/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:04:45,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:04:45,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:04:45,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:04:45,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:04:45,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:04:45,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:04:45,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:04:45,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:04:45,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:04:45,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:04:45,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:04:45,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:04:45,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:04:45,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:04:45,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:04:45,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:04:45,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:04:45,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:04:45,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:04:45,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:04:45,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:04:45,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:04:45,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:04:45,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:04:45,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:04:45,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:04:45,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:04:45,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:04:45,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:04:45,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:04:45,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:04:45,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:04:45,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:04:45,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:04:45,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:04:45,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:04:45,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:04:45,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:04:45,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:04:45,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:04:45,170 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 01:04:45,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:04:45,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:04:45,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:04:45,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:04:45,186 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:04:45,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:04:45,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:04:45,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:04:45,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:04:45,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:04:45,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:04:45,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:04:45,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:04:45,188 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:04:45,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:04:45,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:04:45,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:04:45,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:04:45,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:04:45,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:04:45,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:04:45,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:04:45,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:04:45,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:04:45,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:04:45,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:04:45,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:04:45,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:04:45,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:04:45,191 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 01:04:45,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:04:45,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:04:45,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:04:45,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:04:45,525 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:04:45,525 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-07-20 01:04:45,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e7c161d/95e4886263a148d1ae5c1d521b1bb4de/FLAG68cb6c22e [2020-07-20 01:04:46,104 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:04:46,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-07-20 01:04:46,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e7c161d/95e4886263a148d1ae5c1d521b1bb4de/FLAG68cb6c22e [2020-07-20 01:04:46,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e7c161d/95e4886263a148d1ae5c1d521b1bb4de [2020-07-20 01:04:46,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:04:46,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:04:46,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:46,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:04:46,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:04:46,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:46" (1/1) ... [2020-07-20 01:04:46,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcf8336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:46, skipping insertion in model container [2020-07-20 01:04:46,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:46" (1/1) ... [2020-07-20 01:04:46,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:04:46,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:04:46,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:46,987 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:04:47,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:47,115 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:04:47,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47 WrapperNode [2020-07-20 01:04:47,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:47,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:04:47,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:04:47,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:04:47,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:04:47,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:04:47,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:04:47,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:04:47,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (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 01:04:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:04:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:04:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:04:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:04:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:04:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:04:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:04:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:04:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:04:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:04:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:04:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:04:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:04:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:04:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:04:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:04:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:04:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:04:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:04:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:04:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:04:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:04:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:04:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:04:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:04:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:04:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:04:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:04:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:04:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:04:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:04:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:04:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:04:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:04:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:04:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:04:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:04:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:04:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:04:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:04:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:04:48,439 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:04:48,439 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:04:48,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:48 BoogieIcfgContainer [2020-07-20 01:04:48,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:04:48,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:04:48,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:04:48,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:04:48,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:46" (1/3) ... [2020-07-20 01:04:48,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7623958f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:48, skipping insertion in model container [2020-07-20 01:04:48,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47" (2/3) ... [2020-07-20 