/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:59:04,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:59:04,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:59:04,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:59:04,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:59:04,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:59:04,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:59:04,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:59:04,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:59:04,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:59:04,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:59:04,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:59:04,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:59:04,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:59:04,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:59:04,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:59:04,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:59:04,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:59:04,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:59:04,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:59:04,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:59:04,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:59:04,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:59:04,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:59:04,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:59:04,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:59:04,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:59:04,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:59:04,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:59:04,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:59:04,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:59:04,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:59:04,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:59:04,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:59:04,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:59:04,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:59:04,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:59:04,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:59:04,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:59:04,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:59:04,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:59:04,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:59:04,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:59:04,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:59:04,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:59:04,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:59:04,171 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:59:04,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:59:04,172 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:59:04,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:59:04,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:59:04,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:59:04,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:59:04,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:59:04,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:59:04,173 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:59:04,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:59:04,173 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:59:04,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:59:04,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:59:04,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:59:04,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:59:04,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:59:04,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:59:04,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:59:04,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:59:04,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:59:04,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:59:04,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:59:04,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:59:04,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:59:04,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:59:04,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:59:04,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:59:04,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:59:04,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:59:04,491 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:59:04,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-19 22:59:04,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd192a96/19b9f10c0f474163a887c2b489629887/FLAG7b10f3780 [2020-07-19 22:59:05,040 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:59:05,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-19 22:59:05,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd192a96/19b9f10c0f474163a887c2b489629887/FLAG7b10f3780 [2020-07-19 22:59:05,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd192a96/19b9f10c0f474163a887c2b489629887 [2020-07-19 22:59:05,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:59:05,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:59:05,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:05,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:59:05,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:59:05,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:05" (1/1) ... [2020-07-19 22:59:05,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349ba14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:05, skipping insertion in model container [2020-07-19 22:59:05,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:05" (1/1) ... [2020-07-19 22:59:05,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:59:05,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:59:05,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:05,807 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:59:05,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:06,029 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:59:06,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06 WrapperNode [2020-07-19 22:59:06,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:06,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:59:06,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:59:06,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:59:06,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... [2020-07-19 22:59:06,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:59:06,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:59:06,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:59:06,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:59:06,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:59:06,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:59:06,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:59:06,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:59:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:59:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:59:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:59:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:59:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:59:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:59:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:59:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:59:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:59:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:59:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:59:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:59:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:59:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:59:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:59:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:59:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:59:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:59:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:59:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:59:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:59:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:59:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:59:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:59:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:59:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:59:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:59:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:59:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:59:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:59:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:59:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:59:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:59:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:59:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:59:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:59:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:59:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:59:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:59:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:59:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:59:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:59:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:59:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:59:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:59:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:59:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:59:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:59:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:59:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:59:07,466 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:59:07,467 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:59:07,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:07 