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:05:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:05:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:05:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:05:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:05:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:05:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:05:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:05:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:05:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:05:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:05:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:05:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:05:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:05:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:05:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:05:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:05:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:05:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:05:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:05:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:05:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:05:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:05:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:05:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:05:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:05:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:05:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:05:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:05:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:05:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:05:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:05:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:05:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:05:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:05:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:05:59,189 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:05:59,189 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:05:59,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:59 BoogieIcfgContainer [2020-07-20 01:05:59,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:05:59,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:05:59,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:05:59,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:05:59,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:57" (1/3) ... [2020-07-20 01:05:59,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3415ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:59, skipping insertion in model container [2020-07-20 01:05:59,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:57" (2/3) ... [2020-07-20 01:05:59,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3415ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:59, skipping insertion in model container [2020-07-20 01:05:59,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:59" (3/3) ... [2020-07-20 01:05:59,206 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-07-20 01:05:59,216 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:05:59,226 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:05:59,241 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:05:59,263 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:05:59,264 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:05:59,264 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:05:59,264 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:05:59,264 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:05:59,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:05:59,265 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:05:59,265 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:05:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 01:05:59,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:05:59,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:59,301 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:59,301 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:59,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:59,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1391539258, now seen corresponding path program 1 times [2020-07-20 01:05:59,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:59,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66719380] [2020-07-20 01:05:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:05:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:59,962 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:00,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66719380] [2020-07-20 01:06:00,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:00,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:06:00,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126639297] [2020-07-20 01:06:00,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:06:00,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:00,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:06:00,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:06:00,143 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 4 states. [2020-07-20 01:06:01,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:01,480 INFO L93 Difference]: Finished difference Result 340 states and 436 transitions. [2020-07-20 01:06:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:06:01,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:06:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:01,509 INFO L225 Difference]: With dead ends: 340 [2020-07-20 01:06:01,509 INFO L226 Difference]: Without dead ends: 188 [2020-07-20 01:06:01,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:06:01,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-07-20 01:06:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 153. [2020-07-20 01:06:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 01:06:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-20 01:06:01,622 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2020-07-20 01:06:01,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:01,622 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-20 01:06:01,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:06:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-20 01:06:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:06:01,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:01,627 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:01,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:06:01,627 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:01,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:01,628 INFO L82 PathProgramCache]: Analyzing trace with hash 404948371, now seen corresponding path program 1 times [2020-07-20 01:06:01,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:01,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196104198] [2020-07-20 01:06:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,938 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:01,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196104198] [2020-07-20 01:06:01,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:01,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:06:01,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480680779] [2020-07-20 01:06:02,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:06:02,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:02,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:06:02,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:06:02,001 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 5 states. [2020-07-20 01:06:02,444 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:03,452 INFO L93 Difference]: Finished difference Result 275 states and 336 transitions. [2020-07-20 01:06:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:06:03,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:06:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:03,456 INFO L225 Difference]: With dead ends: 275 [2020-07-20 01:06:03,456 INFO L226 Difference]: Without dead ends: 178 [2020-07-20 01:06:03,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:06:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-20 01:06:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2020-07-20 01:06:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 01:06:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-20 01:06:03,516 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2020-07-20 01:06:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:03,517 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-20 01:06:03,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:06:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-20 01:06:03,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:06:03,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:03,527 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:03,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:06:03,528 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:03,528 INFO L82 PathProgramCache]: Analyzing trace with hash 539093391, now seen corresponding path program 1 times [2020-07-20 01:06:03,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:03,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701671580] [2020-07-20 01:06:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,903 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:04,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701671580] [2020-07-20 01:06:04,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:04,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:04,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249711662] [2020-07-20 01:06:04,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:04,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:04,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:04,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:04,023 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 9 states. [2020-07-20 01:06:04,484 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:04,812 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,068 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,333 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:06,241 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:08,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:08,227 INFO L93 Difference]: Finished difference Result 485 states and 599 transitions. [2020-07-20 01:06:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:06:08,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-20 01:06:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:08,233 INFO L225 Difference]: With dead ends: 485 [2020-07-20 01:06:08,233 INFO L226 Difference]: Without dead ends: 369 [2020-07-20 01:06:08,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:06:08,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-07-20 