01:04:48,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7623958f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:48, skipping insertion in model container [2020-07-20 01:04:48,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:48" (3/3) ... [2020-07-20 01:04:48,469 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-07-20 01:04:48,479 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:04:48,487 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:04:48,501 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:04:48,527 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:04:48,527 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:04:48,527 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:04:48,527 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:04:48,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:04:48,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:04:48,532 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:04:48,532 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:04:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-07-20 01:04:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:04:48,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:48,567 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 01:04:48,568 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:48,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:48,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1963515353, now seen corresponding path program 1 times [2020-07-20 01:04:48,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:48,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105527345] [2020-07-20 01:04:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:04:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,301 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:49,410 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 01:04:49,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105527345] [2020-07-20 01:04:49,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:49,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:04:49,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48956926] [2020-07-20 01:04:49,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:04:49,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:49,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:04:49,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:04:49,436 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-07-20 01:04:50,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:50,530 INFO L93 Difference]: Finished difference Result 276 states and 357 transitions. [2020-07-20 01:04:50,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:04:50,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:04:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:50,547 INFO L225 Difference]: With dead ends: 276 [2020-07-20 01:04:50,547 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 01:04:50,552 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 01:04:50,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 01:04:50,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 124. [2020-07-20 01:04:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-20 01:04:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-07-20 01:04:50,680 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2020-07-20 01:04:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:50,681 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-07-20 01:04:50,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:04:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-07-20 01:04:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 01:04:50,695 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:50,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:04:50,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:04:50,696 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:50,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002156, now seen corresponding path program 1 times [2020-07-20 01:04:50,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:50,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953284977] [2020-07-20 01:04:50,697 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:04:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,084 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:51,228 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 01:04:51,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953284977] [2020-07-20 01:04:51,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:51,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:04:51,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132661507] [2020-07-20 01:04:51,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:04:51,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:51,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:04:51,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:04:51,232 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 9 states. [2020-07-20 01:04:51,647 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:04:51,956 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:04:52,210 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:04:52,519 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:04:53,511 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:04:54,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:54,634 INFO L93 Difference]: Finished difference Result 423 states and 533 transitions. [2020-07-20 01:04:54,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:04:54,635 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-20 01:04:54,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:54,641 INFO L225 Difference]: With dead ends: 423 [2020-07-20 01:04:54,641 INFO L226 Difference]: Without dead ends: 327 [2020-07-20 01:04:54,643 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 01:04:54,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-20 01:04:54,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 265. [2020-07-20 01:04:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-07-20 01:04:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2020-07-20 01:04:54,744 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 64 [2020-07-20 01:04:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:54,745 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2020-07-20 01:04:54,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:04:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2020-07-20 01:04:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-20 01:04:54,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:54,748 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] [2020-07-20 01:04:54,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:04:54,749 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:54,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2013051811, now seen corresponding path program 1 times [2020-07-20 01:04:54,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:54,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939033519] [2020-07-20 01:04:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:04:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,055 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:55,128 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 01:04:55,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939033519] [2020-07-20 01:04:55,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:55,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:04:55,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413121710] [2020-07-20 01:04:55,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:04:55,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:55,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:04:55,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:04:55,131 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 7 states. [2020-07-20 01:04:55,488 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:04:56,864 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:04:57,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:57,448 INFO L93 Difference]: Finished difference Result 782 states and 1053 transitions. [2020-07-20 01:04:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 01:04:57,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-20 01:04:57,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:57,458 INFO L225 Difference]: With dead ends: 782 [2020-07-20 01:04:57,458 INFO L226 Difference]: Without dead ends: 545 [2020-07-20 01:04:57,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:04:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-07-20 01:04:57,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 452. [2020-07-20 01:04:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-07-20 01:04:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 561 transitions. [2020-07-20 01:04:57,579 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 561 transitions. Word has length 72 [2020-07-20 01:04:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:57,580 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 561 transitions. [2020-07-20 01:04:57,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:04:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 561 transitions. [2020-07-20 01:04:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:04:57,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:57,582 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 01:04:57,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:04:57,585 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:57,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:57,586 INFO L82 PathProgramCache]: Analyzing trace with hash -601082987, now seen corresponding path program 1 times [2020-07-20 01:04:57,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:57,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418101964] [2020-07-20 