BoogieIcfgContainer [2020-07-19 22:59:07,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:59:07,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:59:07,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:59:07,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:59:07,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:59:05" (1/3) ... [2020-07-19 22:59:07,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7514e58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:07, skipping insertion in model container [2020-07-19 22:59:07,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:06" (2/3) ... [2020-07-19 22:59:07,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7514e58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:07, skipping insertion in model container [2020-07-19 22:59:07,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:07" (3/3) ... [2020-07-19 22:59:07,487 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-07-19 22:59:07,498 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:59:07,507 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:59:07,523 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:59:07,550 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:59:07,550 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:59:07,550 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:59:07,551 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:59:07,551 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:59:07,551 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:59:07,551 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:59:07,551 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:59:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-19 22:59:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:59:07,585 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:07,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:07,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:07,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:07,593 INFO L82 PathProgramCache]: Analyzing trace with hash -229262266, now seen corresponding path program 1 times [2020-07-19 22:59:07,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:07,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94888931] [2020-07-19 22:59:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,256 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:08,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94888931] [2020-07-19 22:59:08,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:08,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:59:08,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177355777] [2020-07-19 22:59:08,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:59:08,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:08,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:59:08,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:59:08,424 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 4 states. [2020-07-19 22:59:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:09,641 INFO L93 Difference]: Finished difference Result 345 states and 435 transitions. [2020-07-19 22:59:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:59:09,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:59:09,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:09,659 INFO L225 Difference]: With dead ends: 345 [2020-07-19 22:59:09,660 INFO L226 Difference]: Without dead ends: 189 [2020-07-19 22:59:09,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:59:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-07-19 22:59:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 157. [2020-07-19 22:59:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-19 22:59:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-07-19 22:59:09,782 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-07-19 22:59:09,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:09,782 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-07-19 22:59:09,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:59:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-07-19 22:59:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:59:09,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:09,787 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:09,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:59:09,787 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:09,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:09,788 INFO L82 PathProgramCache]: Analyzing trace with hash -751857026, now seen corresponding path program 1 times [2020-07-19 22:59:09,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:09,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930198436] [2020-07-19 22:59:09,788 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,170 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:10,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930198436] [2020-07-19 22:59:10,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:10,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:59:10,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501767956] [2020-07-19 22:59:10,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:59:10,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:10,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:59:10,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:59:10,251 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 5 states. [2020-07-19 22:59:10,735 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:11,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:11,775 INFO L93 Difference]: Finished difference Result 286 states and 343 transitions. [2020-07-19 22:59:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:59:11,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:59:11,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:11,783 INFO L225 Difference]: With dead ends: 286 [2020-07-19 22:59:11,783 INFO L226 Difference]: Without dead ends: 179 [2020-07-19 22:59:11,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:59:11,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-19 22:59:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 148. [2020-07-19 22:59:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-19 22:59:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2020-07-19 22:59:11,828 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2020-07-19 22:59:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:11,829 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2020-07-19 22:59:11,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:59:11,829 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2020-07-19 22:59:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:59:11,831 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:11,832 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:11,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:59:11,832 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:11,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:11,833 INFO L82 PathProgramCache]: Analyzing trace with hash -8533593, now seen corresponding path program 1 times [2020-07-19 22:59:11,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:11,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783803946] [2020-07-19 22:59:11,833 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,196 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:12,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783803946] [2020-07-19 22:59:12,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:12,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:12,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805498034] [2020-07-19 22:59:12,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:12,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:12,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:12,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:12,348 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 9 states. [2020-07-19 22:59:12,723 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:13,022 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:13,280 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:13,530 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:14,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:14,863 INFO L93 Difference]: Finished difference Result 299 states and 362 transitions. [2020-07-19 22:59:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:59:14,865 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:59:14,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:14,871 INFO L225 Difference]: With dead ends: 299 [2020-07-19 22:59:14,871 INFO L226 Difference]: Without dead ends: 179 [2020-07-19 22:59:14,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:59:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-19 22:59:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 148. [2020-07-19 22:59:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-19 22:59:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2020-07-19 22:59:14,917 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2020-07-19 22:59:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:14,918 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2020-07-19 22:59:14,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2020-07-19 22:59:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-19 22:59:14,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:14,922 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:14,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:59:14,922 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2138732759, now seen corresponding path program 1 times [2020-07-19 22:59:14,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:14,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135557981] [2020-07-19 22:59:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,226 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:15,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135557981] [2020-07-19 