/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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:59:38,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:59:38,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:59:38,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:59:38,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:59:38,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:59:38,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:59:38,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:59:38,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:59:38,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:59:38,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:59:38,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:59:38,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:59:38,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:59:38,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:59:38,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:59:38,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:59:38,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:59:38,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:59:38,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:59:38,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:59:38,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:59:38,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:59:38,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:59:38,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:59:38,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:59:38,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:59:38,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:59:38,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:59:38,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:59:38,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:59:38,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:59:38,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:59:38,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:59:38,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:59:38,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:59:38,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:59:38,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:59:38,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:59:38,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:59:38,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:59:38,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 00:59:38,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:59:38,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:59:38,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:59:38,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:59:38,176 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:59:38,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:59:38,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:59:38,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:59:38,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:59:38,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:59:38,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:59:38,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:59:38,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:59:38,178 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:59:38,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:59:38,178 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:59:38,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:59:38,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:59:38,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:59:38,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:59:38,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:59:38,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:38,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:59:38,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:59:38,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:59:38,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:59:38,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:59:38,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:59:38,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:59:38,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:59:38,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:59:38,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:59:38,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:59:38,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:59:38,495 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:59:38,497 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-07-20 00:59:38,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929cd5cda/ce93c235c00b496aae108ac4bc9a9ab4/FLAG61860f39e [2020-07-20 00:59:39,145 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:59:39,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-07-20 00:59:39,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929cd5cda/ce93c235c00b496aae108ac4bc9a9ab4/FLAG61860f39e [2020-07-20 00:59:39,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929cd5cda/ce93c235c00b496aae108ac4bc9a9ab4 [2020-07-20 00:59:39,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:59:39,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:59:39,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:39,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:59:39,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:59:39,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:39" (1/1) ... [2020-07-20 00:59:39,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:39, skipping insertion in model container [2020-07-20 00:59:39,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:39" (1/1) ... [2020-07-20 00:59:39,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:59:39,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:59:40,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:59:40,025 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:59:40,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:59:40,176 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:59:40,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40 WrapperNode [2020-07-20 00:59:40,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:40,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:59:40,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:59:40,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:59:40,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... [2020-07-20 00:59:40,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:59:40,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:59:40,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:59:40,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:59:40,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:59:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:59:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:59:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:59:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:59:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:59:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 00:59:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:59:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:59:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:59:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:59:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:59:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:59:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:59:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 00:59:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:59:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:59:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:59:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:59:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:59:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:59:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:59:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:59:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:59:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:59:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:59:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:59:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 00:59:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:59:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:59:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:59:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:59:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 00:59:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 00:59:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:59:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:59:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:59:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:59:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:59:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:59:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:59:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:59:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:59:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:59:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:59:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:59:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:59:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:59:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:59:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:59:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:59:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:59:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:59:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:59:41,553 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:59:41,554 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:59:41,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:41 BoogieIcfgContainer [2020-07-20 00:59:41,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:59:41,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:59:41,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:59:41,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:59:41,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:59:39" (1/3) ... [2020-07-20 00:59:41,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b3c94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:41, skipping