01:06:08,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 304. [2020-07-20 01:06:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-07-20 01:06:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2020-07-20 01:06:08,312 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 65 [2020-07-20 01:06:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:08,313 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2020-07-20 01:06:08,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2020-07-20 01:06:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:06:08,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:08,315 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] [2020-07-20 01:06:08,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:06:08,316 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:08,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:08,316 INFO L82 PathProgramCache]: Analyzing trace with hash -652418830, now seen corresponding path program 1 times [2020-07-20 01:06:08,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:08,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908123600] [2020-07-20 01:06:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,646 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:06:08,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908123600] [2020-07-20 01:06:08,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:08,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:08,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898341813] [2020-07-20 01:06:08,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:08,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:08,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:08,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:08,739 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 9 states. [2020-07-20 01:06:09,146 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:09,867 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:10,802 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:11,045 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:11,393 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:11,673 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:12,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:12,495 INFO L93 Difference]: Finished difference Result 795 states and 1028 transitions. [2020-07-20 01:06:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:06:12,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:06:12,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:12,502 INFO L225 Difference]: With dead ends: 795 [2020-07-20 01:06:12,502 INFO L226 Difference]: Without dead ends: 519 [2020-07-20 01:06:12,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:06:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-07-20 01:06:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 451. [2020-07-20 01:06:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-07-20 01:06:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 537 transitions. [2020-07-20 01:06:12,597 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 537 transitions. Word has length 70 [2020-07-20 01:06:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:12,598 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 537 transitions. [2020-07-20 01:06:12,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 537 transitions. [2020-07-20 01:06:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:06:12,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:12,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:12,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:06:12,601 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:12,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:12,602 INFO L82 PathProgramCache]: Analyzing trace with hash -918633805, now seen corresponding path program 1 times [2020-07-20 01:06:12,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:12,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794111908] [2020-07-20 01:06:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,875 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:13,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794111908] [2020-07-20 01:06:13,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:13,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:13,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653041828] [2020-07-20 01:06:13,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:13,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:13,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:13,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:13,075 INFO L87 Difference]: Start difference. First operand 451 states and 537 transitions. Second operand 9 states. [2020-07-20 01:06:13,445 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:14,581 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:14,832 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:15,083 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:15,367 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:16,549 INFO L93 Difference]: Finished difference Result 1362 states and 1793 transitions. [2020-07-20 01:06:16,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:06:16,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-20 01:06:16,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:16,561 INFO L225 Difference]: With dead ends: 1362 [2020-07-20 01:06:16,561 INFO L226 Difference]: Without dead ends: 939 [2020-07-20 01:06:16,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:06:16,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-07-20 01:06:16,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 811. [2020-07-20 01:06:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-07-20 01:06:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 969 transitions. [2020-07-20 01:06:16,793 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 969 transitions. Word has length 108 [2020-07-20 01:06:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:16,793 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 969 transitions. [2020-07-20 01:06:16,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 969 transitions. [2020-07-20 01:06:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:06:16,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:16,798 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:16,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:06:16,799 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:16,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:16,799 INFO L82 PathProgramCache]: Analyzing trace with hash -678093676, now seen corresponding path program 1 times [2020-07-20 01:06:16,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:16,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335973396] [2020-07-20 01:06:16,800 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,047 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:17,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335973396] [2020-07-20 01:06:17,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:17,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:06:17,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664264471] [2020-07-20 01:06:17,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:06:17,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:17,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:06:17,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:06:17,195 INFO L87 Difference]: Start difference. First operand 811 states and 969 transitions. Second operand 9 states. [2020-07-20 01:06:18,376 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:18,615 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:18,863 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:19,092 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:20,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:20,182 INFO L93 Difference]: Finished difference Result 1729 states and 2208 transitions. [2020-07-20 01:06:20,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:06:20,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-20 01:06:20,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:20,192 INFO L225 Difference]: With dead ends: 1729 [2020-07-20 01:06:20,192 INFO L226 Difference]: Without dead ends: 946 [2020-07-20 01:06:20,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:06:20,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-07-20 01:06:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 831. [2020-07-20 01:06:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-07-20 01:06:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 989 transitions. [2020-07-20 01:06:20,352 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 989 transitions. Word has length 108 [2020-07-20 01:06:20,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:20,354 INFO L479 AbstractCegarLoop]: Abstraction has 831 states and 989 transitions. [2020-07-20 01:06:20,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:06:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 989 transitions. [2020-07-20 01:06:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 01:06:20,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:20,358 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:20,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:06:20,358 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:20,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1250179026, now seen corresponding path program 1 times [2020-07-20 01:06:20,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:20,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421434184] [2020-07-20 01:06:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,630 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:20,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421434184] [2020-07-20 01:06:20,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:20,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:06:20,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668512160] [2020-07-20 01:06:20,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:06:20,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:20,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:06:20,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:06:20,788 INFO L87 Difference]: Start difference. First operand 831 states and 989 transitions. Second operand 11 states. [2020-07-20 01:06:21,442 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:21,693 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:21,922 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:22,702 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:22,953 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:23,183 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:24,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:24,178 INFO L93 Difference]: Finished difference Result 