22:59:15,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:15,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:59:15,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345424187] [2020-07-19 22:59:15,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:59:15,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:15,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:59:15,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:59:15,342 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 7 states. [2020-07-19 22:59:15,693 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:17,185 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:17,690 INFO L93 Difference]: Finished difference Result 403 states and 496 transitions. [2020-07-19 22:59:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:59:17,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-19 22:59:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:17,695 INFO L225 Difference]: With dead ends: 403 [2020-07-19 22:59:17,695 INFO L226 Difference]: Without dead ends: 283 [2020-07-19 22:59:17,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:59:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-19 22:59:17,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 237. [2020-07-19 22:59:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-07-19 22:59:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2020-07-19 22:59:17,745 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2020-07-19 22:59:17,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:17,746 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2020-07-19 22:59:17,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:59:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2020-07-19 22:59:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 22:59:17,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:17,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:17,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:59:17,750 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:17,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2116914143, now seen corresponding path program 1 times [2020-07-19 22:59:17,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:17,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191921190] [2020-07-19 22:59:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,066 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:59:18,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191921190] [2020-07-19 22:59:18,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:18,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:18,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232842347] [2020-07-19 22:59:18,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:18,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:18,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:18,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:18,172 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 9 states. [2020-07-19 22:59:18,612 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:19,258 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:20,087 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:20,338 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:20,757 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:20,978 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:21,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:21,545 INFO L93 Difference]: Finished difference Result 491 states and 592 transitions. [2020-07-19 22:59:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:59:21,546 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-19 22:59:21,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:21,549 INFO L225 Difference]: With dead ends: 491 [2020-07-19 22:59:21,549 INFO L226 Difference]: Without dead ends: 282 [2020-07-19 22:59:21,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:59:21,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-19 22:59:21,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 236. [2020-07-19 22:59:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-19 22:59:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2020-07-19 22:59:21,606 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2020-07-19 22:59:21,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:21,606 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2020-07-19 22:59:21,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2020-07-19 22:59:21,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-19 22:59:21,609 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:21,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:21,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:59:21,610 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:21,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:21,610 INFO L82 PathProgramCache]: Analyzing trace with hash 660673946, now seen corresponding path program 1 times [2020-07-19 22:59:21,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:21,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160619154] [2020-07-19 22:59:21,611 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,945 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:22,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160619154] [2020-07-19 22:59:22,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:22,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:59:22,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788448438] [2020-07-19 22:59:22,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:59:22,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:22,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:59:22,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:59:22,085 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 9 states. [2020-07-19 22:59:23,025 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:23,262 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:23,522 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:23,755 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:24,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:24,642 INFO L93 Difference]: Finished difference Result 491 states and 595 transitions. [2020-07-19 22:59:24,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:59:24,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-19 22:59:24,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:24,645 INFO L225 Difference]: With dead ends: 491 [2020-07-19 22:59:24,645 INFO L226 Difference]: Without dead ends: 283 [2020-07-19 22:59:24,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:59:24,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-19 22:59:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2020-07-19 22:59:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-07-19 22:59:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2020-07-19 22:59:24,688 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2020-07-19 22:59:24,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:24,689 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2020-07-19 22:59:24,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:59:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2020-07-19 22:59:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-19 22:59:24,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:24,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:24,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:59:24,691 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:24,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:24,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1706020648, now seen corresponding path program 1 times [2020-07-19 22:59:24,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:24,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912573357] [2020-07-19 22:59:24,692 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:24,952 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:25,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912573357] [2020-07-19 22:59:25,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:25,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:59:25,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926796849] [2020-07-19 22:59:25,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:59:25,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:25,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:59:25,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:59:25,142 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 11 states. [2020-07-19 22:59:25,680 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:25,912 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:26,132 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:26,817 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:27,060 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:27,316 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:28,195 INFO L93 Difference]: Finished difference Result 501 states and 606 transitions. [2020-07-19 22:59:28,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:59:28,197 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-19 22:59:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:28,201 INFO L225 Difference]: With dead ends: 501 [2020-07-19 22:59:28,201 INFO L226 Difference]: Without dead ends: 288 [2020-07-19 22:59:28,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:59:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-07-19 22:59:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 245. [2020-07-19 22:59:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-07-19 22:59:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2020-07-19 22:59:28,246 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2020-07-19 22:59:28,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:28,247 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2020-07-19 22:59:28,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:59:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2020-07-19 