/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_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:47:43,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:47:43,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:47:43,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:47:43,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:47:43,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:47:43,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:47:43,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:47:43,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:47:43,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:47:43,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:47:43,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:47:43,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:47:43,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:47:43,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:47:43,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:47:43,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:47:43,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:47:43,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:47:43,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:47:43,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:47:43,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:47:43,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:47:43,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:47:43,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:47:43,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:47:43,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:47:43,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:47:43,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:47:43,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:47:43,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:47:43,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:47:43,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:47:43,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:47:43,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:47:43,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:47:43,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:47:43,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:47:43,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:47:43,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:47:43,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:47:43,201 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 22:47:43,215 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:47:43,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:47:43,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:47:43,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:47:43,217 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:47:43,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:47:43,218 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:47:43,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:47:43,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:47:43,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:47:43,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:47:43,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:47:43,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:47:43,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:47:43,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:47:43,220 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:47:43,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:47:43,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:47:43,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:47:43,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:47:43,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:47:43,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:47:43,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:47:43,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:47:43,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:47:43,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:47:43,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:47:43,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:47:43,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:47:43,222 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 22:47:43,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:47:43,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:47:43,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:47:43,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:47:43,502 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:47:43,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-07-19 22:47:43,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d026d6592/85ec835c444d47a991d1f72e354c7e42/FLAG6a43b2032 [2020-07-19 22:47:44,047 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:47:44,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-07-19 22:47:44,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d026d6592/85ec835c444d47a991d1f72e354c7e42/FLAG6a43b2032 [2020-07-19 22:47:44,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d026d6592/85ec835c444d47a991d1f72e354c7e42 [2020-07-19 22:47:44,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:47:44,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:47:44,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:47:44,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:47:44,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:47:44,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:47:44" (1/1) ... [2020-07-19 22:47:44,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f05f089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:44, skipping insertion in model container [2020-07-19 22:47:44,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:47:44" (1/1) ... [2020-07-19 22:47:44,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:47:44,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:47:44,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:47:44,894 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:47:44,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:47:45,028 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:47:45,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45 WrapperNode [2020-07-19 22:47:45,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:47:45,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:47:45,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:47:45,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:47:45,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (1/1) ... [2020-07-19 22:47:45,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:47:45,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:47:45,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:47:45,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:47:45,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (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 22:47:45,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:47:45,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:47:45,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:47:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:47:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:47:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:47:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:47:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:47:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:47:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:47:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:47:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:47:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:47:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:47:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 22:47:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 22:47:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:47:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:47:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:47:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:47:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:47:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:47:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:47:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:47:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:47:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:47:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:47:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:47:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:47:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:47:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:47:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:47:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:47:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:47:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:47:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:47:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:47:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:47:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:47:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:47:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:47:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:47:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:47:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:47:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:47:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:47:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:47:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:47:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:47:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:47:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:47:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 