1544 states and 1934 transitions. [2020-07-20 01:06:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:06:24,178 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-20 01:06:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:24,184 INFO L225 Difference]: With dead ends: 1544 [2020-07-20 01:06:24,184 INFO L226 Difference]: Without dead ends: 741 [2020-07-20 01:06:24,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:06:24,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-07-20 01:06:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 664. [2020-07-20 01:06:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-07-20 01:06:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 775 transitions. [2020-07-20 01:06:24,311 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 775 transitions. Word has length 108 [2020-07-20 01:06:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:24,311 INFO L479 AbstractCegarLoop]: Abstraction has 664 states and 775 transitions. [2020-07-20 01:06:24,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:06:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 775 transitions. [2020-07-20 01:06:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 01:06:24,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:24,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:24,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:06:24,319 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:24,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1890897259, now seen corresponding path program 1 times [2020-07-20 01:06:24,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:24,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128946947] [2020-07-20 01:06:24,322 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,644 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:24,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128946947] [2020-07-20 01:06:24,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:24,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:06:24,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495337227] [2020-07-20 01:06:24,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:06:24,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:24,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:06:24,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:06:24,927 INFO L87 Difference]: Start difference. First operand 664 states and 775 transitions. Second operand 12 states. [2020-07-20 01:06:25,446 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:26,079 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:26,763 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:27,094 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:27,337 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:27,616 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:27,890 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:29,898 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:30,172 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:30,835 INFO L93 Difference]: Finished difference Result 1955 states and 2469 transitions. [2020-07-20 01:06:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:06:30,836 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-20 01:06:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:30,847 INFO L225 Difference]: With dead ends: 1955 [2020-07-20 01:06:30,847 INFO L226 Difference]: Without dead ends: 1505 [2020-07-20 01:06:30,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:06:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-07-20 01:06:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1367. [2020-07-20 01:06:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-20 01:06:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1597 transitions. [2020-07-20 01:06:31,097 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1597 transitions. Word has length 112 [2020-07-20 01:06:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:31,101 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1597 transitions. [2020-07-20 01:06:31,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:06:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1597 transitions. [2020-07-20 01:06:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 01:06:31,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:31,106 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:31,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:06:31,107 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:31,107 INFO L82 PathProgramCache]: Analyzing trace with hash 828062466, now seen corresponding path program 1 times [2020-07-20 01:06:31,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:31,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144542809] [2020-07-20 01:06:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,431 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 01:06:31,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144542809] [2020-07-20 01:06:31,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554920309] [2020-07-20 01:06:31,836 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b9805a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:32,469 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b9805a issued 4 check-sat command(s) [2020-07-20 01:06:32,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:32,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:06:32,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:06:32,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:32,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:06:32,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239616611] [2020-07-20 01:06:32,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:06:32,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:32,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:06:32,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:06:32,693 INFO L87 Difference]: Start difference. First operand 1367 states and 1597 transitions. Second operand 20 states. [2020-07-20 01:06:33,759 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:34,226 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:34,498 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:34,773 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:35,443 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:06:35,791 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:36,117 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:36,484 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:06:37,965 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:38,855 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:06:39,192 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:39,542 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:40,223 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:40,657 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:41,264 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:06:41,857 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:42,527 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:43,292 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:44,168 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:44,515 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:44,868 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:45,201 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:45,628 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:06:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:45,964 INFO L93 Difference]: Finished difference Result 3093 states and 3764 transitions. [2020-07-20 01:06:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-20 01:06:45,965 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-20 01:06:45,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:45,976 INFO L225 Difference]: With dead ends: 3093 [2020-07-20 01:06:45,976 INFO L226 Difference]: Without dead ends: 1934 [2020-07-20 01:06:45,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1599 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1016, Invalid=4386, Unknown=0, NotChecked=0, Total=5402 [2020-07-20 01:06:45,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-07-20 01:06:46,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1704. [2020-07-20 01:06:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-07-20 01:06:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 1984 transitions. [2020-07-20 01:06:46,361 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 1984 transitions. Word has length 172 [2020-07-20 01:06:46,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:46,362 INFO L479 AbstractCegarLoop]: Abstraction has 1704 states and 1984 transitions. [2020-07-20 01:06:46,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:06:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 1984 transitions. [2020-07-20 01:06:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-07-20 01:06:46,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:46,374 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:06:46,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 01:06:46,589 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:46,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:46,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1205235534, now seen corresponding path program 1 times [2020-07-20 01:06:46,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:46,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034163618] [2020-07-20 01:06:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:06:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,113 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 109 proven. 