22:59:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-19 22:59:28,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:28,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:28,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:59:28,249 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:28,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:28,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1946560777, now seen corresponding path program 1 times [2020-07-19 22:59:28,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:28,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493606238] [2020-07-19 22:59:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,580 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:28,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493606238] [2020-07-19 22:59:28,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:28,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:59:28,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314198965] [2020-07-19 22:59:28,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:59:28,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:28,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:59:28,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:59:28,750 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 7 states. [2020-07-19 22:59:29,309 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:30,036 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:31,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:31,902 INFO L93 Difference]: Finished difference Result 683 states and 844 transitions. [2020-07-19 22:59:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:59:31,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-07-19 22:59:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:31,905 INFO L225 Difference]: With dead ends: 683 [2020-07-19 22:59:31,905 INFO L226 Difference]: Without dead ends: 466 [2020-07-19 22:59:31,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:59:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-07-19 22:59:31,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 424. [2020-07-19 22:59:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-19 22:59:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 492 transitions. [2020-07-19 22:59:31,983 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 492 transitions. Word has length 108 [2020-07-19 22:59:31,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:31,983 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 492 transitions. [2020-07-19 22:59:31,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:59:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 492 transitions. [2020-07-19 22:59:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-19 22:59:31,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:31,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:31,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:59:31,986 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:31,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:31,986 INFO L82 PathProgramCache]: Analyzing trace with hash 79738257, now seen corresponding path program 1 times [2020-07-19 22:59:31,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:31,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011157707] [2020-07-19 22:59:31,987 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,295 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:59:32,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011157707] [2020-07-19 22:59:32,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:59:32,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:59:32,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635837728] [2020-07-19 22:59:32,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:59:32,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:32,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:59:32,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:59:32,490 INFO L87 Difference]: Start difference. First operand 424 states and 492 transitions. Second operand 12 states. [2020-07-19 22:59:33,045 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:33,657 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:34,699 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:35,023 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:35,292 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:35,573 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:35,864 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:37,329 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:37,606 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:38,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:38,416 INFO L93 Difference]: Finished difference Result 1180 states and 1453 transitions. [2020-07-19 22:59:38,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:59:38,420 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-19 22:59:38,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:38,425 INFO L225 Difference]: With dead ends: 1180 [2020-07-19 22:59:38,426 INFO L226 Difference]: Without dead ends: 858 [2020-07-19 22:59:38,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:59:38,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-07-19 22:59:38,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 736. [2020-07-19 22:59:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-07-19 22:59:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 846 transitions. [2020-07-19 22:59:38,567 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 846 transitions. Word has length 112 [2020-07-19 22:59:38,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:38,568 INFO L479 AbstractCegarLoop]: Abstraction has 736 states and 846 transitions. [2020-07-19 22:59:38,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:59:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 846 transitions. [2020-07-19 22:59:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-19 22:59:38,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:38,572 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:38,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:59:38,572 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:38,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:38,573 INFO L82 PathProgramCache]: Analyzing trace with hash -992810877, now seen corresponding path program 1 times [2020-07-19 22:59:38,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:38,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081004369] [2020-07-19 22:59:38,574 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:38,957 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 22:59:39,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081004369] [2020-07-19 22:59:39,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856332110] [2020-07-19 22:59:39,351 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@65abe4e7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:59:40,053 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@65abe4e7 issued 4 check-sat command(s) [2020-07-19 22:59:40,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:40,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:59:40,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:59:40,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:40,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:59:40,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058358930] [2020-07-19 22:59:40,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:59:40,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:40,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:59:40,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:59:40,312 INFO L87 Difference]: Start difference. First operand 736 states and 846 transitions. Second operand 20 states. [2020-07-19 22:59:40,871 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:41,235 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:59:41,524 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:59:41,809 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:59:42,535 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:59:42,835 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:59:43,269 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 22:59:44,095 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 22:59:44,816 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:45,379 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:59:45,853 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:46,117 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:46,427 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:59:47,035 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:47,499 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:59:47,877 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:48,582 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:59:48,845 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:49,462 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:49,967 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:50,238 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:59:50,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:59:50,554 INFO L93 Difference]: Finished difference Result 1637 states and 1941 transitions. [2020-07-19 22:59:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-19 22:59:50,554 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 174 [2020-07-19 22:59:50,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:59:50,560 INFO L225 Difference]: With dead ends: 1637 [2020-07-19 22:59:50,561 INFO L226 Difference]: Without dead ends: 999 [2020-07-19 22:59:50,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-19 22:59:50,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-07-19 22:59:50,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 886. [2020-07-19 22:59:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-07-19 22:59:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1025 transitions. [2020-07-19 22:59:50,690 