22:47:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:47:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:47:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:47:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:47:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:47:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:47:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:47:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:47:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:47:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:47:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:47:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:47:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:47:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:47:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:47:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:47:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:47:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:47:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:47:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:47:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:47:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:47:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:47:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:47:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:47:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:47:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:47:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:47:46,338 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:47:46,338 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:47:46,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:47:46 BoogieIcfgContainer [2020-07-19 22:47:46,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:47:46,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:47:46,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:47:46,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:47:46,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:47:44" (1/3) ... [2020-07-19 22:47:46,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eedfdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:47:46, skipping insertion in model container [2020-07-19 22:47:46,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:47:45" (2/3) ... [2020-07-19 22:47:46,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eedfdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:47:46, skipping insertion in model container [2020-07-19 22:47:46,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:47:46" (3/3) ... [2020-07-19 22:47:46,355 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-07-19 22:47:46,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:47:46,372 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:47:46,387 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:47:46,411 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:47:46,412 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:47:46,412 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:47:46,412 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:47:46,412 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:47:46,413 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:47:46,413 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:47:46,413 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:47:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-19 22:47:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:47:46,445 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:47:46,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:47:46,446 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:47:46,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:47:46,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2020-07-19 22:47:46,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:47:46,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773033424] [2020-07-19 22:47:46,460 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:47:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,105 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:47:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:47:47,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773033424] [2020-07-19 22:47:47,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:47:47,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:47:47,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369442322] [2020-07-19 22:47:47,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:47:47,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:47:47,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:47:47,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:47:47,228 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-07-19 22:47:48,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:47:48,395 INFO L93 Difference]: Finished difference Result 286 states and 375 transitions. [2020-07-19 22:47:48,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:47:48,397 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 22:47:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:47:48,412 INFO L225 Difference]: With dead ends: 286 [2020-07-19 22:47:48,412 INFO L226 Difference]: Without dead ends: 159 [2020-07-19 22:47:48,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 22:47:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-19 22:47:48,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-07-19 22:47:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-19 22:47:48,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-07-19 22:47:48,505 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-07-19 22:47:48,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:47:48,506 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-07-19 22:47:48,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:47:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-07-19 22:47:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:47:48,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:47:48,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:47:48,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:47:48,511 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:47:48,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:47:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2020-07-19 22:47:48,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:47:48,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830491320] [2020-07-19 22:47:48,512 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:47:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,853 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:47:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:47:48,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830491320] [2020-07-19 22:47:48,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:47:48,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:47:48,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945635855] [2020-07-19 22:47:48,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:47:48,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:47:48,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:47:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:47:48,924 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-07-19 22:47:49,395 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:47:50,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:47:50,179 INFO L93 Difference]: Finished difference Result 231 states and 286 transitions. [2020-07-19 22:47:50,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:47:50,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 22:47:50,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:47:50,183 INFO L225 Difference]: With dead ends: 231 [2020-07-19 22:47:50,183 INFO L226 Difference]: Without dead ends: 149 [2020-07-19 22:47:50,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:47:50,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-19 22:47:50,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-07-19 22:47:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-19 22:47:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-19 22:47:50,225 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-07-19 22:47:50,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:47:50,225 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-19 22:47:50,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:47:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-19 22:47:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-19 22:47:50,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:47:50,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:47:50,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:47:50,228 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:47:50,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:47:50,229 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2020-07-19 22:47:50,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:47:50,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420664095] [2020-07-19 22:47:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:47:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,604 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:47:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:47:50,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420664095] [2020-07-19 