insertion in model container [2020-07-20 00:59:41,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:40" (2/3) ... [2020-07-20 00:59:41,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b3c94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:41, skipping insertion in model container [2020-07-20 00:59:41,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:41" (3/3) ... [2020-07-20 00:59:41,572 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-07-20 00:59:41,583 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:59:41,595 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:59:41,610 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:59:41,647 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:59:41,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:59:41,647 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:59:41,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:59:41,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:59:41,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:59:41,649 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:59:41,649 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:59:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-20 00:59:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:59:41,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:41,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:41,692 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:41,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1930033303, now seen corresponding path program 1 times [2020-07-20 00:59:41,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:41,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499949965] [2020-07-20 00:59:41,705 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 00:59:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,312 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:42,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499949965] [2020-07-20 00:59:42,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:42,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 00:59:42,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665850576] [2020-07-20 00:59:42,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:59:42,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:42,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:59:42,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:59:42,460 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-07-20 00:59:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:43,782 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2020-07-20 00:59:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:59:43,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 00:59:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:43,800 INFO L225 Difference]: With dead ends: 341 [2020-07-20 00:59:43,800 INFO L226 Difference]: Without dead ends: 183 [2020-07-20 00:59:43,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:59:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-20 00:59:43,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 149. [2020-07-20 00:59:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 00:59:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2020-07-20 00:59:43,906 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2020-07-20 00:59:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:43,907 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2020-07-20 00:59:43,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:59:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2020-07-20 00:59:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 00:59:43,911 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:43,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:43,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:59:43,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1692135718, now seen corresponding path program 1 times [2020-07-20 00:59:43,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:43,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543400737] [2020-07-20 00:59:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 00:59:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,278 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:44,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543400737] [2020-07-20 00:59:44,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:44,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:59:44,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139492940] [2020-07-20 00:59:44,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:59:44,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:44,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:59:44,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:59:44,332 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 4 states. [2020-07-20 00:59:44,858 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:59:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:45,849 INFO L93 Difference]: Finished difference Result 274 states and 336 transitions. [2020-07-20 00:59:45,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 00:59:45,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-20 00:59:45,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:45,854 INFO L225 Difference]: With dead ends: 274 [2020-07-20 00:59:45,854 INFO L226 Difference]: Without dead ends: 167 [2020-07-20 00:59:45,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:59:45,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-20 00:59:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 140. [2020-07-20 00:59:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 00:59:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2020-07-20 00:59:45,899 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2020-07-20 00:59:45,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:45,899 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2020-07-20 00:59:45,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:59:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2020-07-20 00:59:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 00:59:45,902 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:45,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:45,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:59:45,903 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:45,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:45,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1292389066, now seen corresponding path program 1 times [2020-07-20 00:59:45,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:45,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244103917] [2020-07-20 00:59:45,904 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 00:59:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,267 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:46,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244103917] [2020-07-20 00:59:46,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:46,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:59:46,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981662039] [2020-07-20 00:59:46,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:59:46,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:46,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:59:46,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:59:46,426 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 8 states. [2020-07-20 00:59:46,812 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:47,132 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:59:47,400 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:47,669 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:49,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:49,033 INFO L93 Difference]: Finished difference Result 283 states and 350 transitions. [2020-07-20 00:59:49,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:59:49,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-20 00:59:49,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:49,037 INFO L225 Difference]: With dead ends: 283 [2020-07-20 00:59:49,037 INFO L226 Difference]: Without dead ends: 167 [2020-07-20 00:59:49,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:59:49,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-20 00:59:49,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 140. [2020-07-20 00:59:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 00:59:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-07-20 00:59:49,078 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2020-07-20 00:59:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:49,078 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-07-20 00:59:49,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:59:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-07-20 00:59:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 00:59:49,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:49,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:49,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:59:49,082 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash 875217030, now seen corresponding path program 1 times [2020-07-20 00:59:49,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:49,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36024521] [2020-07-20 00:59:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 00:59:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,372 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:49,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36024521] [2020-07-20 00:59:49,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:49,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 00:59:49,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136551144] [2020-07-20 00:59:49,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 00:59:49,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:49,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 00:59:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 00:59:49,490 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 6 states. [2020-07-20 00:59:49,894 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:51,199 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:59:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:52,016 INFO L93 Difference]: Finished difference Result 393 states and 487 transitions. [2020-07-20 00:59:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 00:59:52,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-07-20 