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1025 transitions. Word has length 174 [2020-07-19 22:59:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:59:50,691 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1025 transitions. [2020-07-19 22:59:50,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:59:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1025 transitions. [2020-07-19 22:59:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-07-19 22:59:50,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:50,698 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:59:50,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:59:50,911 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:50,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:50,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1611643875, now seen corresponding path program 1 times [2020-07-19 22:59:50,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:50,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188886611] [2020-07-19 22:59:50,914 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 22:59:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,208 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:59:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-07-19 22:59:51,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188886611] [2020-07-19 22:59:51,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961032285] [2020-07-19 22:59:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@401a13cb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:59:52,500 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@401a13cb issued 3 check-sat command(s) [2020-07-19 22:59:52,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:59:52,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 22:59:52,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:59:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-19 22:59:52,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:59:52,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-19 22:59:52,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086873673] [2020-07-19 22:59:52,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 22:59:52,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:59:52,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 22:59:52,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:59:52,861 INFO L87 Difference]: Start difference. First operand 886 states and 1025 transitions. Second operand 24 states. [2020-07-19 22:59:53,416 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:54,232 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:54,999 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:59:55,681 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:56,200 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 22:59:56,671 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 22:59:56,912 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:59:57,220 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:59:57,482 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:01,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:01,135 INFO L93 Difference]: Finished difference Result 2119 states and 2766 transitions. [2020-07-19 23:00:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 23:00:01,135 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 311 [2020-07-19 23:00:01,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:01,144 INFO L225 Difference]: With dead ends: 2119 [2020-07-19 23:00:01,144 INFO L226 Difference]: Without dead ends: 1284 [2020-07-19 23:00:01,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 422 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-19 23:00:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-07-19 23:00:01,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 894. [2020-07-19 23:00:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-19 23:00:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1020 transitions. [2020-07-19 23:00:01,288 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1020 transitions. Word has length 311 [2020-07-19 23:00:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:01,288 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1020 transitions. [2020-07-19 23:00:01,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 23:00:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1020 transitions. [2020-07-19 23:00:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-07-19 23:00:01,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:01,293 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:00:01,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:01,507 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:01,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1877558929, now seen corresponding path program 1 times [2020-07-19 23:00:01,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:01,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409453057] [2020-07-19 23:00:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 23:00:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,833 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-07-19 23:00:02,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409453057] [2020-07-19 23:00:02,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296091231] [2020-07-19 23:00:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@370f42f7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:02,910 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@370f42f7 issued 3 check-sat command(s) [2020-07-19 23:00:02,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:02,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 23:00:02,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 255 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-19 23:00:03,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:00:03,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 23:00:03,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519003025] [2020-07-19 23:00:03,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 23:00:03,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:03,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 23:00:03,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 23:00:03,212 INFO L87 Difference]: Start difference. First operand 894 states and 1020 transitions. Second operand 22 states. [2020-07-19 23:00:03,949 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 23:00:04,518 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:00:05,027 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:00:05,493 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 23:00:06,506 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:00:07,680 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:00:08,158 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 23:00:08,655 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:09,347 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:10,150 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:10,392 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:11,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:11,165 INFO L93 Difference]: Finished difference Result 1736 states and 2042 transitions. [2020-07-19 23:00:11,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 23:00:11,166 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 323 [2020-07-19 23:00:11,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:11,174 INFO L225 Difference]: With dead ends: 1736 [2020-07-19 23:00:11,174 INFO L226 Difference]: Without dead ends: 963 [2020-07-19 23:00:11,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 23:00:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-07-19 23:00:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 894. [2020-07-19 23:00:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-19 23:00:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1017 transitions. [2020-07-19 23:00:11,385 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1017 transitions. Word has length 323 [2020-07-19 23:00:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:11,385 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1017 transitions. [2020-07-19 23:00:11,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 23:00:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1017 transitions. [2020-07-19 23:00:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-19 23:00:11,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:11,392 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:00:11,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 23:00:11,606 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:11,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:11,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1286733802, now seen corresponding path program 1 times [2020-07-19 23:00:11,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:11,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275642324] [2020-07-19 23:00:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 23:00:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,955 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-07-19 23:00:12,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275642324] [2020-07-19 23:00:12,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723050508] [2020-07-19 23:00:12,322 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4118d289 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:12,991 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4118d289 issued 3 check-sat command(s) [2020-07-19 23:00:12,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:12,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-19 23:00:13,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:13,096 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:00:13,097 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:00:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 260 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-19 