22:47:50,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:47:50,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:47:50,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47423402] [2020-07-19 22:47:50,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:47:50,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:47:50,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:47:50,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:47:50,683 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2020-07-19 22:47:51,080 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:47:51,400 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:47:51,679 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:47:51,928 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:47:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:47:53,082 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2020-07-19 22:47:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:47:53,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-19 22:47:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:47:53,086 INFO L225 Difference]: With dead ends: 240 [2020-07-19 22:47:53,086 INFO L226 Difference]: Without dead ends: 149 [2020-07-19 22:47:53,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 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 22:47:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-19 22:47:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-07-19 22:47:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-19 22:47:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-07-19 22:47:53,122 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2020-07-19 22:47:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:47:53,123 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-07-19 22:47:53,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:47:53,123 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-07-19 22:47:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-19 22:47:53,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:47:53,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:47:53,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:47:53,126 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:47:53,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:47:53,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2020-07-19 22:47:53,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:47:53,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643415907] [2020-07-19 22:47:53,128 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:47:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,442 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:47:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:47:53,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643415907] [2020-07-19 22:47:53,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:47:53,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:47:53,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197203014] [2020-07-19 22:47:53,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:47:53,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:47:53,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:47:53,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:47:53,560 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2020-07-19 22:47:54,018 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:47:55,206 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:47:55,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:47:55,860 INFO L93 Difference]: Finished difference Result 334 states and 423 transitions. [2020-07-19 22:47:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:47:55,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-19 22:47:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:47:55,866 INFO L225 Difference]: With dead ends: 334 [2020-07-19 22:47:55,866 INFO L226 Difference]: Without dead ends: 243 [2020-07-19 22:47:55,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:47:55,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-07-19 22:47:55,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 197. [2020-07-19 22:47:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-19 22:47:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2020-07-19 22:47:55,913 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2020-07-19 22:47:55,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:47:55,914 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2020-07-19 22:47:55,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:47:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2020-07-19 22:47:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:47:55,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:47:55,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:47:55,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:47:55,917 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:47:55,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:47:55,917 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2020-07-19 22:47:55,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:47:55,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829008140] [2020-07-19 22:47:55,918 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:47:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,192 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:47:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:47:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:47:56,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829008140] [2020-07-19 22:47:56,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:47:56,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:47:56,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659126496] [2020-07-19 22:47:56,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:47:56,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:47:56,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:47:56,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:47:56,388 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 9 states. [2020-07-19 22:47:56,790 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:47:57,989 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:47:58,272 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:47:58,520 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:47:58,752 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:47:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:47:59,676 INFO L93 Difference]: Finished difference Result 582 states and 737 transitions. [2020-07-19 22:47:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 22:47:59,677 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-19 22:47:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:47:59,684 INFO L225 Difference]: With dead ends: 582 [2020-07-19 22:47:59,684 INFO L226 Difference]: Without dead ends: 413 [2020-07-19 22:47:59,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:47:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-07-19 22:47:59,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 342. [2020-07-19 22:47:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-07-19 22:47:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 394 transitions. [2020-07-19 22:47:59,777 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 394 transitions. Word has length 83 [2020-07-19 22:47:59,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:47:59,777 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 394 transitions. [2020-07-19 22:47:59,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:47:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 394 transitions. [2020-07-19 22:47:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-19 22:47:59,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:47:59,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:47:59,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:47:59,780 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:47:59,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:47:59,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1817856655, now seen corresponding path program 1 times [2020-07-19 22:47:59,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:47:59,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118480263] [2020-07-19 22:47:59,781 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:47:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,072 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:00,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118480263] [2020-07-19 22:48:00,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:00,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:48:00,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350294375] [2020-07-19 22:48:00,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:48:00,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:00,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:48:00,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:48:00,210 INFO L87 Difference]: Start difference. First operand 342 states and 394 transitions. Second operand 10 states. [2020-07-19 22:48:00,753 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:01,862 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:02,092 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:02,330 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:02,587 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:03,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:03,675 INFO L93 Difference]: Finished difference Result 762 states and 947 transitions. [2020-07-19 22:48:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 22:48:03,676 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2020-07-19 22:48:03,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:03,681 