48 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2020-07-20 01:06:47,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034163618] [2020-07-20 01:06:47,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326248591] [2020-07-20 01:06:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d683415 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:48,636 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d683415 issued 3 check-sat command(s) [2020-07-20 01:06:48,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:48,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:06:48,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 292 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-20 01:06:49,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:49,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 26 [2020-07-20 01:06:49,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899254858] [2020-07-20 01:06:49,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 01:06:49,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:49,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 01:06:49,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2020-07-20 01:06:49,045 INFO L87 Difference]: Start difference. First operand 1704 states and 1984 transitions. Second operand 26 states. [2020-07-20 01:06:49,708 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:50,628 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:51,550 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:52,106 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:52,602 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:52,860 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:53,233 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:53,468 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:53,739 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:53,999 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:55,096 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:55,414 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:02,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:02,741 INFO L93 Difference]: Finished difference Result 5087 states and 7211 transitions. [2020-07-20 01:07:02,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-20 01:07:02,743 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 343 [2020-07-20 01:07:02,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:02,773 INFO L225 Difference]: With dead ends: 5087 [2020-07-20 01:07:02,773 INFO L226 Difference]: Without dead ends: 3434 [2020-07-20 01:07:02,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 482 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2050 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1270, Invalid=5210, Unknown=0, NotChecked=0, Total=6480 [2020-07-20 01:07:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2020-07-20 01:07:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 2080. [2020-07-20 01:07:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2020-07-20 01:07:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2428 transitions. [2020-07-20 01:07:03,253 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2428 transitions. Word has length 343 [2020-07-20 01:07:03,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:03,254 INFO L479 AbstractCegarLoop]: Abstraction has 2080 states and 2428 transitions. [2020-07-20 01:07:03,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 01:07:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2428 transitions. [2020-07-20 01:07:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-20 01:07:03,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:03,272 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:03,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:07:03,487 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:03,488 INFO L82 PathProgramCache]: Analyzing trace with hash 860879079, now seen corresponding path program 1 times [2020-07-20 01:07:03,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:03,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681913691] [2020-07-20 01:07:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:07:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,793 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-07-20 01:07:04,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681913691] [2020-07-20 01:07:04,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567618888] [2020-07-20 01:07:04,434 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@575ffb32 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:04,891 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@575ffb32 issued 3 check-sat command(s) [2020-07-20 01:07:04,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:04,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:07:04,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 269 proven. 16 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-20 01:07:05,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:05,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:07:05,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422164120] [2020-07-20 01:07:05,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:07:05,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:05,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:07:05,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:07:05,091 INFO L87 Difference]: Start difference. First operand 2080 states and 2428 transitions. Second operand 22 states. [2020-07-20 01:07:05,969 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:07:06,525 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:07,059 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:07,580 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:08,599 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:10,044 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:10,511 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:07:10,915 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:11,627 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:12,461 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:12,724 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:13,672 INFO L93 Difference]: Finished difference Result 4091 states and 4932 transitions. [2020-07-20 01:07:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:07:13,672 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-20 01:07:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:13,686 INFO L225 Difference]: With dead ends: 4091 [2020-07-20 01:07:13,686 INFO L226 Difference]: Without dead ends: 2242 [2020-07-20 01:07:13,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:07:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2020-07-20 01:07:14,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2082. [2020-07-20 01:07:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2082 states. [2020-07-20 01:07:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 2424 transitions. [2020-07-20 01:07:14,192 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 2424 transitions. Word has length 319 [2020-07-20 01:07:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:14,196 INFO L479 AbstractCegarLoop]: Abstraction has 2082 states and 2424 transitions. [2020-07-20 01:07:14,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:07:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2424 transitions. [2020-07-20 01:07:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-20 01:07:14,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:14,207 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:14,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 01:07:14,421 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:14,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:14,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1311267660, now seen corresponding path program 1 times [2020-07-20 01:07:14,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:14,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288307997] [2020-07-20 01:07:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:07:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,734 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 85 proven. 21 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-07-20 01:07:15,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288307997] [2020-07-20 01:07:15,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492258947] [2020-07-20 01:07:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20cd3f9d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:15,649 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20cd3f9d issued 4 check-sat command(s) [2020-07-20 01:07:15,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:15,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:07:15,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 197 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-07-20 01:07:15,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:15,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-20 01:07:15,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796474539] [2020-07-20 01:07:15,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:07:15,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:15,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:07:15,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:07:15,872 INFO L87 Difference]: Start difference. First operand 2082 states and 2424 transitions. Second operand 22 states. [2020-07-20 01:07:16,576 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:17,449 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:17,831 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:18,361 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:20,478 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:20,945 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:21,262 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:21,523 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:21,860 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:22,119 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:23,889 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:24,184 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:24,462 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:24,740 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:25,269 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:07:25,550 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:26,062 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:07:26,336 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:26,931 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:27,437 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:28,503 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:28,809 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:29,103 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:29,373 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:29,944 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:30,440 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:07:31,417 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:33,788 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:34,062 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:34,316 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:34,822 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:35,294 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:07:38,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:38,688 INFO L93 Difference]: Finished difference Result 8509 states and 11188 transitions. [2020-07-20 01:07:38,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-07-20 01:07:38,694 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 320 [2020-07-20 01:07:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:38,730 INFO L225 Difference]: With dead ends: 8509 [2020-07-20 01:07:38,730 INFO L226 Difference]: Without dead ends: 6233 [2020-07-20 01:07:38,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 448 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4125 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=2091, Invalid=9899, Unknown=0, NotChecked=0, Total=11990 [2020-07-20 01:07:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2020-07-20 