23:00:13,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:00:13,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2020-07-19 23:00:13,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239385044] [2020-07-19 23:00:13,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-19 23:00:13,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:13,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-19 23:00:13,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-07-19 23:00:13,272 INFO L87 Difference]: Start difference. First operand 894 states and 1017 transitions. Second operand 18 states. [2020-07-19 23:00:13,775 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:16,129 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-19 23:00:16,443 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-19 23:00:16,743 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-19 23:00:17,267 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-07-19 23:00:17,825 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 198 [2020-07-19 23:00:18,110 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:18,420 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 23:00:18,702 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 23:00:18,941 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 23:00:20,312 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-19 23:00:20,819 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-19 23:00:21,321 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-07-19 23:00:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:21,629 INFO L93 Difference]: Finished difference Result 1832 states and 2127 transitions. [2020-07-19 23:00:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 23:00:21,630 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 324 [2020-07-19 23:00:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:21,636 INFO L225 Difference]: With dead ends: 1832 [2020-07-19 23:00:21,637 INFO L226 Difference]: Without dead ends: 1034 [2020-07-19 23:00:21,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=402, Invalid=1320, Unknown=0, NotChecked=0, Total=1722 [2020-07-19 23:00:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-07-19 23:00:21,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1002. [2020-07-19 23:00:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1002 states. [2020-07-19 23:00:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1134 transitions. [2020-07-19 23:00:21,847 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1134 transitions. Word has length 324 [2020-07-19 23:00:21,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:21,849 INFO L479 AbstractCegarLoop]: Abstraction has 1002 states and 1134 transitions. [2020-07-19 23:00:21,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-19 23:00:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1134 transitions. [2020-07-19 23:00:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-19 23:00:21,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:00:21,853 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:00:22,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:22,068 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:00:22,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:00:22,069 INFO L82 PathProgramCache]: Analyzing trace with hash 151185066, now seen corresponding path program 1 times [2020-07-19 23:00:22,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:00:22,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570718753] [2020-07-19 23:00:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@78da278d [2020-07-19 23:00:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,372 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:00:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 79 proven. 12 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-07-19 23:00:22,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570718753] [2020-07-19 23:00:22,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217656772] [2020-07-19 23:00:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b41d1a3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:00:23,068 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b41d1a3 issued 3 check-sat command(s) [2020-07-19 23:00:23,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:00:23,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 23:00:23,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:00:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-07-19 23:00:23,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:00:23,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 14 [2020-07-19 23:00:23,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158129805] [2020-07-19 23:00:23,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 23:00:23,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:00:23,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 23:00:23,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-19 23:00:23,138 INFO L87 Difference]: Start difference. First operand 1002 states and 1134 transitions. Second operand 6 states. [2020-07-19 23:00:23,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:00:23,281 INFO L93 Difference]: Finished difference Result 1327 states and 1490 transitions. [2020-07-19 23:00:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 23:00:23,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2020-07-19 23:00:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:00:23,282 INFO L225 Difference]: With dead ends: 1327 [2020-07-19 23:00:23,282 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:00:23,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-07-19 23:00:23,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:00:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:00:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:00:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:00:23,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 324 [2020-07-19 23:00:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:00:23,286 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:00:23,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 23:00:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:00:23,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:00:23,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 23:00:23,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:00:23,771 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-19 23:00:23,876 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-19 23:00:25,139 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 291 [2020-07-19 23:00:27,235 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 296 [2020-07-19 23:00:28,628 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 303 [2020-07-19 23:00:29,538 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 303 [2020-07-19 23:00:29,845 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 280 [2020-07-19 23:00:30,675 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 27 [2020-07-19 23:00:30,855 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 23:00:31,294 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-07-19 23:00:31,884 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 26 [2020-07-19 23:00:32,045 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-19 23:00:32,883 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 32 [2020-07-19 23:00:33,149 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 23:00:33,316 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-07-19 23:00:33,501 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 23:00:33,639 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 23:00:34,290 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 25 [2020-07-19 23:00:34,506 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 23:00:35,362 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 33 [2020-07-19 23:00:35,516 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 23:00:35,815 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2020-07-19 23:00:36,056 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-07-19 23:00:36,239 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 23:00:36,918 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 25 [2020-07-19 23:00:37,118 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-07-19 23:00:37,886 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 28 [2020-07-19 23:00:38,828 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2020-07-19 23:00:39,673 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 25 [2020-07-19 23:00:40,232 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2020-07-19 23:00:40,499 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-19 23:00:40,848 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 19 [2020-07-19 23:00:41,058 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-07-19 23:00:41,706 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 23 [2020-07-19 23:00:41,915 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-07-19 23:00:42,359 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-07-19 23:00:42,557 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 23:00:42,842 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-07-19 23:00:43,029 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-07-19 23:00:43,906 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 28 [2020-07-19 23:00:44,069 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 23:00:44,250 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-07-19 23:00:44,436 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-07-19 23:00:44,540 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 23 [2020-07-19 23:00:44,722 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 23:00:44,920 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 23:00:45,492 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 20 [2020-07-19 23:00:45,694 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-07-19 23:00:46,562 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 28 [2020-07-19 23:00:46,865 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 