01:04:57,587 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:04:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,849 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,946 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 01:04:57,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418101964] [2020-07-20 01:04:57,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:57,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:04:57,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675103636] [2020-07-20 01:04:57,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:04:57,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:57,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:04:57,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:04:57,949 INFO L87 Difference]: Start difference. First operand 452 states and 561 transitions. Second operand 9 states. [2020-07-20 01:04:58,373 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:04:59,002 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:04:59,832 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:00,193 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:00,644 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:00,883 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:01,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:01,529 INFO L93 Difference]: Finished difference Result 948 states and 1227 transitions. [2020-07-20 01:05:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:05:01,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:05:01,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:01,535 INFO L225 Difference]: With dead ends: 948 [2020-07-20 01:05:01,535 INFO L226 Difference]: Without dead ends: 524 [2020-07-20 01:05:01,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:05:01,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-07-20 01:05:01,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 449. [2020-07-20 01:05:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-07-20 01:05:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 552 transitions. [2020-07-20 01:05:01,632 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 552 transitions. Word has length 70 [2020-07-20 01:05:01,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:01,633 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 552 transitions. [2020-07-20 01:05:01,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 552 transitions. [2020-07-20 01:05:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 01:05:01,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:01,635 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] [2020-07-20 01:05:01,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:05:01,636 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:01,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:01,636 INFO L82 PathProgramCache]: Analyzing trace with hash 455917845, now seen corresponding path program 1 times [2020-07-20 01:05:01,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:01,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960499690] [2020-07-20 01:05:01,637 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,877 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:01,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960499690] [2020-07-20 01:05:01,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:01,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:05:01,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115901530] [2020-07-20 01:05:01,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:05:01,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:01,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:05:01,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:05:01,967 INFO L87 Difference]: Start difference. First operand 449 states and 552 transitions. Second operand 6 states. [2020-07-20 01:05:02,807 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:03,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:03,724 INFO L93 Difference]: Finished difference Result 770 states and 949 transitions. [2020-07-20 01:05:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:03,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 01:05:03,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:03,730 INFO L225 Difference]: With dead ends: 770 [2020-07-20 01:05:03,731 INFO L226 Difference]: Without dead ends: 453 [2020-07-20 01:05:03,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:05:03,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-07-20 01:05:03,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 380. [2020-07-20 01:05:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-20 01:05:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 448 transitions. [2020-07-20 01:05:03,799 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 448 transitions. Word has length 83 [2020-07-20 01:05:03,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:03,800 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 448 transitions. [2020-07-20 01:05:03,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:05:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 448 transitions. [2020-07-20 01:05:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 01:05:03,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:03,802 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] [2020-07-20 01:05:03,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:05:03,802 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:03,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1418290782, now seen corresponding path program 1 times [2020-07-20 01:05:03,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:03,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507232092] [2020-07-20 01:05:03,803 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,110 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:04,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507232092] [2020-07-20 01:05:04,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:04,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:04,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575630784] [2020-07-20 01:05:04,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:04,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:04,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:04,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:04,302 INFO L87 Difference]: Start difference. First operand 380 states and 448 transitions. Second operand 9 states. [2020-07-20 01:05:04,763 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:05,931 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:06,186 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:06,500 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:06,810 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:05:07,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:07,873 INFO L93 Difference]: Finished difference Result 1150 states and 1510 transitions. [2020-07-20 01:05:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:05:07,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-20 01:05:07,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:07,885 INFO L225 Difference]: With dead ends: 1150 [2020-07-20 01:05:07,886 INFO L226 Difference]: Without dead ends: 798 [2020-07-20 01:05:07,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:07,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-07-20 01:05:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 681. [2020-07-20 01:05:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2020-07-20 01:05:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 812 transitions. [2020-07-20 01:05:08,055 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 812 transitions. Word has length 87 [2020-07-20 01:05:08,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:08,057 INFO L479 AbstractCegarLoop]: Abstraction has 681 states and 812 transitions. [2020-07-20 01:05:08,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 812 transitions. [2020-07-20 01:05:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 01:05:08,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:08,061 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] [2020-07-20 01:05:08,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:05:08,062 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:08,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:08,063 INFO L82 PathProgramCache]: Analyzing trace with hash 765386145, now seen corresponding path program 1 times [2020-07-20 01:05:08,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:08,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457637058] [2020-07-20 01:05:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,320 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:08,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457637058] [2020-07-20 01:05:08,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:08,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:08,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666424284] [2020-07-20 01:05:08,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:08,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:08,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:08,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:08,483 INFO L87 Difference]: Start difference. First operand 681 states and 812 transitions. Second operand 9 states. [2020-07-20 01:05:09,652 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:09,947 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:10,223 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:10,478 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:11,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:11,085 INFO L93 Difference]: Finished difference Result 1456 states and 1829 transitions. [2020-07-20 01:05:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:11,085 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-20 