01:07:39,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 4851. [2020-07-20 01:07:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4851 states. [2020-07-20 01:07:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 5545 transitions. [2020-07-20 01:07:39,599 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 5545 transitions. Word has length 320 [2020-07-20 01:07:39,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:39,600 INFO L479 AbstractCegarLoop]: Abstraction has 4851 states and 5545 transitions. [2020-07-20 01:07:39,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:07:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 5545 transitions. [2020-07-20 01:07:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-07-20 01:07:39,618 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:39,618 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:07:39,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:39,834 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:39,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:39,835 INFO L82 PathProgramCache]: Analyzing trace with hash -706627240, now seen corresponding path program 1 times [2020-07-20 01:07:39,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:39,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278809721] [2020-07-20 01:07:39,836 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:07:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,185 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2020-07-20 01:07:40,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278809721] [2020-07-20 01:07:40,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164611680] [2020-07-20 01:07:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61ba86b7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:41,207 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61ba86b7 issued 4 check-sat command(s) [2020-07-20 01:07:41,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:41,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 01:07:41,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-07-20 01:07:41,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:07:41,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2020-07-20 01:07:41,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463720076] [2020-07-20 01:07:41,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:07:41,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:41,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:07:41,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:07:41,411 INFO L87 Difference]: Start difference. First operand 4851 states and 5545 transitions. Second operand 8 states. [2020-07-20 01:07:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:42,374 INFO L93 Difference]: Finished difference Result 9090 states and 10434 transitions. [2020-07-20 01:07:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:07:42,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 371 [2020-07-20 01:07:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:42,399 INFO L225 Difference]: With dead ends: 9090 [2020-07-20 01:07:42,400 INFO L226 Difference]: Without dead ends: 4663 [2020-07-20 01:07:42,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 490 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:07:42,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2020-07-20 01:07:43,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4647. [2020-07-20 01:07:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4647 states. [2020-07-20 01:07:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 5298 transitions. [2020-07-20 01:07:43,053 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 5298 transitions. Word has length 371 [2020-07-20 01:07:43,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:43,054 INFO L479 AbstractCegarLoop]: Abstraction has 4647 states and 5298 transitions. [2020-07-20 01:07:43,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:07:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 5298 transitions. [2020-07-20 01:07:43,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-07-20 01:07:43,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:43,069 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, 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] [2020-07-20 01:07:43,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:07:43,286 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:43,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:43,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1659944961, now seen corresponding path program 1 times [2020-07-20 01:07:43,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:43,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540859442] [2020-07-20 01:07:43,288 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:07:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,635 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2020-07-20 01:07:44,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540859442] [2020-07-20 01:07:44,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:44,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:07:44,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273484868] [2020-07-20 01:07:44,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:07:44,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:44,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:07:44,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:07:44,046 INFO L87 Difference]: Start difference. First operand 4647 states and 5298 transitions. Second operand 11 states. [2020-07-20 01:07:44,417 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:45,153 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:47,864 INFO L93 Difference]: Finished difference Result 8140 states and 9614 transitions. [2020-07-20 01:07:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-20 01:07:47,865 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 402 [2020-07-20 01:07:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:47,883 INFO L225 Difference]: With dead ends: 8140 [2020-07-20 01:07:47,883 INFO L226 Difference]: Without dead ends: 3557 [2020-07-20 01:07:47,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=367, Invalid=1525, Unknown=0, NotChecked=0, Total=1892 [2020-07-20 01:07:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2020-07-20 01:07:48,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 2926. [2020-07-20 01:07:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2926 states. [2020-07-20 01:07:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3285 transitions. [2020-07-20 01:07:48,379 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3285 transitions. Word has length 402 [2020-07-20 01:07:48,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:48,382 INFO L479 AbstractCegarLoop]: Abstraction has 2926 states and 3285 transitions. [2020-07-20 01:07:48,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:07:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3285 transitions. [2020-07-20 01:07:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-07-20 01:07:48,390 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:48,391 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:48,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-20 01:07:48,391 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:48,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:48,391 INFO L82 PathProgramCache]: Analyzing trace with hash -380711344, now seen corresponding path program 1 times [2020-07-20 01:07:48,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:48,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647039448] [2020-07-20 01:07:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb95b2d [2020-07-20 01:07:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,870 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 145 proven. 11 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2020-07-20 01:07:49,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647039448] [2020-07-20 01:07:49,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673344607] [2020-07-20 01:07:49,309 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@56afb18d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:49,816 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@56afb18d issued 4 check-sat command(s) [2020-07-20 01:07:49,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:49,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 01:07:49,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-07-20 01:07:49,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:07:49,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 20 [2020-07-20 01:07:49,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027319837] [2020-07-20 01:07:49,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:07:49,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:49,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:07:49,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:07:49,972 INFO L87 Difference]: Start difference. First operand 2926 states and 3285 transitions. Second operand 7 states. [2020-07-20 01:07:50,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:50,832 INFO L93 Difference]: Finished difference Result 5035 states and 5714 transitions. [2020-07-20 01:07:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:07:50,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-07-20 01:07:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:50,835 INFO L225 Difference]: With dead ends: 5035 [2020-07-20 01:07:50,835 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:07:50,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 497 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2020-07-20 01:07:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:07:50,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:07:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:07:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:07:50,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-07-20 01:07:50,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:50,848 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:07:50,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:07:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:07:50,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:07:51,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:51,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:07:55,784 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 891 DAG size of output: 670 [2020-07-20 01:07:57,325 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 625 DAG size of output: 457 [2020-07-20 01:07:58,792 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-07-20 01:08:02,104 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 713 DAG size of output: 529 [2020-07-20 01:08:12,897 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 703 DAG size of output: 515 [2020-07-20 01:08:13,945 