00:59:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:52,021 INFO L225 Difference]: With dead ends: 393 [2020-07-20 00:59:52,021 INFO L226 Difference]: Without dead ends: 277 [2020-07-20 00:59:52,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-20 00:59:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-07-20 00:59:52,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2020-07-20 00:59:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-20 00:59:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2020-07-20 00:59:52,072 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2020-07-20 00:59:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:52,072 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2020-07-20 00:59:52,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 00:59:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2020-07-20 00:59:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 00:59:52,076 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:52,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:52,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:59:52,076 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:52,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:52,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1332654256, now seen corresponding path program 1 times [2020-07-20 00:59:52,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:52,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969853035] [2020-07-20 00:59:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 00:59:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,371 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:52,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969853035] [2020-07-20 00:59:52,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:52,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:59:52,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886961929] [2020-07-20 00:59:52,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:59:52,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:52,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:59:52,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:59:52,485 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 8 states. [2020-07-20 00:59:52,945 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:54,307 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:54,598 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:54,869 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:55,094 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:55,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:55,966 INFO L93 Difference]: Finished difference Result 614 states and 761 transitions. [2020-07-20 00:59:55,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 00:59:55,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-20 00:59:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:55,969 INFO L225 Difference]: With dead ends: 614 [2020-07-20 00:59:55,970 INFO L226 Difference]: Without dead ends: 402 [2020-07-20 00:59:55,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:59:55,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-20 00:59:56,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 362. [2020-07-20 00:59:56,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-07-20 00:59:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 420 transitions. [2020-07-20 00:59:56,066 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 420 transitions. Word has length 89 [2020-07-20 00:59:56,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:56,066 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 420 transitions. [2020-07-20 00:59:56,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:59:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 420 transitions. [2020-07-20 00:59:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 00:59:56,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:56,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:56,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:59:56,069 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:56,070 INFO L82 PathProgramCache]: Analyzing trace with hash -920967306, now seen corresponding path program 1 times [2020-07-20 00:59:56,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:56,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900483315] [2020-07-20 00:59:56,070 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 00:59:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,363 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:56,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900483315] [2020-07-20 00:59:56,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:56,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:59:56,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623798095] [2020-07-20 00:59:56,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:59:56,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:56,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:59:56,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:59:56,498 INFO L87 Difference]: Start difference. First operand 362 states and 420 transitions. Second operand 9 states. [2020-07-20 00:59:57,015 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:57,517 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:59,008 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:01,092 INFO L93 Difference]: Finished difference Result 935 states and 1195 transitions. [2020-07-20 01:00:01,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 01:00:01,092 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-20 01:00:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:01,103 INFO L225 Difference]: With dead ends: 935 [2020-07-20 01:00:01,103 INFO L226 Difference]: Without dead ends: 712 [2020-07-20 01:00:01,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-20 01:00:01,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-07-20 01:00:01,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 646. [2020-07-20 01:00:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-07-20 01:00:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 781 transitions. [2020-07-20 01:00:01,238 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 781 transitions. Word has length 93 [2020-07-20 01:00:01,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:01,238 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 781 transitions. [2020-07-20 01:00:01,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:00:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 781 transitions. [2020-07-20 01:00:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 01:00:01,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:01,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:01,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:00:01,241 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:01,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:01,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1438339703, now seen corresponding path program 1 times [2020-07-20 01:00:01,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:01,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102160555] [2020-07-20 01:00:01,242 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,484 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:01,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102160555] [2020-07-20 01:00:01,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:01,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:00:01,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269855140] [2020-07-20 01:00:01,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:00:01,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:01,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:00:01,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:00:01,652 INFO L87 Difference]: Start difference. First operand 646 states and 781 transitions. Second operand 8 states. [2020-07-20 01:00:02,552 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:02,773 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:03,008 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:04,210 INFO L93 Difference]: Finished difference Result 1191 states and 1490 transitions. [2020-07-20 01:00:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:00:04,211 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-20 01:00:04,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:04,215 INFO L225 Difference]: With dead ends: 1191 [2020-07-20 01:00:04,215 INFO L226 Difference]: Without dead ends: 688 [2020-07-20 01:00:04,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:00:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-20 01:00:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 646. [2020-07-20 01:00:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-07-20 01:00:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 780 transitions. [2020-07-20 01:00:04,328 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 780 transitions. Word has length 93 [2020-07-20 01:00:04,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:04,328 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 780 transitions. [2020-07-20 01:00:04,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:00:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 780 transitions. [2020-07-20 01:00:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 01:00:04,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:04,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:04,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:00:04,331 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:04,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:04,332 INFO L82 PathProgramCache]: Analyzing trace with hash 2097871225, now seen corresponding path program 1 times [2020-07-20 01:00:04,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:04,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065732268] [2020-07-20 01:00:04,332 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,597 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:04,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065732268] [2020-07-20 01:00:04,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:04,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:00:04,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475280245] [2020-07-20 01:00:04,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:00:04,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:04,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:00:04,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:00:04,784 