01:05:11,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:11,090 INFO L225 Difference]: With dead ends: 1456 [2020-07-20 01:05:11,090 INFO L226 Difference]: Without dead ends: 803 [2020-07-20 01:05:11,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:05:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2020-07-20 01:05:11,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 701. [2020-07-20 01:05:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-07-20 01:05:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 832 transitions. [2020-07-20 01:05:11,214 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 832 transitions. Word has length 87 [2020-07-20 01:05:11,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:11,214 INFO L479 AbstractCegarLoop]: Abstraction has 701 states and 832 transitions. [2020-07-20 01:05:11,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 832 transitions. [2020-07-20 01:05:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 01:05:11,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:11,218 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] [2020-07-20 01:05:11,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:05:11,218 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:11,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:11,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2143377757, now seen corresponding path program 1 times [2020-07-20 01:05:11,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:11,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909669847] [2020-07-20 01:05:11,220 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,480 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:11,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909669847] [2020-07-20 01:05:11,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:11,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:05:11,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986388593] [2020-07-20 01:05:11,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:05:11,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:11,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:05:11,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:05:11,599 INFO L87 Difference]: Start difference. First operand 701 states and 832 transitions. Second operand 11 states. [2020-07-20 01:05:12,268 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:12,515 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:12,757 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:13,501 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:13,769 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:14,019 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:14,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:14,767 INFO L93 Difference]: Finished difference Result 1322 states and 1646 transitions. [2020-07-20 01:05:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:05:14,768 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2020-07-20 01:05:14,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:14,772 INFO L225 Difference]: With dead ends: 1322 [2020-07-20 01:05:14,772 INFO L226 Difference]: Without dead ends: 649 [2020-07-20 01:05:14,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:14,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-07-20 01:05:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 576. [2020-07-20 01:05:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-07-20 01:05:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 668 transitions. [2020-07-20 01:05:14,876 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 668 transitions. Word has length 87 [2020-07-20 01:05:14,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:14,876 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 668 transitions. [2020-07-20 01:05:14,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:05:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 668 transitions. [2020-07-20 01:05:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 01:05:14,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:14,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:14,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:05:14,881 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash 858193610, now seen corresponding path program 1 times [2020-07-20 01:05:14,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:14,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865206434] [2020-07-20 01:05:14,882 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,207 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:15,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865206434] [2020-07-20 01:05:15,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:15,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:05:15,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365540119] [2020-07-20 01:05:15,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:05:15,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:15,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:05:15,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:05:15,383 INFO L87 Difference]: Start difference. First operand 576 states and 668 transitions. Second operand 12 states. [2020-07-20 01:05:15,894 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:16,577 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:17,260 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:17,621 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:17,875 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:18,175 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:18,449 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:19,660 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:19,934 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:20,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:20,509 INFO L93 Difference]: Finished difference Result 1645 states and 2041 transitions. [2020-07-20 01:05:20,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:05:20,510 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-07-20 01:05:20,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:20,517 INFO L225 Difference]: With dead ends: 1645 [2020-07-20 01:05:20,517 INFO L226 Difference]: Without dead ends: 1269 [2020-07-20 01:05:20,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:05:20,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-07-20 01:05:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1155. [2020-07-20 01:05:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1155 states. [2020-07-20 01:05:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1335 transitions. [2020-07-20 01:05:20,695 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1335 transitions. Word has length 91 [2020-07-20 01:05:20,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:20,696 INFO L479 AbstractCegarLoop]: Abstraction has 1155 states and 1335 transitions. [2020-07-20 01:05:20,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:05:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1335 transitions. [2020-07-20 01:05:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 01:05:20,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:20,700 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:05:20,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 01:05:20,700 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:20,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:20,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1244109311, now seen corresponding path program 1 times [2020-07-20 01:05:20,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:20,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441050252] [2020-07-20 01:05:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,011 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 01:05:21,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441050252] [2020-07-20 01:05:21,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050773287] [2020-07-20 01:05:21,333 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2fec376a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:21,852 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2fec376a issued 4 check-sat command(s) [2020-07-20 01:05:21,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:21,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:05:21,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:05:22,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:22,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:05:22,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303943018] [2020-07-20 01:05:22,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:05:22,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:22,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:05:22,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:05:22,038 INFO L87 Difference]: Start difference. First operand 1155 states and 1335 transitions. Second operand 20 states. [2020-07-20 01:05:22,695 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:23,082 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:05:23,372 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:23,647 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:24,377 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:05:24,627 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:24,991 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:05:25,481 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:26,567 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:27,532 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:05:27,877 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:28,266 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:29,042 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:05:29,578 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:29,927 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:30,197 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:30,492 