INFO L225 Difference]: With dead ends: 762 [2020-07-19 22:48:03,681 INFO L226 Difference]: Without dead ends: 448 [2020-07-19 22:48:03,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:48:03,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-07-19 22:48:03,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 341. [2020-07-19 22:48:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-07-19 22:48:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 391 transitions. [2020-07-19 22:48:03,754 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 391 transitions. Word has length 87 [2020-07-19 22:48:03,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:03,754 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 391 transitions. [2020-07-19 22:48:03,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:48:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 391 transitions. [2020-07-19 22:48:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:48:03,756 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:03,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:03,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:48:03,757 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:03,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:03,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1046149773, now seen corresponding path program 1 times [2020-07-19 22:48:03,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:03,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918967667] [2020-07-19 22:48:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:48:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,028 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:04,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918967667] [2020-07-19 22:48:04,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:04,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:48:04,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918935819] [2020-07-19 22:48:04,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:48:04,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:04,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:48:04,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:48:04,224 INFO L87 Difference]: Start difference. First operand 341 states and 391 transitions. Second operand 10 states. [2020-07-19 22:48:05,314 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:48:05,566 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:48:05,819 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:06,060 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:07,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:07,081 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2020-07-19 22:48:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:48:07,086 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-19 22:48:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:07,091 INFO L225 Difference]: With dead ends: 765 [2020-07-19 22:48:07,092 INFO L226 Difference]: Without dead ends: 452 [2020-07-19 22:48:07,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:48:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-07-19 22:48:07,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 351. [2020-07-19 22:48:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-07-19 22:48:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2020-07-19 22:48:07,198 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 88 [2020-07-19 22:48:07,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:07,199 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2020-07-19 22:48:07,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:48:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2020-07-19 22:48:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:48:07,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:07,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:07,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:48:07,202 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:07,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1747749647, now seen corresponding path program 1 times [2020-07-19 22:48:07,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:07,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595101582] [2020-07-19 22:48:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:48:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,457 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:07,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595101582] [2020-07-19 22:48:07,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:07,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:48:07,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463895681] [2020-07-19 22:48:07,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:48:07,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:07,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:48:07,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:48:07,647 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 12 states. [2020-07-19 22:48:08,292 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:08,533 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:08,781 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:09,423 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:09,686 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:09,929 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:48:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:11,052 INFO L93 Difference]: Finished difference Result 789 states and 998 transitions. [2020-07-19 22:48:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:48:11,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-19 22:48:11,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:11,058 INFO L225 Difference]: With dead ends: 789 [2020-07-19 22:48:11,058 INFO L226 Difference]: Without dead ends: 466 [2020-07-19 22:48:11,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:48:11,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-07-19 22:48:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 359. [2020-07-19 22:48:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-07-19 22:48:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2020-07-19 22:48:11,129 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2020-07-19 22:48:11,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:11,129 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2020-07-19 22:48:11,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:48:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2020-07-19 22:48:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:48:11,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:11,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:11,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:48:11,132 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:11,132 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2020-07-19 22:48:11,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:11,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066205106] [2020-07-19 22:48:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:48:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,389 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:11,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066205106] [2020-07-19 22:48:11,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:11,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:48:11,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273595525] [2020-07-19 22:48:11,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:48:11,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:11,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:48:11,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:48:11,538 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 8 states. [2020-07-19 22:48:11,999 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:12,534 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:14,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:14,720 INFO L93 Difference]: Finished difference Result 1108 states and 1449 transitions. [2020-07-19 22:48:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:48:14,720 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-07-19 22:48:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:14,726 INFO L225 Difference]: With dead ends: 1108 [2020-07-19 22:48:14,727 INFO L226 Difference]: Without dead ends: 777 [2020-07-19 22:48:14,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:48:14,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-07-19 22:48:14,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 645. [2020-07-19 22:48:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-19 22:48:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 763 transitions. [2020-07-19 22:48:14,881 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 763 transitions. Word has length 88 [2020-07-19 22:48:14,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:14,883 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 763 transitions. [2020-07-19 22:48:14,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:48:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 763 transitions. [2020-07-19 22:48:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 22:48:14,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:14,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:14,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:48:14,888 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2020-07-19 22:48:14,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:14,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041643949] [2020-07-19 22:48:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:48:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,158 