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 669 DAG size of output: 430 [2020-07-20 01:08:17,388 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 408 [2020-07-20 01:08:22,464 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-07-20 01:08:24,402 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-20 01:08:25,920 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 219 DAG size of output: 32 [2020-07-20 01:08:26,319 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-20 01:08:26,741 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-20 01:08:26,914 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-20 01:08:30,876 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 560 DAG size of output: 58 [2020-07-20 01:08:31,630 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 33 [2020-07-20 01:08:33,810 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 189 DAG size of output: 74 [2020-07-20 01:08:34,418 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 32 [2020-07-20 01:08:35,835 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 350 DAG size of output: 49 [2020-07-20 01:08:36,377 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2020-07-20 01:08:38,578 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 332 DAG size of output: 38 [2020-07-20 01:08:38,784 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:39,002 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-07-20 01:08:39,218 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-07-20 01:08:41,501 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 429 DAG size of output: 44 [2020-07-20 01:08:45,016 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 327 DAG size of output: 54 [2020-07-20 01:08:45,543 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2020-07-20 01:08:47,423 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 313 DAG size of output: 1 [2020-07-20 01:08:50,075 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 256 DAG size of output: 44 [2020-07-20 01:08:50,425 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-07-20 01:08:51,012 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-20 01:08:51,589 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-20 01:08:53,584 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 229 DAG size of output: 41 [2020-07-20 01:08:56,887 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 317 DAG size of output: 44 [2020-07-20 01:08:59,204 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 410 DAG size of output: 51 [2020-07-20 01:09:00,443 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 316 DAG size of output: 44 [2020-07-20 01:09:00,612 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:09:01,672 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 213 DAG size of output: 31 [2020-07-20 01:09:02,551 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 33 [2020-07-20 01:09:03,920 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-07-20 01:09:04,821 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 44 [2020-07-20 01:09:06,446 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 202 DAG size of output: 41 [2020-07-20 01:09:06,625 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:09:06,826 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-20 01:09:08,187 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 178 DAG size of output: 58 [2020-07-20 01:09:09,186 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 30 [2020-07-20 01:09:10,452 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 303 DAG size of output: 47 [2020-07-20 01:09:10,971 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2020-07-20 01:09:11,172 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-20 01:09:12,709 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 228 DAG size of output: 40 [2020-07-20 01:09:12,905 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2020-07-20 01:09:13,296 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-20 01:09:13,506 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-20 01:09:14,591 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-07-20 01:09:15,426 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 36 [2020-07-20 01:09:15,661 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-20 01:09:15,834 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:09:16,825 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 36 [2020-07-20 01:09:18,365 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 318 DAG size of output: 40 [2020-07-20 01:09:19,559 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 214 DAG size of output: 32 [2020-07-20 01:09:19,772 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-20 01:09:22,964 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 366 DAG size of output: 51 [2020-07-20 01:09:23,165 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-07-20 01:09:23,546 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-20 01:09:23,550 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 01:09:23,551 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 01:09:23,551 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 01:09:23,551 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 01:09:23,552 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 01:09:23,553 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 01:09:23,553 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 01:09:23,553 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 01:09:23,553 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 01:09:23,553 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 01:09:23,553 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 01:09:23,554 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 01:09:23,555 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 984 990) the Hoare annotation is: true [2020-07-20 01:09:23,556 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 984 990) no Hoare annotation was computed. [2020-07-20 01:09:23,556 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 991 999) no Hoare annotation was computed. [2020-07-20 01:09:23,556 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 991 999) the Hoare annotation is: true [2020-07-20 01:09:23,557 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 991 999) no Hoare annotation was computed. [2020-07-20 01:09:23,557 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 918 925) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:09:23,557 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 918 925) no Hoare annotation was computed. [2020-07-20 01:09:23,557 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 918 925) no Hoare annotation was computed. [2020-07-20 01:09:23,557 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 926 935) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse13 (<= ~waterLevel~0 1)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse6 .cse13 .cse12)) (.cse8 (not (<= ~waterLevel~0 2))) (.cse11 (not (= 0 ~systemActive~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse13)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse4) (or .cse8 .cse1 .cse9 .cse6 .cse7 .cse4) (or .cse10 .cse0 .cse2 .cse3 .cse4) (or .cse10 .cse5 .cse6 .cse3 .cse4) (or .cse10 .cse5 .cse6 .cse7 .cse4) (or .cse8 .cse11 .cse1 .cse6 .cse3) (or .cse10 .cse8 .cse11 .cse6 .cse3) (or .cse10 .cse9 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4)))) [2020-07-20 01:09:23,557 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 926 935) no Hoare annotation was computed. [2020-07-20 01:09:23,558 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 926 935) no Hoare annotation was computed. [2020-07-20 01:09:23,558 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-20 01:09:23,558 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse4 .cse3 .cse5 .cse2) (or .cse3 .cse0 .cse5 .cse2) (or .cse3 .cse6 .cse0 .cse5) (or .cse4 .cse3 .cse6 .cse5))) [2020-07-20 01:09:23,558 INFO L268 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-07-20 01:09:23,558 INFO L268 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2020-07-20 01:09:23,558 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse9 (= 2 ~waterLevel~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse7 (not (<= ~waterLevel~0 2))) (.cse1 (not .cse9)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse7 .cse8 .cse9 .cse2) (or .cse1 .cse8 .cse4 .cse2) (or .cse6 .cse7 .cse8 .cse4 .cse9 .cse2) (or .cse0 .cse1 .cse8 .cse2) (or .cse6 .cse7 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse3) (or .cse6 .cse0 .cse7 .cse2 .cse3) (or .cse6 .cse7 .cse4 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3)))) [2020-07-20 01:09:23,559 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-20 01:09:23,559 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 936 964) the Hoare annotation is: true [2020-07-20 01:09:23,559 INFO L268 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2020-07-20 01:09:23,559 INFO L268 CegarLoopResult]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2020-07-20 01:09:23,559 INFO L271 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: true [2020-07-20 01:09:23,559 INFO L268 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-07-20 01:09:23,559 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 936 964) no Hoare annotation was computed. [2020-07-20 01:09:23,560 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 893 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:09:23,560 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2020-07-20 01:09:23,560 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2020-07-20 01:09:23,560 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:23,560 INFO L264 CegarLoopResult]: At program point L905-1(line 905) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:23,560 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-20 01:09:23,560 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2020-07-20 01:09:23,560 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-20 01:09:23,561 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:09:23,561 INFO L264 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:09:23,561 INFO L264 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:09:23,561 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-20 01:09:23,561 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 01:09:23,561 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-07-20 01:09:23,561 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 01:09:23,561 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 01:09:23,562 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 01:09:23,563 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 01:09:23,563 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 01:09:23,563 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-20 01:09:23,563 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-07-20 01:09:23,563 INFO L268 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-07-20 01:09:23,563 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 