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:31,009 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:31,733 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:05:32,038 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:32,322 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:32,570 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:32,845 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:33,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:33,128 INFO L93 Difference]: Finished difference Result 2188 states and 2611 transitions. [2020-07-20 01:05:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-20 01:05:33,129 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 134 [2020-07-20 01:05:33,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:33,136 INFO L225 Difference]: With dead ends: 2188 [2020-07-20 01:05:33,136 INFO L226 Difference]: Without dead ends: 1227 [2020-07-20 01:05:33,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1379 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=925, Invalid=3905, Unknown=0, NotChecked=0, Total=4830 [2020-07-20 01:05:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-07-20 01:05:33,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1065. [2020-07-20 01:05:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-07-20 01:05:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1223 transitions. [2020-07-20 01:05:33,310 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1223 transitions. Word has length 134 [2020-07-20 01:05:33,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:33,311 INFO L479 AbstractCegarLoop]: Abstraction has 1065 states and 1223 transitions. [2020-07-20 01:05:33,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:05:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1223 transitions. [2020-07-20 01:05:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-20 01:05:33,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:33,321 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:05:33,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:05:33,536 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:33,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:33,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1284254506, now seen corresponding path program 1 times [2020-07-20 01:05:33,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:33,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649393452] [2020-07-20 01:05:33,537 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,882 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-07-20 01:05:34,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649393452] [2020-07-20 01:05:34,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824631760] [2020-07-20 01:05:34,462 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@26fb9ee9 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 01:05:35,010 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@26fb9ee9 issued 3 check-sat command(s) [2020-07-20 01:05:35,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:35,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:05:35,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:35,306 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 178 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-20 01:05:35,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:35,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 25 [2020-07-20 01:05:35,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052574962] [2020-07-20 01:05:35,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 01:05:35,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:35,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 01:05:35,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-20 01:05:35,309 INFO L87 Difference]: Start difference. First operand 1065 states and 1223 transitions. Second operand 25 states. [2020-07-20 01:05:35,922 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:36,781 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:37,685 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:37,958 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:38,462 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:05:38,986 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:05:39,285 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:39,645 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:39,936 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:40,208 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:40,934 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:41,299 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:45,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:45,338 INFO L93 Difference]: Finished difference Result 2893 states and 3823 transitions. [2020-07-20 01:05:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-20 01:05:45,339 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 241 [2020-07-20 01:05:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:45,355 INFO L225 Difference]: With dead ends: 2893 [2020-07-20 01:05:45,356 INFO L226 Difference]: Without dead ends: 1875 [2020-07-20 01:05:45,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 334 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=891, Invalid=3399, Unknown=0, NotChecked=0, Total=4290 [2020-07-20 01:05:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2020-07-20 01:05:45,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1317. [2020-07-20 01:05:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-07-20 01:05:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1530 transitions. [2020-07-20 01:05:45,629 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1530 transitions. Word has length 241 [2020-07-20 01:05:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:45,629 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1530 transitions. [2020-07-20 01:05:45,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 01:05:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1530 transitions. [2020-07-20 01:05:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-07-20 01:05:45,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:45,636 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:45,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:45,850 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:45,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:45,850 INFO L82 PathProgramCache]: Analyzing trace with hash 302055644, now seen corresponding path program 1 times [2020-07-20 01:05:45,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:45,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655887796] [2020-07-20 01:05:45,851 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,167 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 89 proven. 35 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-07-20 01:05:46,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655887796] [2020-07-20 01:05:46,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310745870] [2020-07-20 01:05:46,718 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@648c8c39 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:47,365 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@648c8c39 issued 3 check-sat command(s) [2020-07-20 01:05:47,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:47,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 01:05:47,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 214 proven. 14 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-20 01:05:47,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:47,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-20 01:05:47,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159705460] [2020-07-20 01:05:47,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-20 01:05:47,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:47,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-20 01:05:47,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2020-07-20 01:05:47,723 INFO L87 Difference]: Start difference. First operand 1317 states and 1530 transitions. Second operand 23 states. [2020-07-20 01:05:48,735 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:05:49,324 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:05:49,835 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:05:50,323 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:05:51,312 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:05:52,335 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:52,955 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:05:53,449 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:05:54,255 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:54,990 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:55,259 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:55,924 INFO L93 Difference]: Finished difference Result 2425 states and 2914 transitions. [2020-07-20 01:05:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:05:55,925 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 257 [2020-07-20 01:05:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:55,933 INFO L225 Difference]: With dead ends: 2425 [2020-07-20 01:05:55,933 INFO L226 Difference]: Without dead ends: 1413 [2020-07-20 01:05:55,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=469, Invalid=1981, Unknown=0, NotChecked=0, Total=2450 [2020-07-20 01:05:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2020-07-20 01:05:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1319. [2020-07-20 01:05:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-07-20 01:05:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1527 transitions. [2020-07-20 01:05:56,188 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1527 transitions. Word has length 257 [2020-07-20 01:05:56,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:56,189 INFO L479 AbstractCegarLoop]: Abstraction has 1319 states and 1527 transitions. [2020-07-20 