INFO L87 Difference]: Start difference. First operand 646 states and 780 transitions. Second operand 12 states. [2020-07-20 01:00:05,605 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:05,850 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:06,108 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:06,819 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:07,092 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:00:07,370 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:07,623 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:08,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:08,973 INFO L93 Difference]: Finished difference Result 1270 states and 1579 transitions. [2020-07-20 01:00:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 01:00:08,979 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-07-20 01:00:08,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:08,984 INFO L225 Difference]: With dead ends: 1270 [2020-07-20 01:00:08,984 INFO L226 Difference]: Without dead ends: 648 [2020-07-20 01:00:08,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-20 01:00:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-20 01:00:09,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 617. [2020-07-20 01:00:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-07-20 01:00:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 740 transitions. [2020-07-20 01:00:09,099 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 740 transitions. Word has length 93 [2020-07-20 01:00:09,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:09,099 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 740 transitions. [2020-07-20 01:00:09,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:00:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 740 transitions. [2020-07-20 01:00:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 01:00:09,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:09,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:09,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:00:09,102 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:09,102 INFO L82 PathProgramCache]: Analyzing trace with hash 791892564, now seen corresponding path program 1 times [2020-07-20 01:00:09,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:09,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064140961] [2020-07-20 01:00:09,103 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,421 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:09,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064140961] [2020-07-20 01:00:09,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:09,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-20 01:00:09,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86948190] [2020-07-20 01:00:09,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:00:09,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:09,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:00:09,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:00:09,591 INFO L87 Difference]: Start difference. First operand 617 states and 740 transitions. Second operand 13 states. [2020-07-20 01:00:10,248 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:10,500 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:10,748 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:11,714 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:12,332 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:12,659 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:12,933 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:13,623 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:13,940 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:14,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:14,434 INFO L93 Difference]: Finished difference Result 1241 states and 1503 transitions. [2020-07-20 01:00:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 01:00:14,435 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-07-20 01:00:14,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:14,442 INFO L225 Difference]: With dead ends: 1241 [2020-07-20 01:00:14,443 INFO L226 Difference]: Without dead ends: 648 [2020-07-20 01:00:14,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2020-07-20 01:00:14,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-20 01:00:14,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 617. [2020-07-20 01:00:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-07-20 01:00:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 724 transitions. [2020-07-20 01:00:14,612 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 724 transitions. Word has length 94 [2020-07-20 01:00:14,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:14,614 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 724 transitions. [2020-07-20 01:00:14,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:00:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 724 transitions. [2020-07-20 01:00:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 01:00:14,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:14,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:14,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 01:00:14,621 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:14,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:14,622 INFO L82 PathProgramCache]: Analyzing trace with hash -361137762, now seen corresponding path program 1 times [2020-07-20 01:00:14,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:14,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900244035] [2020-07-20 01:00:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,915 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:00:15,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900244035] [2020-07-20 01:00:15,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482059105] [2020-07-20 01:00:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@c68f06e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:15,762 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@c68f06e issued 3 check-sat command(s) [2020-07-20 01:00:15,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:15,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 01:00:15,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:00:15,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:00:15,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-20 01:00:15,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880713037] [2020-07-20 01:00:15,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:00:15,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:15,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:00:15,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:00:15,921 INFO L87 Difference]: Start difference. First operand 617 states and 724 transitions. Second operand 6 states. [2020-07-20 01:00:16,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:16,447 INFO L93 Difference]: Finished difference Result 1803 states and 2171 transitions. [2020-07-20 01:00:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:00:16,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-07-20 01:00:16,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:16,455 INFO L225 Difference]: With dead ends: 1803 [2020-07-20 01:00:16,455 INFO L226 Difference]: Without dead ends: 1210 [2020-07-20 01:00:16,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:00:16,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-07-20 01:00:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1207. [2020-07-20 01:00:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-07-20 01:00:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1414 transitions. [2020-07-20 01:00:16,684 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1414 transitions. Word has length 137 [2020-07-20 01:00:16,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:16,684 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1414 transitions. [2020-07-20 01:00:16,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:00:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1414 transitions. [2020-07-20 01:00:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-20 01:00:16,688 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:16,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:16,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:00:16,905 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:16,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:16,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1280705406, now seen corresponding path program 1 times [2020-07-20 01:00:16,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:16,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375221908] [2020-07-20 01:00:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,216 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:00:17,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375221908] [2020-07-20 01:00:17,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688120463] [2020-07-20 01:00:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@11eca316 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 01:00:18,177 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@11eca316 issued 3 check-sat command(s) [2020-07-20 01:00:18,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:18,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:00:18,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 01:00:18,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:00:18,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 11 [2020-07-20 01:00:18,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564137264] [2020-07-20 01:00:18,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:00:18,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:18,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:00:18,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:00:18,280 INFO L87 Difference]: Start difference. First operand 1207 states and 1414 transitions. Second operand 6 states. [2020-07-20 01:00:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:18,726 INFO L93 Difference]: Finished difference Result 2240 states and 2655 transitions. [2020-07-20 01:00:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:00:18,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-07-20 01:00:18,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:18,739 INFO L225 Difference]: With dead ends: 2240 [2020-07-20 01:00:18,739 INFO L226 Difference]: Without dead ends: 1207 [2020-07-20 01:00:18,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:00:18,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-07-20 01:00:19,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1207. [2020-07-20 01:00:19,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-07-20 01:00:19,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1410 transitions. [2020-07-20 01:00:19,012 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1410 transitions. Word has length 141 [2020-07-20 01:00:19,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:19,013 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1410 transitions. [2020-07-20 01:00:19,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:00:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1410 transitions. [2020-07-20 01:00:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-20 01:00:19,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:19,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:19,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:19,230 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:19,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:19,230 INFO L82 PathProgramCache]: Analyzing trace with hash 595777412, now seen corresponding path program 1 times [2020-07-20 01:00:19,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:19,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071774015] [2020-07-20 01:00:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,616 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:00:19,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071774015] [2020-07-20 01:00:19,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215134026] [2020-07-20 01:00:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@761a419e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:20,374 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@761a419e issued 3 check-sat command(s) [2020-07-20 01:00:20,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:20,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 01:00:20,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 01:00:20,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:00:20,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 13 [2020-07-20 01:00:20,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852486148] [2020-07-20 01:00:20,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:00:20,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:20,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:00:20,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:00:20,432 INFO L87 Difference]: Start difference. First operand 1207 states and 1410 transitions. Second operand 5 states. [2020-07-20 01:00:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:20,664 INFO L93 Difference]: Finished difference Result 2064 states and 2447 transitions. [2020-07-20 01:00:20,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:00:20,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-07-20 01:00:20,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:20,673 INFO L225 Difference]: With dead ends: 2064 [2020-07-20 01:00:20,673 INFO L226 Difference]: Without dead ends: 1021 [2020-07-20 01:00:20,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:00:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-07-20 01:00:20,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2020-07-20 01:00:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2020-07-20 01:00:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1190 transitions. [2020-07-20 01:00:20,892 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1190 transitions. Word has length 141 [2020-07-20 01:00:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:20,892 INFO L479 AbstractCegarLoop]: Abstraction has 1021 states and 1190 transitions. [2020-07-20 01:00:20,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:00:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1190 transitions. [2020-07-20 01:00:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 01:00:20,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:20,895 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:21,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 01:00:21,110 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:21,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:21,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1626419797, now seen corresponding path program 1 times [2020-07-20 01:00:21,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:21,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116581001] [2020-07-20 01:00:21,111 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,394 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:00:21,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116581001] [2020-07-20 01:00:21,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101839990] [2020-07-20 01:00:21,567 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10340e1e 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 01:00:22,221 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10340e1e issued 4 check-sat command(s) [2020-07-20 01:00:22,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:22,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:00:22,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 01:00:22,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:00:22,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 18 [2020-07-20 01:00:22,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012453974] [2020-07-20 01:00:22,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-20 01:00:22,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:22,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-20 01:00:22,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:00:22,488 INFO L87 Difference]: Start difference. First operand 1021 states and 1190 transitions. Second operand 18 states. [2020-07-20 01:00:23,412 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:23,652 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:23,883 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:24,463 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:25,589 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:26,169 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-20 01:00:26,485 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:26,739 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:28,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:28,542 INFO L93 Difference]: Finished difference Result 2052 states and 2481 transitions. [2020-07-20 01:00:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 01:00:28,543 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 145 [2020-07-20 01:00:28,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:28,550 INFO L225 Difference]: With dead ends: 2052 [2020-07-20 01:00:28,550 INFO L226 Difference]: Without dead ends: 1055 [2020-07-20 01:00:28,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2020-07-20 01:00:28,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-07-20 01:00:28,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 955. [2020-07-20 01:00:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-07-20 01:00:28,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1097 transitions. [2020-07-20 01:00:28,762 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1097 transitions. Word has length 145 [2020-07-20 01:00:28,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:28,763 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1097 transitions. [2020-07-20 01:00:28,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-20 01:00:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1097 transitions. [2020-07-20 01:00:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 01:00:28,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:28,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:28,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:28,980 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:28,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:28,980 INFO L82 PathProgramCache]: Analyzing trace with hash -248365737, now seen corresponding path program 1 times [2020-07-20 01:00:28,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:28,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044985704] [2020-07-20 01:00:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,347 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 01:00:29,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044985704] [2020-07-20 01:00:29,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753544976] [2020-07-20 01:00:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@100e5173 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:30,116 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@100e5173 issued 3 check-sat command(s) [2020-07-20 01:00:30,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:30,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:00:30,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:00:30,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:00:30,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 26 [2020-07-20 01:00:30,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438203571] [2020-07-20 01:00:30,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:00:30,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:30,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:00:30,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2020-07-20 01:00:30,435 INFO L87 Difference]: Start difference. First operand 955 states and 1097 transitions. Second operand 13 states. [2020-07-20 01:00:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:32,128 INFO L93 Difference]: Finished difference Result 2070 states and 2596 transitions. [2020-07-20 01:00:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:00:32,129 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 147 [2020-07-20 01:00:32,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:32,137 INFO L225 Difference]: With dead ends: 2070 [2020-07-20 01:00:32,137 INFO L226 Difference]: Without dead ends: 1273 [2020-07-20 01:00:32,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=162, Invalid=1098, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 01:00:32,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2020-07-20 01:00:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 935. [2020-07-20 01:00:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2020-07-20 