538 562) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-20 01:09:23,563 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-20 01:09:23,564 INFO L268 CegarLoopResult]: For program point L557-1(lines 538 562) no Hoare annotation was computed. [2020-07-20 01:09:23,564 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 538 562) no Hoare annotation was computed. [2020-07-20 01:09:23,564 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 (not (= 2 ~waterLevel~0)) .cse3 .cse4 .cse1) (or (not (<= ~waterLevel~0 2)) .cse3 .cse0 .cse4 .cse1) (or .cse2 (not (= 1 ~waterLevel~0)) .cse3 .cse4 .cse1))) [2020-07-20 01:09:23,564 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse3 (and .cse5 (= 2 ~waterLevel~0)) .cse2) (or .cse4 .cse3 .cse0 .cse5 .cse2))) [2020-07-20 01:09:23,564 INFO L268 CegarLoopResult]: For program point L546(lines 546 554) no Hoare annotation was computed. [2020-07-20 01:09:23,564 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 697 711) no Hoare annotation was computed. [2020-07-20 01:09:23,565 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse5 .cse8 .cse4) (or .cse0 .cse5 .cse6) (or .cse1 .cse2 .cse8 .cse7 .cse4 (not (<= ~waterLevel~0 1))) (or .cse1 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 01:09:23,565 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-20 01:09:23,565 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 697 711) the Hoare annotation is: (let ((.cse10 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse10 (= 0 ~pumpRunning~0))) (.cse1 (and .cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse5 .cse8 .cse4) (or .cse3 .cse6 .cse9 .cse7) (or .cse1 .cse2 .cse8 .cse9 .cse4 (not (<= ~waterLevel~0 1))) (or (not (= 1 ~waterLevel~0)) .cse6 .cse9 .cse7) (or .cse6 .cse9 .cse7 (not (<= ~waterLevel~0 0))) (or .cse1 .cse2 .cse3 .cse9 .cse4)))) [2020-07-20 01:09:23,565 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 697 711) no Hoare annotation was computed. [2020-07-20 01:09:23,565 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-20 01:09:23,565 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-20 01:09:23,565 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-20 01:09:23,565 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-20 01:09:23,566 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 977 983) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 977 983) the Hoare annotation is: true [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 01:09:23,567 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 01:09:23,568 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 01:09:23,568 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 01:09:23,568 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:09:23,568 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 889) no Hoare annotation was computed. [2020-07-20 01:09:23,568 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 889) no Hoare annotation was computed. [2020-07-20 01:09:23,568 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:23,568 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-20 01:09:23,568 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-20 01:09:23,569 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 1))) (or .cse1 .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse5 .cse3) (or .cse6 .cse1 .cse0 (not (<= ~waterLevel~0 2)) .cse2 .cse3))) [2020-07-20 01:09:23,569 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 801 814) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-07-20 01:09:23,569 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 801 814) the Hoare annotation is: true [2020-07-20 01:09:23,570 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 801 814) no Hoare annotation was computed. [2020-07-20 01:09:23,570 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4) (or .cse5 .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse3 .cse4))) [2020-07-20 01:09:23,570 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-20 01:09:23,570 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse5) (or .cse7 .cse8 .cse3 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5))) [2020-07-20 01:09:23,570 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-20 01:09:23,570 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-20 01:09:23,570 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-20 01:09:23,571 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 564 588) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse7 .cse8 .cse3 .cse9 .cse5))) [2020-07-20 01:09:23,571 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4))) [2020-07-20 01:09:23,571 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-20 01:09:23,571 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse7 .cse3) (or .cse4 .cse5 .cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5)) .cse6 .cse3))) [2020-07-20 01:09:23,571 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-20 01:09:23,571 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 530 536) the Hoare annotation is: true [2020-07-20 01:09:23,572 INFO L264 CegarLoopResult]: At program point L481(lines 430 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:23,572 INFO L264 CegarLoopResult]: At program point testENTRY(lines 421 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:09:23,572 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse1 .cse2 .cse6) (and .cse7 .cse0 .cse5 .cse8 .cse6) (and .cse0 .cse5 .cse1 .cse8 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse7 .cse0 .cse5 .cse2 .cse6))) [2020-07-20 01:09:23,572 INFO L268 CegarLoopResult]: For program point testFINAL(lines 421 488) no Hoare annotation was computed. [2020-07-20 01:09:23,572 INFO L268 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2020-07-20 01:09:23,572 INFO L264 CegarLoopResult]: At program point L469-1(lines 461 476) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse10 (= 0 ~systemActive~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse8 .cse2 .cse6 .cse9 .cse4 .cse5) (and .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse10 .cse9 .cse7) (and .cse8 .cse1 .cse2 .cse11 .cse4 .cse5) (and .cse1 .cse2 .cse7 .cse3 .cse4) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse2 .cse7 .cse11 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse6 .cse10 .cse9 .cse7) (and .cse2 .cse6 .cse7 .cse11 .cse4))) [2020-07-20 01:09:23,573 INFO L268 CegarLoopResult]: For program point L432(lines 431 480) no Hoare annotation was computed. [2020-07-20 01:09:23,573 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse1 .cse6 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse4 .cse0 .cse5 .cse2 .cse7) (and .cse8 .cse0 .cse5 .cse1 (<= ~waterLevel~0 1) .cse7))) [2020-07-20 01:09:23,573 INFO L268 CegarLoopResult]: For program point L461(lines 461 476) no Hoare annotation was computed. [2020-07-20 01:09:23,573 INFO L264 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse10 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse7 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse8 .cse9 .cse7 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse10 .cse7 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse6 .cse7 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse10 .cse5 .cse7 .cse2) (and .cse1 .cse8 .cse5 .cse9 .cse7))) [2020-07-20 01:09:23,573 INFO L268 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-07-20 01:09:23,573 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2020-07-20 01:09:23,574 INFO L264 CegarLoopResult]: At program point L478(lines 431 480) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse7) (and .cse1 .cse2 (= 2 ~waterLevel~0) .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse8 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse7 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse2 .cse9 .cse7 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse9 .cse5 .cse6 .cse7))) [2020-07-20 01:09:23,574 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse9 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse7 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse7) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse8 .cse2 .cse9 .cse7 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse2 .cse10 .cse7 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse9 .cse5 .cse7 (<= ~waterLevel~0 1)) (and .cse2 .cse10 .cse5 (<= ~waterLevel~0 2) .cse7))) [2020-07-20 01:09:23,574 INFO L268 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-07-20 01:09:23,574 INFO L268 CegarLoopResult]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2020-07-20 01:09:23,574 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-20 01:09:23,574 INFO L268 CegarLoopResult]: For program point testEXIT(lines 421 488) no Hoare annotation was computed. [2020-07-20 01:09:23,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 01:09:23,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 589 596) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 589 596) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-07-20 01:09:23,575 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 769 791) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 769 791) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 769 791) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 01:09:23,576 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 01:09:23,577 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 01:09:23,578 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 01:09:23,578 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 967 976) no Hoare annotation was computed. [2020-07-20 01:09:23,578 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 967 976) no Hoare annotation was computed. [2020-07-20 01:09:23,578 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 967 976) no Hoare annotation was computed. [2020-07-20 01:09:23,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,578 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#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~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#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)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:09:23,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,579 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-20 01:09:23,579 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-07-20 01:09:23,579 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-07-20 01:09:23,579 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-07-20 01:09:23,579 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 01:09:23,579 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-20 01:09:23,579 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 597 613) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-20 01:09:23,580 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-20 01:09:23,580 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-20 01:09:23,580 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 792 800) the Hoare annotation is: true [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-20 01:09:23,580 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-20 01:09:23,581 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,581 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,581 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,581 INFO L268 CegarLoopResult]: For program point L752-1(lines 748 759) no Hoare annotation was computed. [2020-07-20 01:09:23,581 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 748 759) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse9 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= 2 ~waterLevel~0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse5 .cse8 .cse6 .cse7) (or .cse9 .cse0 .cse6 .cse7 .cse4) (or .cse10 .cse1 .cse2 .cse6 .cse4) (or .cse10 .cse9 .cse5 .cse1 .cse6) (or .cse10 .cse8 .cse1 .cse3 .cse4) (or .cse10 .cse8 .cse1 .cse6 .cse4))) [2020-07-20 01:09:23,581 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 748 759) no Hoare annotation was computed. [2020-07-20 01:09:23,582 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse8 .