34 [2020-07-19 23:00:47,474 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2020-07-19 23:00:47,688 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-07-19 23:00:47,903 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 23:00:48,175 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 20 [2020-07-19 23:00:48,179 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-19 23:00:48,179 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-07-19 23:00:48,179 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-19 23:00:48,179 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 300) no Hoare annotation was computed. [2020-07-19 23:00:48,179 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 254 309) no Hoare annotation was computed. [2020-07-19 23:00:48,180 INFO L268 CegarLoopResult]: For program point L301(lines 278 302) no Hoare annotation was computed. [2020-07-19 23:00:48,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 254 309) no Hoare annotation was computed. [2020-07-19 23:00:48,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 254 309) no Hoare annotation was computed. [2020-07-19 23:00:48,180 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-07-19 23:00:48,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 310 369) no Hoare annotation was computed. [2020-07-19 23:00:48,181 INFO L268 CegarLoopResult]: For program point L342-1(lines 342 346) no Hoare annotation was computed. [2020-07-19 23:00:48,181 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-19 23:00:48,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 310 369) no Hoare annotation was computed. [2020-07-19 23:00:48,181 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 361) no Hoare annotation was computed. [2020-07-19 23:00:48,181 INFO L268 CegarLoopResult]: For program point L362(lines 335 363) no Hoare annotation was computed. [2020-07-19 23:00:48,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 310 369) no Hoare annotation was computed. [2020-07-19 23:00:48,182 INFO L268 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-07-19 23:00:48,182 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-19 23:00:48,182 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-19 23:00:48,182 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-19 23:00:48,182 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-19 23:00:48,183 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-19 23:00:48,183 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-19 23:00:48,183 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2020-07-19 23:00:48,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2020-07-19 23:00:48,183 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-19 23:00:48,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2020-07-19 23:00:48,184 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-07-19 23:00:48,184 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2020-07-19 23:00:48,184 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-19 23:00:48,184 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-07-19 23:00:48,184 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-07-19 23:00:48,184 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0) (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-19 23:00:48,184 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-19 23:00:48,185 INFO L268 CegarLoopResult]: For program point L180(lines 180 197) no Hoare annotation was computed. [2020-07-19 23:00:48,185 INFO L268 CegarLoopResult]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2020-07-19 23:00:48,185 INFO L271 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: true [2020-07-19 23:00:48,185 INFO L268 CegarLoopResult]: For program point L178-1(line 178) no Hoare annotation was computed. [2020-07-19 23:00:48,185 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2020-07-19 23:00:48,185 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2020-07-19 23:00:48,185 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,185 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-19 23:00:48,186 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,186 INFO L264 CegarLoopResult]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,186 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-07-19 23:00:48,186 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2020-07-19 23:00:48,186 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-19 23:00:48,186 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,186 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,187 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-19 23:00:48,187 INFO L264 CegarLoopResult]: At program point L653-1(line 653) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,187 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-19 23:00:48,187 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-07-19 23:00:48,187 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 601 624) no Hoare annotation was computed. [2020-07-19 23:00:48,187 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-07-19 23:00:48,187 INFO L268 CegarLoopResult]: For program point L606(line 606) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 601 624) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 601 624) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-19 23:00:48,188 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L271 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: true [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2020-07-19 23:00:48,189 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-19 23:00:48,190 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 208 253) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 208 253) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 208 253) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 521 566) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point L535(lines 535 555) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 555) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 521 566) no Hoare annotation was computed. [2020-07-19 23:00:48,191 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 521 566) no Hoare annotation was computed. [2020-07-19 23:00:48,192 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,192 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,192 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2020-07-19 23:00:48,192 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2020-07-19 23:00:48,192 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2020-07-19 23:00:48,192 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-19 23:00:48,192 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,193 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-19 23:00:48,193 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-19 23:00:48,194 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-19 23:00:48,194 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1) (or .cse0 .cse2 .cse3 .cse1))) [2020-07-19 23:00:48,194 INFO L268 CegarLoopResult]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2020-07-19 23:00:48,194 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (let ((.cse2 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 23:00:48,194 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse2 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~7)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 23:00:48,194 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2020-07-19 23:00:48,194 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-07-19 23:00:48,195 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 23:00:48,195 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 23:00:48,195 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-19 23:00:48,195 INFO L268 CegarLoopResult]: For program point L818(lines 818 835) no Hoare annotation was computed. [2020-07-19 23:00:48,195 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-07-19 23:00:48,195 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-07-19 23:00:48,195 INFO L264 CegarLoopResult]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,196 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-19 23:00:48,196 INFO L264 CegarLoopResult]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-19 23:00:48,196 INFO L268 CegarLoopResult]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2020-07-19 23:00:48,196 INFO L268 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2020-07-19 23:00:48,196 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-19 23:00:48,196 INFO L268 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2020-07-19 23:00:48,196 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-19 23:00:48,197 INFO L268 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2020-07-19 23:00:48,197 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2020-07-19 23:00:48,197 INFO L264 CegarLoopResult]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (<= 1 ~pumpRunning~0) .