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:15,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041643949] [2020-07-19 22:48:15,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:48:15,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:48:15,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192953009] [2020-07-19 22:48:15,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:48:15,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:15,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:48:15,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:48:15,271 INFO L87 Difference]: Start difference. First operand 645 states and 763 transitions. Second operand 8 states. [2020-07-19 22:48:15,838 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:48:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:18,233 INFO L93 Difference]: Finished difference Result 1272 states and 1654 transitions. [2020-07-19 22:48:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 22:48:18,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-07-19 22:48:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:18,242 INFO L225 Difference]: With dead ends: 1272 [2020-07-19 22:48:18,242 INFO L226 Difference]: Without dead ends: 1269 [2020-07-19 22:48:18,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-07-19 22:48:18,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-07-19 22:48:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1071. [2020-07-19 22:48:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-07-19 22:48:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1280 transitions. [2020-07-19 22:48:18,455 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1280 transitions. Word has length 92 [2020-07-19 22:48:18,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:18,455 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1280 transitions. [2020-07-19 22:48:18,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:48:18,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1280 transitions. [2020-07-19 22:48:18,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-19 22:48:18,460 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:18,461 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:48:18,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-19 22:48:18,461 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:18,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2020-07-19 22:48:18,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:18,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415726511] [2020-07-19 22:48:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:48:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,865 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-19 22:48:19,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415726511] [2020-07-19 22:48:19,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870505053] [2020-07-19 22:48:19,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34615f4b 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 22:48:19,902 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@34615f4b issued 4 check-sat command(s) [2020-07-19 22:48:19,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:48:19,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:48:19,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:48:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 22:48:20,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:48:20,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 22:48:20,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742553906] [2020-07-19 22:48:20,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:48:20,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:20,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:48:20,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:48:20,165 INFO L87 Difference]: Start difference. First operand 1071 states and 1280 transitions. Second operand 8 states. [2020-07-19 22:48:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:20,618 INFO L93 Difference]: Finished difference Result 1931 states and 2290 transitions. [2020-07-19 22:48:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:48:20,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-07-19 22:48:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:20,624 INFO L225 Difference]: With dead ends: 1931 [2020-07-19 22:48:20,624 INFO L226 Difference]: Without dead ends: 888 [2020-07-19 22:48:20,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:48:20,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-07-19 22:48:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 888. [2020-07-19 22:48:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-07-19 22:48:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1015 transitions. [2020-07-19 22:48:20,813 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1015 transitions. Word has length 150 [2020-07-19 22:48:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:20,816 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1015 transitions. [2020-07-19 22:48:20,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:48:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1015 transitions. [2020-07-19 22:48:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-19 22:48:20,819 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:48:20,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:48:21,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 22:48:21,033 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:48:21,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:48:21,033 INFO L82 PathProgramCache]: Analyzing trace with hash 182941043, now seen corresponding path program 1 times [2020-07-19 22:48:21,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:48:21,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734800989] [2020-07-19 22:48:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1646092 [2020-07-19 22:48:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,413 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:48:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-19 22:48:21,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734800989] [2020-07-19 22:48:21,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367004641] [2020-07-19 22:48:21,671 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69c48d0c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:48:22,144 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69c48d0c issued 4 check-sat command(s) [2020-07-19 22:48:22,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:48:22,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 22:48:22,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:48:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:48:22,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:48:22,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-19 22:48:22,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016108176] [2020-07-19 22:48:22,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:48:22,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:48:22,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:48:22,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:48:22,185 INFO L87 Difference]: Start difference. First operand 888 states and 1015 transitions. Second operand 3 states. [2020-07-19 22:48:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:48:22,383 INFO L93 Difference]: Finished difference Result 1478 states and 1719 transitions. [2020-07-19 22:48:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:48:22,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-19 22:48:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:48:22,385 INFO L225 Difference]: With dead ends: 1478 [2020-07-19 22:48:22,385 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:48:22,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:48:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:48:22,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:48:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:48:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:48:22,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-07-19 22:48:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:48:22,391 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:48:22,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:48:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:48:22,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:48:22,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 22:48:22,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:48:23,367 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 29 [2020-07-19 22:48:23,588 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-19 22:48:23,730 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 28 [2020-07-19 22:48:24,671 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 254 [2020-07-19 22:48:25,495 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 279 [2020-07-19 22:48:26,579 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-07-19 22:48:26,716 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 25 [2020-07-19 22:48:26,883 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-07-19 22:48:27,367 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 254 [2020-07-19 22:48:27,935 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 285 [2020-07-19 22:48:29,852 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-07-19 22:48:30,029 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:48:30,200 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 22:48:30,412 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:30,979 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-19 