01:05:56,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-20 01:05:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1527 transitions. [2020-07-20 01:05:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-07-20 01:05:56,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:56,197 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:05:56,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 01:05:56,412 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:56,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:56,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1952432278, now seen corresponding path program 1 times [2020-07-20 01:05:56,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:56,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150078822] [2020-07-20 01:05:56,413 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60715678 [2020-07-20 01:05:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,703 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-07-20 01:05:56,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150078822] [2020-07-20 01:05:56,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67903739] [2020-07-20 01:05:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4d68c4d 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 01:05:57,533 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4d68c4d issued 4 check-sat command(s) [2020-07-20 01:05:57,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:57,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:05:57,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 154 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-07-20 01:05:57,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:57,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2020-07-20 01:05:57,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463488581] [2020-07-20 01:05:57,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 01:05:57,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:57,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 01:05:57,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:05:57,730 INFO L87 Difference]: Start difference. First operand 1319 states and 1527 transitions. Second operand 15 states. [2020-07-20 01:05:58,304 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:58,979 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:59,397 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:59,779 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:01,759 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:06:02,650 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:03,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:03,905 INFO L93 Difference]: Finished difference Result 2055 states and 2571 transitions. [2020-07-20 01:06:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-20 01:06:03,906 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 259 [2020-07-20 01:06:03,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:03,908 INFO L225 Difference]: With dead ends: 2055 [2020-07-20 01:06:03,908 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:06:03,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1582 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1058, Invalid=3634, Unknown=0, NotChecked=0, Total=4692 [2020-07-20 01:06:03,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:06:03,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:06:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:06:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:06:03,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2020-07-20 01:06:03,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:03,917 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:06:03,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-20 01:06:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:06:03,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:06:04,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:04,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:06:05,307 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 317 [2020-07-20 01:06:11,084 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 360 [2020-07-20 01:06:11,685 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 287 [2020-07-20 01:06:12,046 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 301 [2020-07-20 01:06:12,734 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 198 [2020-07-20 01:06:13,493 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 338 [2020-07-20 01:06:15,546 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 30 [2020-07-20 01:06:15,705 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:06:16,099 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:16,940 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 35 [2020-07-20 01:06:17,091 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-20 01:06:17,325 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-07-20 01:06:17,537 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:17,845 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 38 [2020-07-20 01:06:18,623 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 35 [2020-07-20 01:06:18,812 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:06:20,375 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 234 DAG size of output: 43 [2020-07-20 01:06:20,541 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-07-20 01:06:20,702 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:06:20,956 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-07-20 01:06:21,161 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-20 01:06:22,524 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 199 DAG size of output: 38 [2020-07-20 01:06:22,972 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 51 [2020-07-20 01:06:23,151 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-20 01:06:23,298 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-07-20 01:06:24,582 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 186 DAG size of output: 38 [2020-07-20 01:06:25,288 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-07-20 01:06:26,597 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-07-20 01:06:27,594 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 34 [2020-07-20 01:06:27,858 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 29 [2020-07-20 01:06:28,377 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 18 [2020-07-20 01:06:28,958 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 32 [2020-07-20 01:06:29,159 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-20 01:06:29,345 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-20 01:06:29,512 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-20 01:06:29,694 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-20 01:06:29,850 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:06:30,032 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-20 01:06:30,809 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 34 [2020-07-20 01:06:31,550 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-07-20 01:06:32,917 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2020-07-20 01:06:33,137 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-07-20 01:06:33,782 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 54 [2020-07-20 01:06:34,364 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 19 [2020-07-20 01:06:34,935 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-07-20 01:06:36,015 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 258 DAG size of output: 41 [2020-07-20 01:06:37,182 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 209 DAG size of output: 39 [2020-07-20 01:06:37,368 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-20 01:06:37,373 INFO L268 CegarLoopResult]: For program point L254(lines 231 255) no Hoare annotation was computed. [2020-07-20 01:06:37,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 207 262) no Hoare annotation was computed. [2020-07-20 01:06:37,373 INFO L268 CegarLoopResult]: For program point L238(lines 238 242) no Hoare annotation was computed. [2020-07-20 01:06:37,373 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 242) no Hoare annotation was computed. [2020-07-20 01:06:37,373 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 01:06:37,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 207 262) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 253) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 207 262) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 314) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point L315(lines 288 316) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 263 322) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-20 01:06:37,374 INFO L268 CegarLoopResult]: For program point L308-1(line 308) no Hoare annotation was computed. [2020-07-20 01:06:37,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 263 322) no Hoare annotation was computed. [2020-07-20 01:06:37,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 263 322) no Hoare annotation was computed. [2020-07-20 01:06:37,375 INFO L268 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-07-20 01:06:37,375 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 299) no Hoare annotation was computed. [2020-07-20 01:06:37,375 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-20 01:06:37,375 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-07-20 01:06:37,376 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-20 01:06:37,376 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-07-20 01:06:37,376 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-07-20 01:06:37,376 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-07-20 01:06:37,376 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 899 906) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:06:37,376 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 899 906) no Hoare annotation was computed. [2020-07-20 01:06:37,376 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 