01:00:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1064 transitions. [2020-07-20 01:00:32,319 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1064 transitions. Word has length 147 [2020-07-20 01:00:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:32,320 INFO L479 AbstractCegarLoop]: Abstraction has 935 states and 1064 transitions. [2020-07-20 01:00:32,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:00:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1064 transitions. [2020-07-20 01:00:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 01:00:32,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:32,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:32,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 01:00:32,538 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:32,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:32,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1413119151, now seen corresponding path program 1 times [2020-07-20 01:00:32,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:32,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198903012] [2020-07-20 01:00:32,539 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18de3472 [2020-07-20 01:00:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,806 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 01:00:33,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198903012] [2020-07-20 01:00:33,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28244332] [2020-07-20 01:00:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@26d9be0b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:33,543 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@26d9be0b issued 4 check-sat command(s) [2020-07-20 01:00:33,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:33,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:00:33,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:00:33,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:00:33,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2020-07-20 01:00:33,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698051083] [2020-07-20 01:00:33,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:00:33,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:33,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:00:33,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:00:33,750 INFO L87 Difference]: Start difference. First operand 935 states and 1064 transitions. Second operand 22 states. [2020-07-20 01:00:34,429 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:35,187 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:35,492 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:00:35,844 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:00:37,259 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:37,663 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:00:37,953 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:38,240 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:38,545 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:38,781 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:00:39,038 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:40,348 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:00:40,628 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:00:40,888 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:00:41,137 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:41,386 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:00:41,645 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:41,953 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:42,256 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:46,373 INFO L93 Difference]: Finished difference Result 2018 states and 2777 transitions. [2020-07-20 01:00:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-20 01:00:46,373 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 149 [2020-07-20 01:00:46,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:46,375 INFO L225 Difference]: With dead ends: 2018 [2020-07-20 01:00:46,375 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:00:46,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1876 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1076, Invalid=5086, Unknown=0, NotChecked=0, Total=6162 [2020-07-20 01:00:46,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:00:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:00:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:00:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:00:46,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-20 01:00:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:46,386 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:00:46,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:00:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:00:46,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:00:46,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:46,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:00:49,181 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 272 [2020-07-20 01:00:53,244 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 316 [2020-07-20 01:00:54,797 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 278 [2020-07-20 01:00:55,676 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 331 [2020-07-20 01:00:57,750 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-07-20 01:00:57,922 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-20 01:00:58,095 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 01:00:58,405 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 34 [2020-07-20 01:00:59,088 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-20 01:00:59,261 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-20 01:01:00,008 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-20 01:01:00,694 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 28 [2020-07-20 01:01:01,282 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-07-20 01:01:01,641 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-07-20 01:01:01,820 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 01:01:02,395 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-07-20 01:01:02,581 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 01:01:02,882 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-20 01:01:03,286 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-20 01:01:04,172 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 36 [2020-07-20 01:01:04,342 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-20 01:01:05,806 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 194 DAG size of output: 40 [2020-07-20 01:01:06,981 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 179 DAG size of output: 28 [2020-07-20 01:01:07,162 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-20 01:01:07,745 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-20 01:01:09,076 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 191 DAG size of output: 50 [2020-07-20 01:01:10,137 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2020-07-20 01:01:10,921 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 30 [2020-07-20 01:01:11,611 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 34 [2020-07-20 01:01:12,307 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-20 01:01:13,405 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 252 DAG size of output: 33 [2020-07-20 01:01:14,124 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 32 [2020-07-20 01:01:14,401 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-20 01:01:14,585 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-20 01:01:14,755 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:01:14,928 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 01:01:15,112 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-20 01:01:15,278 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-20 01:01:15,429 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-07-20 01:01:15,709 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-20 01:01:16,287 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-07-20 01:01:17,195 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 40 [2020-07-20 01:01:17,374 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-20 01:01:17,561 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 01:01:18,488 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-07-20 01:01:18,678 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-20 01:01:18,991 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-20 01:01:19,173 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-20 01:01:20,451 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 267 DAG size of output: 32 [2020-07-20 01:01:20,806 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2020-07-20 01:01:22,305 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 191 DAG size of output: 43 [2020-07-20 01:01:22,881 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 21 [2020-07-20 01:01:23,092 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 01:01:23,280 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:01:23,286 INFO L268 CegarLoopResult]: For program point L610-1(lines 610 614) no Hoare annotation was computed. [2020-07-20 01:01:23,286 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-07-20 01:01:23,286 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2020-07-20 01:01:23,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 579 634) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point L626(lines 603 627) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-20 01:01:23,287 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point L687(lines 660 688) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-20 01:01:23,288 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-20 01:01:23,289 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 01:01:23,289 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 01:01:23,289 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 01:01:23,289 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 01:01:23,289 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 01:01:23,289 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,289 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2020-07-20 01:01:23,290 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,290 INFO L264 CegarLoopResult]: At program point L977-1(line 977) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,290 INFO L268 CegarLoopResult]: For program point L975(lines 975 982) no Hoare annotation was computed. [2020-07-20 01:01:23,290 