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse3 .cse4) (or .cse7 .cse9 .cse5 .cse6) (or .cse8 .cse7 .cse0 .cse6 .cse3 .cse4) (or .cse9 .cse5 .cse2 .cse6))) [2020-07-20 01:09:23,582 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-07-20 01:09:23,582 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-07-20 01:09:23,582 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (let ((.cse13 (= 1 ~systemActive~0)) (.cse16 (= 0 ~pumpRunning~0)) (.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (not (= 0 ~systemActive~0))) (.cse8 (and .cse16 .cse14 .cse15)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (and .cse16 .cse14 (<= ~waterLevel~0 1) .cse15 .cse13)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse14 .cse15)) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse7 .cse5) (or .cse2 .cse8 .cse9 .cse7 .cse10) (or .cse8 .cse11 .cse7 .cse12 .cse5) (or .cse8 .cse9 .cse7 .cse12 .cse10) (or .cse2 .cse8 .cse11 .cse7 .cse5) (or .cse2 .cse3 .cse11 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse12 .cse5) (or .cse0 .cse3 .cse4 .cse12 .cse10 .cse5) (or .cse3 .cse11 .cse4 .cse12 .cse5)))) [2020-07-20 01:09:23,582 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-07-20 01:09:23,583 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse10 (not (= 2 |old(~waterLevel~0)|))) (.cse11 (and .cse14 .cse15 (= 1 ~waterLevel~0))) (.cse6 (and (= 0 ~pumpRunning~0) .cse16)) (.cse4 (not (<= |old(~waterLevel~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse14 .cse15 (<= ~waterLevel~0 0) .cse16)) (.cse13 (and .cse14 .cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~systemActive~0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse5) (or .cse1 .cse3 .cse10 .cse11 .cse5) (or .cse1 .cse12 .cse7 .cse9) (or .cse3 .cse10 .cse8 .cse11 .cse5) (or .cse6 .cse1 .cse7 .cse9 .cse5) (or .cse0 .cse2 .cse3 .cse4 .cse8 .cse5) (or .cse0 .cse1 .cse2 .cse13 .cse3 .cse9 .cse5) (or .cse0 .cse2 .cse13 .cse3 .cse8 .cse9 .cse5) (or .cse12 .cse7 .cse8 .cse9)))) [2020-07-20 01:09:23,583 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-07-20 01:09:23,583 INFO L264 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse18 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse20 (= 1 ~systemActive~0))) (let ((.cse12 (= 1 ~waterLevel~0)) (.cse14 (and .cse18 (<= ~waterLevel~0 1) .cse4 .cse20)) (.cse17 (and (= 2 ~waterLevel~0) .cse18 .cse4 .cse20)) (.cse6 (and .cse18 .cse4)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= |old(~waterLevel~0)| 0))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse15 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse20))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse11 .cse12 .cse5) (or .cse13 .cse8 .cse9 .cse14 .cse5) (or .cse0 (and .cse15 .cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse2 .cse9 (not (= 1 |old(~waterLevel~0)|)) .cse5) (or .cse2 .cse11 .cse9 (and .cse15 .cse16 .cse12) .cse5) (or .cse1 .cse8 .cse17 .cse14 .cse10 .cse5) (or (and .cse4 (<= 1 ~pumpRunning~0)) .cse11 .cse8 .cse9 .cse17 .cse5) (or .cse6 .cse1 .cse7 .cse8 .cse10) (or .cse0 .cse2 .cse3 .cse9 (and .cse15 .cse16 .cse4) .cse5) (or .cse1 .cse2 .cse11 (and .cse18 .cse19) .cse5) (or .cse0 .cse13 (and (<= ~waterLevel~0 0) .cse18 .cse19) .cse1 .cse2 .cse5)))) [2020-07-20 01:09:23,583 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-07-20 01:09:23,583 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-20 01:09:23,583 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-07-20 01:09:23,583 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-07-20 01:09:23,584 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 01:09:23,584 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-07-20 01:09:23,584 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-07-20 01:09:23,584 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-20 01:09:23,584 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-07-20 01:09:23,584 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 01:09:23,584 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 760 768) the Hoare annotation is: true [2020-07-20 01:09:23,584 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-20 01:09:23,584 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-20 01:09:23,585 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 724 735) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse1 .cse3 .cse4))) [2020-07-20 01:09:23,585 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 724 735) no Hoare annotation was computed. [2020-07-20 01:09:23,585 INFO L268 CegarLoopResult]: For program point L728-1(lines 724 735) no Hoare annotation was computed. [2020-07-20 01:09:23,585 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-20 01:09:23,585 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-07-20 01:09:23,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,585 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:09:23,585 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:09:23,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:09:23,586 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 712 719) no Hoare annotation was computed. [2020-07-20 01:09:23,586 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 712 719) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse8 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 |old(~systemActive~0)|)) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse7) (or .cse1 .cse8 .cse6 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse7) (or .cse1 .cse6 .cse3 .cse4 (not (<= ~waterLevel~0 1)) .cse5) (or .cse0 .cse1 .cse8 .cse3 .cse5))) [2020-07-20 01:09:23,586 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 712 719) no Hoare annotation was computed. [2020-07-20 01:09:23,586 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 736 747) no Hoare annotation was computed. [2020-07-20 01:09:23,586 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 736 747) the Hoare annotation is: (let ((.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse9 .cse2 .cse7) (or .cse9 .cse1 .cse6 .cse2 .cse7) (or .cse0 .cse5 .cse9 .cse2 .cse7) (or .cse8 .cse1 (= 2 ~waterLevel~0) .cse3 .cse4))) [2020-07-20 01:09:23,586 INFO L268 CegarLoopResult]: For program point L740-1(lines 736 747) no Hoare annotation was computed. [2020-07-20 01:09:23,586 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 01:09:23,587 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 01:09:23,587 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 01:09:23,587 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 01:09:23,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:09:23 BoogieIcfgContainer [2020-07-20 01:09:23,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:09:23,609 INFO L168 Benchmark]: Toolchain (without parser) took 206478.66 ms. Allocated memory was 137.4 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 101.2 MB in the beginning and 216.8 MB in the end (delta: -115.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-20 01:09:23,609 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:09:23,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.02 ms. Allocated memory was 137.4 MB in the beginning and 206.0 MB in the end (delta: 68.7 MB). Free memory was 100.8 MB in the beginning and 172.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:09:23,610 INFO L168 Benchmark]: Boogie Preprocessor took 92.31 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:09:23,610 INFO L168 Benchmark]: RCFGBuilder took 1170.60 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 168.2 MB in the beginning and 194.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:09:23,611 INFO L168 Benchmark]: TraceAbstraction took 204409.52 ms. Allocated memory was 236.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 194.1 MB in the beginning and 216.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-20 01:09:23,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.02 ms. Allocated memory was 137.4 MB in the beginning and 206.0 MB in the end (delta: 68.7 MB). Free memory was 100.8 MB in the beginning and 172.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.31 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.60 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 168.2 MB in the beginning and 194.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204409.52 ms. Allocated memory was 236.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 194.1 MB in the beginning and 216.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 431]: Loop Invariant Derived loop invariant: ((((((((((((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 0) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 111.8s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 90.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 92.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2993 SDtfs, 8012 SDslu, 6634 SDs, 0 SdLazy, 26358 SolverSat, 7112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3520 GetRequests, 3012 SyntacticMatches, 11 SemanticMatches, 497 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9426 ImplicationChecksByTransitivity, 43.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4851occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 4433 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 9587 PreInvPairs, 10099 NumberOfFragments, 4919 HoareAnnotationTreeSize, 9587 FomulaSimplifications, 14018570439 FormulaSimplificationTreeSizeReduction, 33.0s HoareSimplificationTime, 69 FomulaSimplificationsInter, 35877952 FormulaSimplificationTreeSizeReductionInter, 58.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 4898 NumberOfCodeBlocks, 4734 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 4877 ConstructedInterpolants, 0 QuantifiedInterpolants, 2907752 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7694 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 5011/5196 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...