899 906) no Hoare annotation was computed. [2020-07-20 01:06:37,376 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-20 01:06:37,377 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 907 916) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse5 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3))) [2020-07-20 01:06:37,377 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 907 916) no Hoare annotation was computed. [2020-07-20 01:06:37,377 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 907 916) no Hoare annotation was computed. [2020-07-20 01:06:37,377 INFO L268 CegarLoopResult]: For program point L929(lines 929 939) no Hoare annotation was computed. [2020-07-20 01:06:37,377 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse6 (not (<= ~waterLevel~0 0)) .cse3) (or .cse7 .cse4 .cse2) (or .cse0 (not (<= ~waterLevel~0 2)) .cse7 .cse2) (or .cse4 .cse6 .cse3))) [2020-07-20 01:06:37,377 INFO L268 CegarLoopResult]: For program point L927-1(line 927) no Hoare annotation was computed. [2020-07-20 01:06:37,378 INFO L268 CegarLoopResult]: For program point L925(lines 925 942) no Hoare annotation was computed. [2020-07-20 01:06:37,378 INFO L268 CegarLoopResult]: For program point L925-1(lines 917 945) no Hoare annotation was computed. [2020-07-20 01:06:37,378 INFO L271 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: true [2020-07-20 01:06:37,378 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-20 01:06:37,378 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 917 945) the Hoare annotation is: true [2020-07-20 01:06:37,378 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 917 945) no Hoare annotation was computed. [2020-07-20 01:06:37,378 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse2) (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse3) (or .cse4 .cse3 .cse2) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse3 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-20 01:06:37,378 INFO L268 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-07-20 01:06:37,379 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,379 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-20 01:06:37,379 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,379 INFO L264 CegarLoopResult]: At program point L143-1(line 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,379 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-20 01:06:37,379 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-20 01:06:37,379 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-20 01:06:37,380 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 01:06:37,380 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,380 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,380 INFO L264 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,380 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 01:06:37,380 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-20 01:06:37,380 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-20 01:06:37,380 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-20 01:06:37,380 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-20 01:06:37,381 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-20 01:06:37,382 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 01:06:37,382 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-20 01:06:37,382 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-20 01:06:37,382 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 882 896) no Hoare annotation was computed. [2020-07-20 01:06:37,382 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= 0 |old(~systemActive~0)|))) (or .cse1 .cse2 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse3 .cse0) (or .cse1 .cse2 .cse3))) [2020-07-20 01:06:37,382 INFO L268 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-07-20 01:06:37,382 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 882 896) the Hoare annotation is: (let ((.cse5 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse5 (= 0 ~pumpRunning~0))) (.cse3 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (<= ~waterLevel~0 2)) .cse1 (not (= 0 |old(~systemActive~0)|)) .cse2) (or .cse3 .cse4 .cse0)))) [2020-07-20 01:06:37,382 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 882 896) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 818 826) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 818 826) the Hoare annotation is: true [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 818 826) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point L834-2(lines 834 842) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 827 862) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-20 01:06:37,383 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 827 862) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 827 862) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point L834(lines 834 842) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 161 206) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 161 206) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 161 206) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 474 519) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point L494(lines 494 501) no Hoare annotation was computed. [2020-07-20 01:06:37,384 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 474 519) no Hoare annotation was computed. [2020-07-20 01:06:37,385 INFO L268 CegarLoopResult]: For program point L488(lines 488 508) no Hoare annotation was computed. [2020-07-20 01:06:37,385 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 508) no Hoare annotation was computed. [2020-07-20 01:06:37,385 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 474 519) no Hoare annotation was computed. [2020-07-20 01:06:37,385 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,385 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-20 01:06:37,385 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,385 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-20 01:06:37,385 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 807 817) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 807 817) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 807 817) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 799 806) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or .cse1 .cse0 (not (= 2 ~waterLevel~0))))) [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 799 806) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 799 806) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-20 01:06:37,386 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 708 721) no Hoare annotation was computed. [2020-07-20 01:06:37,387 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 708 721) the Hoare annotation is: true [2020-07-20 01:06:37,387 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 708 721) no Hoare annotation was computed. [2020-07-20 01:06:37,387 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 766 790) no Hoare annotation was computed. [2020-07-20 01:06:37,387 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 766 790) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 (not (<= ~waterLevel~0 0)) .cse2) (or .cse3 .cse5 .cse4 .cse6 .cse2))) [2020-07-20 01:06:37,387 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 .cse4 .cse3 .cse5 .cse1))) [2020-07-20 01:06:37,387 INFO L268 CegarLoopResult]: For program point L785-1(lines 766 790) no Hoare annotation was computed. [2020-07-20 01:06:37,388 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3))) [2020-07-20 01:06:37,388 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse4 (= 0 ~pumpRunning~0) .cse2) (or .cse3 .cse4 .cse2))) [2020-07-20 01:06:37,388 INFO L268 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-07-20 01:06:37,388 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse2) (or .cse3 .cse4 .cse5 .cse2))) [2020-07-20 01:06:37,388 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-20 01:06:37,388 INFO L268 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-07-20 01:06:37,388 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 758 764) no Hoare annotation was computed. [2020-07-20 01:06:37,389 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 758 764) the Hoare annotation is: true [2020-07-20 01:06:37,389 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~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 01:06:37,389 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse3 .cse4) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse2) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= ~waterLevel~0 1) (not (= 0 ~switchedOnBeforeTS~0)) .cse4))) [2020-07-20 01:06:37,389 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-20 01:06:37,389 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse4))) [2020-07-20 01:06:37,389 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-20 01:06:37,390 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-20 01:06:37,390 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-20 01:06:37,390 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse3 .cse1) (and .cse0 .cse4 .cse1 .cse2))) [2020-07-20 01:06:37,390 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-20 01:06:37,390 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-20 01:06:37,390 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse3 .cse4 .cse1) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2))) [2020-07-20 01:06:37,390 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= |old(~systemActive~0)| ~systemActive~0) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse0 .cse4 .cse3 .cse1) (and .cse0 .cse4 .cse1 .cse2))) [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point L448(lines 448 455) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point L442(lines 442 462) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 428 473) no Hoare annotation was computed. [2020-07-20 01:06:37,391 INFO L268 CegarLoopResult]: For program point L442-1(lines 442 462) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 428 473) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 428 473) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 325 427) no Hoare annotation was computed. [2020-07-20 01:06:37,392 INFO L268 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 394) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L395(lines 373 396) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 325 427) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L354(lines 354 370) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L375(lines 374 394) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-20 01:06:37,393 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point L371(lines 371 412) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 325 427) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-07-20 01:06:37,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,395 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~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.