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2020-07-20 01:01:23,290 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-20 01:01:23,290 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2020-07-20 01:01:23,290 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,291 INFO L264 CegarLoopResult]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,291 INFO L264 CegarLoopResult]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-20 01:01:23,291 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-20 01:01:23,292 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-20 01:01:23,293 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2020-07-20 01:01:23,293 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2020-07-20 01:01:23,293 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2020-07-20 01:01:23,293 INFO L268 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-07-20 01:01:23,293 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2020-07-20 01:01:23,293 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-20 01:01:23,293 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2020-07-20 01:01:23,293 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point L321(lines 321 329) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point L321-2(lines 321 329) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-07-20 01:01:23,294 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 314 349) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point L333(lines 333 341) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2020-07-20 01:01:23,295 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 533 578) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point L860(lines 860 880) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point L860-1(lines 860 880) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 846 891) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-07-20 01:01:23,296 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,297 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2020-07-20 01:01:23,297 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2020-07-20 01:01:23,297 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2020-07-20 01:01:23,297 INFO L271 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: true [2020-07-20 01:01:23,297 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2020-07-20 01:01:23,297 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-20 01:01:23,297 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2020-07-20 01:01:23,297 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point L473(lines 473 479) no Hoare annotation was computed. [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2020-07-20 01:01:23,298 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point L257(lines 257 274) no Hoare annotation was computed. [2020-07-20 01:01:23,298 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2020-07-20 01:01:23,299 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse5 .cse8 .cse4))) [2020-07-20 01:01:23,299 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse6 .cse1 .cse7 .cse3) (or .cse4 .cse0 .cse2 .cse3))) [2020-07-20 01:01:23,299 INFO L268 CegarLoopResult]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2020-07-20 01:01:23,299 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse1 .cse3) (or .cse4 .cse0 .cse2 .cse3))) [2020-07-20 01:01:23,299 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse1 .cse3))) [2020-07-20 01:01:23,299 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-07-20 01:01:23,300 INFO L264 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse5 .cse4))) [2020-07-20 01:01:23,300 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 01:01:23,300 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2020-07-20 01:01:23,300 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2020-07-20 01:01:23,300 INFO L264 CegarLoopResult]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,301 INFO L268 CegarLoopResult]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2020-07-20 01:01:23,301 INFO L264 CegarLoopResult]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:01:23,301 INFO L268 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-07-20 01:01:23,301 INFO L264 CegarLoopResult]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not .cse4) (and .cse1 .cse6 .cse2 .cse5))) [2020-07-20 01:01:23,301 INFO L268 CegarLoopResult]: For program point L102(lines 101 146) no Hoare annotation was computed. [2020-07-20 01:01:23,301 INFO L268 CegarLoopResult]: For program point L131(lines 131 142) no Hoare annotation was computed. [2020-07-20 01:01:23,301 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse1 .cse6 .cse2 .cse5) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-20 01:01:23,302 INFO L268 CegarLoopResult]: For program point L121(lines 121 127) no Hoare annotation was computed. [2020-07-20 01:01:23,302 INFO L268 CegarLoopResult]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2020-07-20 01:01:23,302 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse5 .cse6) (and (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not .cse6) (and .cse1 .cse7 .cse4 .cse5 .cse6))) [2020-07-20 01:01:23,302 INFO L264 CegarLoopResult]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse5 .cse6) (and (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not .cse6) (and .cse1 .cse7 .cse4 .cse5 .cse6))) [2020-07-20 01:01:23,302 INFO L268 CegarLoopResult]: For program point L111(lines 111 117) no Hoare annotation was computed. [2020-07-20 01:01:23,302 INFO L268 CegarLoopResult]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2020-07-20 01:01:23,302 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point L820(lines 820 827) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 800 845) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point L814(lines 814 834) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point L814-1(lines 814 834) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-20 01:01:23,303 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2020-07-20 01:01:23,303 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point L445(lines 445 453) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point L445-2(lines 445 453) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 437 459) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:01:23,304 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L785(lines 785 796) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2020-07-20 01:01:23,305 INFO L268 CegarLoopResult]: For program point L767(lines 745 768) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point L726(lines 726 742) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point L786(lines 786 793) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point L747(lines 746 766) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point L743(lines 743 784) no Hoare annotation was computed. [2020-07-20 01:01:23,306 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,307 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |#t~string71.base| |old(#t~string71.base)|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string71.offset)| |#t~string71.offset|) (= |old(#t~string34.base)| |#t~string34.base|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |#t~string72.base| |old(#t~string72.base)|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |old(#t~string16.base)| |#t~string16.base|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#t~string36.base)| |#t~string36.base|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |#t~string10.base| |old(#t~string10.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |old(#t~string34.offset)| |#t~string34.offset|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string12.offset)| |#t~string12.offset|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:01:23,307 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,307 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2020-07-20 01:01:23,307 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2020-07-20 01:01:23,307 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:01:23,308 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2020-07-20 01:01:23,308 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-20 01:01:23,308 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2020-07-20 01:01:23,309 INFO L271 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: true [2020-07-20 01:01:23,309 INFO L268 CegarLoopResult]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2020-07-20 01:01:23,309 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2020-07-20 01:01:23,309 INFO L268 CegarLoopResult]: For program point L357-1(line 357) no Hoare annotation was computed. [2020-07-20 01:01:23,309 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2020-07-20 01:01:23,309 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2020-07-20 01:01:23,310 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2020-07-20 01:01:23,310 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 .cse2 .cse5 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse4) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse3 .cse6 .cse4))) [2020-07-20 01:01:23,310 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2020-07-20 01:01:23,310 INFO L268 CegarLoopResult]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2020-07-20 01:01:23,310 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,311 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,311 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,311 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (and .cse8 .cse9 .cse11)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse4) (or .cse5 .cse7 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse3 (and .cse8 .cse9 .cse10) (and .cse8 .cse11) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse8 .cse10) .cse1 .cse2 .cse4)))) [2020-07-20 01:01:23,311 INFO L264 CegarLoopResult]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (= 1 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse18 (= 0 ~methaneLevelCritical~0)) (.cse12 (= 0 ~pumpRunning~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (and .cse12 .cse19 .cse7)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse14 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (and .cse12 .cse7)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not .cse18)) (.cse2 (and .cse16 .cse19 .cse13)) (.cse5 (and .cse18 .cse9 .cse12 .cse19 .cse13 .cse17)) (.cse6 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 ~waterLevel~0) .cse7 .cse8) .cse9 .cse1 .cse10 .cse3 .cse6) (or .cse11 (and .cse7 .cse8) .cse9 .cse3 .cse4 .cse6) (or .cse11 .cse0 (and .cse12 .cse13) .cse10 .cse3 .cse6) (or .cse14 .cse15 .cse11 .cse9 .cse6) (or .cse14 .cse15 .cse0 (and .cse16 .cse7) .cse1 .cse2 .cse5 .cse6)))) [2020-07-20 01:01:23,311 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse11 .cse12)) (.cse0 (and (= 0 ~pumpRunning~0) .cse12)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= 2 ~waterLevel~0) .cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse7 .cse4) (or .cse8 .cse5 .cse2 .cse9 .cse4) (or .cse8 .cse10 .cse5 .cse9 .cse4) (or .cse0 .cse10 .cse1 .cse3 .cse4) (or .cse10 .cse5 .cse3 .cse6 .cse7 .cse4)))) [2020-07-20 01:01:23,312 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse5 .cse1 .cse6 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse2 (and (<= 2 ~waterLevel~0) .cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 2 |old(~waterLevel~0)|)) .cse3)))) [2020-07-20 01:01:23,312 INFO L268 CegarLoopResult]: For program point L173(lines 172 191) no Hoare annotation was computed. [2020-07-20 01:01:23,312 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2020-07-20 01:01:23,312 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2020-07-20 01:01:23,312 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2020-07-20 01:01:23,312 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2020-07-20 01:01:23,313 INFO L271 CegarLoopResult]: At program point L919(lines 894 923) the Hoare annotation is: true [2020-07-20 01:01:23,313 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-07-20 01:01:23,313 INFO L268 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2020-07-20 01:01:23,313 INFO L271 CegarLoopResult]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2020-07-20 01:01:23,314 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-20 01:01:23,314 INFO L271 CegarLoopResult]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2020-07-20 01:01:23,314 INFO L271 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: true [2020-07-20 01:01:23,314 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-20 01:01:23,314 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2020-07-20 01:01:23,314 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2020-07-20 01:01:23,314 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2020-07-20 01:01:23,314 INFO L268 CegarLoopResult]: For program point L512(lines 512 518) no Hoare annotation was computed. [2020-07-20 01:01:23,315 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 __utac_acc__Specification3_spec__1_~tmp___0~3) (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6)) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse5 .cse6 .cse3))) [2020-07-20 01:01:23,315 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-07-20 01:01:23,315 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2020-07-20 01:01:23,315 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-07-20 01:01:23,315 INFO L268 CegarLoopResult]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2020-07-20 01:01:23,315 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse7 .cse2 .cse3 .cse4) (or .cse7 .cse5 (not (<= 2 ~waterLevel~0)) .cse6 .cse4))) [2020-07-20 01:01:23,315 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2020-07-20 01:01:23,315 INFO L268 CegarLoopResult]: For program point L506-1(line 506) no Hoare annotation was computed. [2020-07-20 01:01:23,316 INFO L268 CegarLoopResult]: For program point L502(lines 502 522) no Hoare annotation was computed. [2020-07-20 01:01:23,316 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-07-20 01:01:23,317 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-07-20 01:01:23,317 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse5 .cse6 .cse3))) [2020-07-20 01:01:23,317 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse4 .cse0 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse1 .cse2 .cse3))) [2020-07-20 01:01:23,317 INFO L268 CegarLoopResult]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2020-07-20 01:01:23,317 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2020-07-20 01:01:23,317 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2020-07-20 01:01:23,317 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2020-07-20 01:01:23,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,318 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:01:23,318 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:01:23,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:23,318 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-20 01:01:23,318 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-20 01:01:23,318 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2020-07-20 01:01:23,319 INFO L268 CegarLoopResult]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2020-07-20 01:01:23,319 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 1))) (let ((.cse2 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not .cse4)) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse6 .cse7 .cse5) (or (and .cse2 .cse3) .cse1 .cse6 .cse7 .cse5) (or .cse0 .cse1 .cse6 (not (<= 2 ~waterLevel~0)) .cse5)))) [2020-07-20 01:01:23,319 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse3 (and (<= 2 ~waterLevel~0) .cse5 .cse6) .cse2) (or (and .cse5 .cse6) .cse4 .cse3 .cse0 .cse2))) [2020-07-20 01:01:23,319 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-20 01:01:23,319 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-20 01:01:23,319 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-20 01:01:23,319 INFO L268 CegarLoopResult]: For program point L205(lines 205 222) no Hoare annotation was computed. [2020-07-20 01:01:23,320 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2020-07-20 01:01:23,320 INFO L268 CegarLoopResult]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2020-07-20 01:01:23,320 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5) (or .cse1 .cse9 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse9 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse7 .cse8 .cse5))) [2020-07-20 01:01:23,320 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:01:23,320 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:01:23,320 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:01:23,320 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:01:23,320 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2020-07-20 01:01:23,321 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-20 01:01:23,321 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-20 01:01:23,321 INFO L268 CegarLoopResult]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2020-07-20 01:01:23,321 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-20 01:01:23,321 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-20 01:01:23,321 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-07-20 01:01:23,322 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-20 01:01:23,322 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-20 01:01:23,322 INFO L268 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-07-20 01:01:23,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:23 BoogieIcfgContainer [2020-07-20 01:01:23,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:01:23,350 INFO L168 Benchmark]: Toolchain (without parser) took 103906.81 ms. Allocated memory was 142.1 MB in the beginning and 1.1 GB in the end (delta: 925.4 MB). Free memory was 97.6 MB in the beginning and 470.2 MB in the end (delta: -372.6 MB). Peak memory consumption was 947.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:23,351 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 142.1 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:01:23,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.24 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 97.2 MB in the beginning and 168.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:23,355 INFO L168 Benchmark]: Boogie Preprocessor took 93.17 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:23,355 INFO L168 Benchmark]: RCFGBuilder took 1291.31 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 164.7 MB in the beginning and 193.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:23,356 INFO L168 Benchmark]: TraceAbstraction took 101785.02 ms. Allocated memory was 228.1 MB in the beginning and 1.1 GB in the end (delta: 839.4 MB). Free memory was 193.1 MB in the beginning and 470.2 MB in the end (delta: -277.1 MB). Peak memory consumption was 956.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:23,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 142.1 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.24 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 97.2 MB in the beginning and 168.9 MB in the end (delta: -71.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.17 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1291.31 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 164.7 MB in the beginning and 193.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 101785.02 ms. Allocated memory was 228.1 MB in the beginning and 1.1 GB in the end (delta: 839.4 MB). Free memory was 193.1 MB in the beginning and 470.2 MB in the end (delta: -277.1 MB). Peak memory consumption was 956.6 MB. 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: 101]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 2) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && waterLevel <= 2) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 49.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2439 SDtfs, 4541 SDslu, 5038 SDs, 0 SdLazy, 15517 SolverSat, 3155 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1693 GetRequests, 1407 SyntacticMatches, 2 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2565 ImplicationChecksByTransitivity, 21.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1207occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 780 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4244 PreInvPairs, 4695 NumberOfFragments, 3072 HoareAnnotationTreeSize, 4244 FomulaSimplifications, 10636486 FormulaSimplificationTreeSizeReduction, 10.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 296487 FormulaSimplificationTreeSizeReductionInter, 26.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 2419 NumberOfCodeBlocks, 2285 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2398 ConstructedInterpolants, 0 QuantifiedInterpolants, 800505 SizeOfPredicates, 25 NumberOfNonLiveVariables, 4889 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 21 InterpolantComputations, 13 PerfectInterpolantSequences, 355/380 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...