22:48:31,991 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 180 DAG size of output: 43 [2020-07-19 22:48:32,883 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-07-19 22:48:33,084 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-19 22:48:33,768 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-07-19 22:48:33,987 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:48:34,183 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-19 22:48:35,379 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 224 DAG size of output: 40 [2020-07-19 22:48:35,582 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-19 22:48:36,930 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 177 DAG size of output: 40 [2020-07-19 22:48:37,105 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 22:48:37,984 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-07-19 22:48:38,567 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-07-19 22:48:39,107 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-19 22:48:40,100 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-07-19 22:48:40,285 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:48:41,298 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 169 DAG size of output: 38 [2020-07-19 22:48:42,015 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-19 22:48:42,721 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2020-07-19 22:48:43,612 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-07-19 22:48:44,501 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 22:48:45,817 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 227 DAG size of output: 43 [2020-07-19 22:48:46,005 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 22:48:46,191 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:46,380 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:46,804 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-19 22:48:46,980 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-19 22:48:47,162 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:48:47,349 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:47,926 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-19 22:48:48,104 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-07-19 22:48:48,702 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-19 22:48:48,893 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:49,761 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-19 22:48:50,325 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-19 22:48:50,947 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-19 22:48:51,491 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-19 22:48:51,680 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:51,867 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 22:48:52,315 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-07-19 22:48:53,182 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-19 22:48:53,187 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-07-19 22:48:53,187 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-07-19 22:48:53,187 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-19 22:48:53,188 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-07-19 22:48:53,188 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-07-19 22:48:53,188 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-19 22:48:53,188 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-07-19 22:48:53,189 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-07-19 22:48:53,190 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-07-19 22:48:53,190 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2020-07-19 22:48:53,190 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2020-07-19 22:48:53,190 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-19 22:48:53,190 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2020-07-19 22:48:53,190 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-19 22:48:53,190 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:48:53,191 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,191 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:48:53,191 INFO L268 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2020-07-19 22:48:53,191 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2020-07-19 22:48:53,191 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-19 22:48:53,191 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,191 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2020-07-19 22:48:53,192 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,192 INFO L264 CegarLoopResult]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,192 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2020-07-19 22:48:53,192 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-19 22:48:53,193 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-19 22:48:53,194 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2020-07-19 22:48:53,195 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2020-07-19 22:48:53,195 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-07-19 22:48:53,196 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-07-19 22:48:53,197 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,197 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2020-07-19 22:48:53,197 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,197 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2020-07-19 22:48:53,197 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2020-07-19 22:48:53,197 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-19 22:48:53,197 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-19 22:48:53,197 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2020-07-19 22:48:53,198 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2020-07-19 22:48:53,198 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 22:48:53,198 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2020-07-19 22:48:53,198 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2020-07-19 22:48:53,198 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2020-07-19 22:48:53,198 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-19 22:48:53,198 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2020-07-19 22:48:53,198 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2020-07-19 22:48:53,199 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-07-19 22:48:53,199 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-19 22:48:53,199 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~1)) .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-19 22:48:53,199 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-07-19 22:48:53,199 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-07-19 22:48:53,199 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-19 22:48:53,200 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-07-19 22:48:53,200 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-19 22:48:53,200 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-07-19 22:48:53,200 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-19 22:48:53,200 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-07-19 22:48:53,200 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-07-19 22:48:53,200 INFO L264 CegarLoopResult]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-19 22:48:53,201 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:48:53,201 INFO L268 CegarLoopResult]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2020-07-19 22:48:53,201 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-07-19 22:48:53,201 INFO L264 CegarLoopResult]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse2) (and .cse8 .cse0 .cse1 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse1 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (not .cse3))) [2020-07-19 22:48:53,201 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-07-19 22:48:53,201 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-07-19 22:48:53,202 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse5 .cse3) (and (= 0 ~methAndRunningLastTime~0) .cse1 .cse5 .cse4) (not (= 1 ~systemActive~0)))) [2020-07-19 22:48:53,202 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-19 22:48:53,202 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-07-19 22:48:53,202 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and .cse5 .cse3 .cse0 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 .cse1 .cse4) (not (= 1 ~systemActive~0)))) [2020-07-19 22:48:53,202 INFO L264 CegarLoopResult]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and .cse5 .cse3 .cse0 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 .cse1 .cse4) (not (= 1 ~systemActive~0)))) [2020-07-19 22:48:53,202 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-07-19 22:48:53,202 INFO L268 CegarLoopResult]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2020-07-19 22:48:53,202 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-07-19 22:48:53,203 INFO L264 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-19 22:48:53,204 INFO L268 CegarLoopResult]: For program point L319(lines 319 325) no Hoare annotation was computed. [2020-07-19 22:48:53,204 INFO L268 CegarLoopResult]: For program point L318(lines 318 328) no Hoare annotation was computed. [2020-07-19 22:48:53,204 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-19 22:48:53,204 INFO L268 CegarLoopResult]: For program point L316-1(line 316) no Hoare annotation was computed. [2020-07-19 22:48:53,204 INFO L268 CegarLoopResult]: For program point L314(lines 314 331) no Hoare annotation was computed. [2020-07-19 22:48:53,204 INFO L268 CegarLoopResult]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2020-07-19 22:48:53,204 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-07-19 22:48:53,205 