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~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~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)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.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~string24.offset| |old(#t~string24.offset)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#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)|)) [2020-07-20 01:06:37,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,395 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-07-20 01:06:37,395 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-07-20 01:06:37,395 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 798) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:06:37,395 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 699 707) the Hoare annotation is: true [2020-07-20 01:06:37,395 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 863 881) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L268 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L271 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: true [2020-07-20 01:06:37,396 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 863 881) the Hoare annotation is: true [2020-07-20 01:06:37,396 INFO L268 CegarLoopResult]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 863 881) no Hoare annotation was computed. [2020-07-20 01:06:37,396 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse0 .cse6 .cse4 .cse3) (or .cse5 .cse0 .cse2 .cse3) (or .cse0 .cse6 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 01:06:37,397 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2020-07-20 01:06:37,397 INFO L268 CegarLoopResult]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2020-07-20 01:06:37,397 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,397 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,397 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,397 INFO L268 CegarLoopResult]: For program point L736(lines 734 756) no Hoare annotation was computed. [2020-07-20 01:06:37,397 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 731 757) the Hoare annotation is: (let ((.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (and (= 0 ~pumpRunning~0) .cse7 .cse8)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse5 .cse6) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse6 .cse3) (or .cse4 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse1 .cse5 .cse3)))) [2020-07-20 01:06:37,398 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse1) .cse4) (or (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse9 (and .cse7 .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse5 .cse3 .cse4) (or (and .cse0 .cse10) .cse6 .cse2 .cse4) (or .cse9 .cse5 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse10) .cse4))) [2020-07-20 01:06:37,398 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 731 757) no Hoare annotation was computed. [2020-07-20 01:06:37,398 INFO L264 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse5 (and .cse0 .cse12)) (.cse8 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse2) (or .cse7 .cse8 (and .cse9 .cse10 .cse1) .cse4) (or .cse11 (and .cse9 .cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse7 .cse3 .cse4) (or .cse11 .cse7 (not (<= |old(~waterLevel~0)| 0)) (and .cse9 .cse10 .cse12) .cse4) (or .cse5 .cse8 .cse6 .cse2) (or .cse5 (and .cse12 (<= 1 ~pumpRunning~0)) .cse8 .cse2 .cse4)))) [2020-07-20 01:06:37,398 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 731 757) no Hoare annotation was computed. [2020-07-20 01:06:37,398 INFO L264 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse5) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse2 .cse3))) [2020-07-20 01:06:37,398 INFO L268 CegarLoopResult]: For program point L738(lines 734 756) no Hoare annotation was computed. [2020-07-20 01:06:37,399 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-20 01:06:37,399 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-20 01:06:37,399 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-20 01:06:37,399 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-20 01:06:37,399 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-20 01:06:37,399 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-20 01:06:37,399 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-20 01:06:37,399 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 667 675) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2020-07-20 01:06:37,400 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-20 01:06:37,401 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-20 01:06:37,401 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,401 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:06:37,401 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:06:37,401 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:06:37,401 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2020-07-20 01:06:37,401 INFO L268 CegarLoopResult]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2020-07-20 01:06:37,401 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= |old(~waterLevel~0)| 0)) .cse3 .cse5 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) .cse3 .cse4) (or .cse5 .cse1 (= 1 ~waterLevel~0) .cse6 .cse2) (or .cse3 .cse4 .cse6 .cse2))) [2020-07-20 01:06:37,402 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:06:37,402 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:06:37,402 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:06:37,402 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:06:37,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:06:37 BoogieIcfgContainer [2020-07-20 01:06:37,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:06:37,422 INFO L168 Benchmark]: Toolchain (without parser) took 110979.28 ms. Allocated memory was 140.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 97.5 MB in the beginning and 86.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-20 01:06:37,423 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 116.6 MB in the beginning and 116.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-20 01:06:37,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.19 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 97.1 MB in the beginning and 169.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:06:37,424 INFO L168 Benchmark]: Boogie Preprocessor took 165.09 ms. Allocated memory is still 199.2 MB. Free memory was 169.0 MB in the beginning and 164.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:06:37,424 INFO L168 Benchmark]: RCFGBuilder took 1163.64 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 77.0 MB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:06:37,424 INFO L168 Benchmark]: TraceAbstraction took 108958.80 ms. Allocated memory was 222.8 MB in the beginning and 1.2 GB in the end (delta: 984.1 MB). Free memory was 194.0 MB in the beginning and 86.2 MB in the end (delta: 107.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-20 01:06:37,426 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 116.6 MB in the beginning and 116.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.19 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 97.1 MB in the beginning and 169.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.09 ms. Allocated memory is still 199.2 MB. Free memory was 169.0 MB in the beginning and 164.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1163.64 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 77.0 MB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 108958.80 ms. Allocated memory was 222.8 MB in the beginning and 1.2 GB in the end (delta: 984.1 MB). Free memory was 194.0 MB in the beginning and 86.2 MB in the end (delta: 107.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75.6s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 62.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1889 SDtfs, 5759 SDslu, 4159 SDs, 0 SdLazy, 16250 SolverSat, 4570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1876 GetRequests, 1492 SyntacticMatches, 4 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5225 ImplicationChecksByTransitivity, 32.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1319occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1552 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 3185 PreInvPairs, 3425 NumberOfFragments, 2475 HoareAnnotationTreeSize, 3185 FomulaSimplifications, 373298091 FormulaSimplificationTreeSizeReduction, 10.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 639773 FormulaSimplificationTreeSizeReductionInter, 22.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2482 NumberOfCodeBlocks, 2362 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2465 ConstructedInterpolants, 0 QuantifiedInterpolants, 1079966 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4121 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 1619/1739 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...