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2))) [2020-07-19 23:00:48,197 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse4 .cse3))) [2020-07-19 23:00:48,197 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-19 23:00:48,197 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-07-19 23:00:48,197 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-19 23:00:48,197 INFO L264 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 475 520) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 475 520) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 475 520) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point L495(lines 495 502) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point L489(lines 489 509) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point L489-1(lines 489 509) no Hoare annotation was computed. [2020-07-19 23:00:48,198 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,198 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-19 23:00:48,199 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 372 474) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L442(lines 420 443) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L401(lines 401 417) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L422(lines 421 441) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 372 474) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L418(lines 418 459) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-19 23:00:48,200 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 372 474) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-19 23:00:48,201 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,202 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 23:00:48,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,202 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2020-07-19 23:00:48,202 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,202 INFO L268 CegarLoopResult]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2020-07-19 23:00:48,202 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,202 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-19 23:00:48,203 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,203 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-19 23:00:48,203 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-19 23:00:48,203 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-19 23:00:48,203 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-19 23:00:48,203 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2020-07-19 23:00:48,203 INFO L268 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-07-19 23:00:48,203 INFO L271 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: true [2020-07-19 23:00:48,204 INFO L268 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-07-19 23:00:48,204 INFO L268 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-07-19 23:00:48,204 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2020-07-19 23:00:48,204 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2020-07-19 23:00:48,204 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-19 23:00:48,204 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2 .cse3))) [2020-07-19 23:00:48,204 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-19 23:00:48,204 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,205 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,205 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,205 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-19 23:00:48,205 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-19 23:00:48,205 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-19 23:00:48,205 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse3) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse3))) [2020-07-19 23:00:48,205 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1) .cse3) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse5) (and .cse5 (<= 1 ~pumpRunning~0)) .cse4 .cse2 .cse3)))) [2020-07-19 23:00:48,206 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 .cse2 .cse1) (or .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 23:00:48,206 INFO L268 CegarLoopResult]: For program point L760(lines 756 778) no Hoare annotation was computed. [2020-07-19 23:00:48,206 INFO L268 CegarLoopResult]: For program point L758(lines 756 778) no Hoare annotation was computed. [2020-07-19 23:00:48,206 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse4 .cse5)) (.cse3 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5) .cse2) (or .cse0 .cse3 .cse1 .cse2)))) [2020-07-19 23:00:48,206 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2020-07-19 23:00:48,206 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2020-07-19 23:00:48,207 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-07-19 23:00:48,207 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2020-07-19 23:00:48,207 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-07-19 23:00:48,207 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2020-07-19 23:00:48,207 INFO L271 CegarLoopResult]: At program point L595(lines 570 599) the Hoare annotation is: true [2020-07-19 23:00:48,207 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-19 23:00:48,207 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-19 23:00:48,207 INFO L271 CegarLoopResult]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2020-07-19 23:00:48,208 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-19 23:00:48,208 INFO L271 CegarLoopResult]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2020-07-19 23:00:48,208 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (= 2 |old(~waterLevel~0)|)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 23:00:48,208 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-19 23:00:48,208 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-19 23:00:48,208 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2020-07-19 23:00:48,208 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2020-07-19 23:00:48,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,208 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 23:00:48,209 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:00:48,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:00:48,209 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-19 23:00:48,209 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (= 1 |old(~systemActive~0)|))) (.cse2 (= 1 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (= |old(~systemActive~0)| ~systemActive~0) .cse3 .cse0 .cse1) (or .cse3 .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-19 23:00:48,209 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-19 23:00:48,209 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-19 23:00:48,209 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 23:00:48,209 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-07-19 23:00:48,210 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2020-07-19 23:00:48,210 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-19 23:00:48,210 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-19 23:00:48,210 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-07-19 23:00:48,210 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 23:00:48,210 INFO L268 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-07-19 23:00:48,210 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 23:00:48,210 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-19 23:00:48,211 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-19 23:00:48,211 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= 1 ~waterLevel~0) .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse5 .cse2) (or .cse4 .cse5 .cse3 .cse2))) [2020-07-19 23:00:48,211 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2020-07-19 23:00:48,211 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-07-19 23:00:48,211 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2020-07-19 23:00:48,211 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2020-07-19 23:00:48,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:00:48 BoogieIcfgContainer [2020-07-19 23:00:48,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:00:48,235 INFO L168 Benchmark]: Toolchain (without parser) took 102872.40 ms. Allocated memory was 135.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 99.6 MB in the beginning and 1.1 GB in the end (delta: -973.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-19 23:00:48,235 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:00:48,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.72 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.1 MB in the beginning and 169.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-19 23:00:48,236 INFO L168 Benchmark]: Boogie Preprocessor took 99.41 ms. Allocated memory is still 200.8 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 23:00:48,237 INFO L168 Benchmark]: RCFGBuilder took 1345.86 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 165.0 MB in the beginning and 192.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:00:48,237 INFO L168 Benchmark]: TraceAbstraction took 100753.89 ms. Allocated memory was 229.1 MB in the beginning and 1.2 GB in the end (delta: 944.2 MB). Free memory was 191.0 MB in the beginning and 1.1 GB in the end (delta: -882.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-19 23:00:48,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.72 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.1 MB in the beginning and 169.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.41 ms. Allocated memory is still 200.8 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1345.86 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 165.0 MB in the beginning and 192.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 100753.89 ms. Allocated memory was 229.1 MB in the beginning and 1.2 GB in the end (delta: 944.2 MB). Free memory was 191.0 MB in the beginning and 1.1 GB in the end (delta: -882.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75.9s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 60.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2346 SDtfs, 5308 SDslu, 4630 SDs, 0 SdLazy, 17595 SolverSat, 3860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2614 GetRequests, 2270 SyntacticMatches, 6 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3104 ImplicationChecksByTransitivity, 31.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1002occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1039 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2286 PreInvPairs, 2339 NumberOfFragments, 1855 HoareAnnotationTreeSize, 2286 FomulaSimplifications, 1291346308 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 27875922 FormulaSimplificationTreeSizeReductionInter, 18.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 3702 NumberOfCodeBlocks, 3383 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 3683 ConstructedInterpolants, 0 QuantifiedInterpolants, 1867498 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5702 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 2521/2681 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...