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2020-07-19 22:48:53,205 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 384 406) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-07-19 22:48:53,206 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-07-19 22:48:53,207 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-19 22:48:53,208 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-07-19 22:48:53,208 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2020-07-19 22:48:53,208 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 907 916) no Hoare annotation was computed. [2020-07-19 22:48:53,208 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2020-07-19 22:48:53,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,208 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 22:48:53,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,209 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2020-07-19 22:48:53,209 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2020-07-19 22:48:53,209 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-19 22:48:53,209 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2020-07-19 22:48:53,209 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-07-19 22:48:53,209 INFO L271 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: true [2020-07-19 22:48:53,209 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-07-19 22:48:53,209 INFO L268 CegarLoopResult]: For program point L215-1(line 215) no Hoare annotation was computed. [2020-07-19 22:48:53,210 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2020-07-19 22:48:53,210 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2020-07-19 22:48:53,210 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2020-07-19 22:48:53,210 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 407 415) no Hoare annotation was computed. [2020-07-19 22:48:53,210 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2020-07-19 22:48:53,210 INFO L268 CegarLoopResult]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2020-07-19 22:48:53,210 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3))) [2020-07-19 22:48:53,210 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2020-07-19 22:48:53,211 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,211 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,211 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,211 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2020-07-19 22:48:53,211 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2020-07-19 22:48:53,211 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2020-07-19 22:48:53,211 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse4 (and .cse11 .cse13)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= 2 ~waterLevel~0) .cse12 .cse13 (<= 1 ~pumpRunning~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) .cse11 .cse12)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse6 .cse8 .cse9 .cse2 .cse10 .cse5) (or .cse8 .cse9 .cse2 .cse3 .cse10 .cse5)))) [2020-07-19 22:48:53,212 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse9 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~methAndRunningLastTime~0) .cse9 .cse10)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse3 .cse4) (or .cse8 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4)))) [2020-07-19 22:48:53,212 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-07-19 22:48:53,212 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (= 0 ~pumpRunning~0) .cse12)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse11 .cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse4) (or .cse5 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse9 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4)))) [2020-07-19 22:48:53,212 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-07-19 22:48:53,212 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-07-19 22:48:53,212 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse4))) [2020-07-19 22:48:53,213 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-07-19 22:48:53,213 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-07-19 22:48:53,213 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-07-19 22:48:53,213 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-19 22:48:53,213 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-19 22:48:53,213 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-07-19 22:48:53,213 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-19 22:48:53,213 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-07-19 22:48:53,214 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-07-19 22:48:53,214 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-19 22:48:53,214 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-19 22:48:53,214 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2020-07-19 22:48:53,214 INFO L268 CegarLoopResult]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2020-07-19 22:48:53,214 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-07-19 22:48:53,214 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-07-19 22:48:53,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,214 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:48:53,215 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:48:53,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:48:53,215 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4))) [2020-07-19 22:48:53,215 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-19 22:48:53,215 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-07-19 22:48:53,215 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2020-07-19 22:48:53,216 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-19 22:48:53,216 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-07-19 22:48:53,216 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-07-19 22:48:53,216 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-19 22:48:53,216 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-07-19 22:48:53,216 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse4))) [2020-07-19 22:48:53,216 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2020-07-19 22:48:53,217 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-19 22:48:53,217 INFO L268 CegarLoopResult]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2020-07-19 22:48:53,217 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2020-07-19 22:48:53,217 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2020-07-19 22:48:53,217 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2020-07-19 22:48:53,217 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2020-07-19 22:48:53,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:48:53 BoogieIcfgContainer [2020-07-19 22:48:53,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:48:53,237 INFO L168 Benchmark]: Toolchain (without parser) took 68876.38 ms. Allocated memory was 144.7 MB in the beginning and 891.3 MB in the end (delta: 746.6 MB). Free memory was 100.4 MB in the beginning and 154.9 MB in the end (delta: -54.5 MB). Peak memory consumption was 777.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:48:53,237 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:48:53,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.76 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 100.0 MB in the beginning and 170.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:48:53,238 INFO L168 Benchmark]: Boogie Preprocessor took 103.62 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:48:53,239 INFO L168 Benchmark]: RCFGBuilder took 1212.24 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 197.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:48:53,240 INFO L168 Benchmark]: TraceAbstraction took 66887.48 ms. Allocated memory was 234.9 MB in the beginning and 891.3 MB in the end (delta: 656.4 MB). Free memory was 197.0 MB in the beginning and 154.9 MB in the end (delta: 42.1 MB). Peak memory consumption was 784.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:48:53,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.76 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 100.0 MB in the beginning and 170.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.62 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.24 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 197.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66887.48 ms. Allocated memory was 234.9 MB in the beginning and 891.3 MB in the end (delta: 656.4 MB). Free memory was 197.0 MB in the beginning and 154.9 MB in the end (delta: 42.1 MB). Peak memory consumption was 784.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || (((0 == splverifierCounter && 2 <= waterLevel) && 1 <= methaneLevelCritical) && 1 <= pumpRunning)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || (((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1542 SDtfs, 2819 SDslu, 1776 SDs, 0 SdLazy, 5903 SolverSat, 1812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 856 GetRequests, 662 SyntacticMatches, 4 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1071occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 853 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1837 PreInvPairs, 1930 NumberOfFragments, 2778 HoareAnnotationTreeSize, 1837 FomulaSimplifications, 275444470 FormulaSimplificationTreeSizeReduction, 6.3s HoareSimplificationTime, 59 FomulaSimplificationsInter, 3212191 FormulaSimplificationTreeSizeReductionInter, 24.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1354 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1340 ConstructedInterpolants, 0 QuantifiedInterpolants, 451298 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1806 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 180/190 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...