/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.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:57:54,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:57:54,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:57:54,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:57:54,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:57:54,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:57:54,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:57:54,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:57:54,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:57:54,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:57:54,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:57:54,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:57:54,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:57:54,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:57:54,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:57:54,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:57:54,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:57:54,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:57:54,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:57:54,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:57:54,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:57:54,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:57:54,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:57:54,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:57:54,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:57:54,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:57:54,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:57:54,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:57:54,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:57:54,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:57:54,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:57:54,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:57:54,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:57:54,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:57:54,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:57:54,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:57:54,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:57:54,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:57:54,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:57:54,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:57:54,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:57:54,217 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 20:57:54,232 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:57:54,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:57:54,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:57:54,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:57:54,234 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:57:54,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:57:54,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:57:54,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:57:54,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:57:54,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:57:54,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:57:54,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:57:54,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:57:54,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:57:54,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:57:54,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:57:54,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:57:54,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:57:54,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:57:54,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:57:54,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:57:54,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:57:54,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:57:54,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:57:54,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:57:54,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:57:54,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:57:54,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:57:54,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:57:54,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:57:54,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:57:54,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:57:54,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:57:54,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:57:54,550 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:57:54,550 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-19 20:57:54,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a884bd7/97e2f14836e34eac9f25c027ab3bba71/FLAG8b1e57212 [2020-07-19 20:57:55,087 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:57:55,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-19 20:57:55,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a884bd7/97e2f14836e34eac9f25c027ab3bba71/FLAG8b1e57212 [2020-07-19 20:57:55,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a884bd7/97e2f14836e34eac9f25c027ab3bba71 [2020-07-19 20:57:55,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:57:55,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:57:55,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:57:55,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:57:55,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:57:55,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:57:55" (1/1) ... [2020-07-19 20:57:55,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e10867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:55, skipping insertion in model container [2020-07-19 20:57:55,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:57:55" (1/1) ... [2020-07-19 20:57:55,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:57:55,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:57:55,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:57:56,000 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:57:56,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:57:56,136 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:57:56,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56 WrapperNode [2020-07-19 20:57:56,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:57:56,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:57:56,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:57:56,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:57:56,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (1/1) ... [2020-07-19 20:57:56,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:57:56,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:57:56,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:57:56,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:57:56,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (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 20:57:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:57:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:57:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:57:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:57:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:57:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:57:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:57:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:57:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:57:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:57:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:57:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:57:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:57:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:57:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:57:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:57:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 20:57:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:57:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:57:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 20:57:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:57:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:57:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:57:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:57:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:57:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 20:57:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:57:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 20:57:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:57:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:57:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:57:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:57:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:57:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:57:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:57:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:57:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:57:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:57:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:57:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:57:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:57:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:57:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:57:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:57:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:57:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:57:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:57:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:57:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:57:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:57:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:57:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:57:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:57:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:57:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:57:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:57:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:57:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:57:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:57:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:57:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 20:57:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:57:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:57:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:57:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:57:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:57:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 20:57:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 20:57:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:57:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:57:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 20:57:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:57:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:57:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:57:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:57:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:57:57,536 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:57:57,537 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:57:57,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:57:57 BoogieIcfgContainer [2020-07-19 20:57:57,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:57:57,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:57:57,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:57:57,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:57:57,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:57:55" (1/3) ... [2020-07-19 20:57:57,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636cbd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:57:57, skipping insertion in model container [2020-07-19 20:57:57,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:57:56" (2/3) ... [2020-07-19 20:57:57,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636cbd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:57:57, skipping insertion in model container [2020-07-19 20:57:57,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:57:57" (3/3) ... [2020-07-19 20:57:57,551 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-07-19 20:57:57,561 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:57:57,569 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:57:57,584 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:57:57,611 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:57:57,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:57:57,611 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:57:57,611 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:57:57,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:57:57,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:57:57,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:57:57,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:57:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-19 20:57:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 20:57:57,646 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:57:57,647 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 20:57:57,648 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:57:57,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:57:57,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1016037874, now seen corresponding path program 1 times [2020-07-19 20:57:57,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:57:57,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414382739] [2020-07-19 20:57:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:57:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,352 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:57:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:57:58,468 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 20:57:58,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414382739] [2020-07-19 20:57:58,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:57:58,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:57:58,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754264476] [2020-07-19 20:57:58,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:57:58,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:57:58,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:57:58,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:57:58,505 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 4 states. [2020-07-19 20:57:59,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:57:59,715 INFO L93 Difference]: Finished difference Result 302 states and 395 transitions. [2020-07-19 20:57:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 20:57:59,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 20:57:59,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:57:59,733 INFO L225 Difference]: With dead ends: 302 [2020-07-19 20:57:59,733 INFO L226 Difference]: Without dead ends: 168 [2020-07-19 20:57:59,738 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 20:57:59,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-07-19 20:57:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 135. [2020-07-19 20:57:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-19 20:57:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-07-19 20:57:59,830 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2020-07-19 20:57:59,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:57:59,830 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-07-19 20:57:59,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:57:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-07-19 20:57:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:57:59,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:57:59,834 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 20:57:59,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:57:59,835 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:57:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:57:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash 2062541652, now seen corresponding path program 1 times [2020-07-19 20:57:59,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:57:59,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574405177] [2020-07-19 20:57:59,836 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:57:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,181 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:00,233 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 20:58:00,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574405177] [2020-07-19 20:58:00,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:00,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 20:58:00,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602079320] [2020-07-19 20:58:00,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 20:58:00,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:00,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 20:58:00,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:58:00,237 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 5 states. [2020-07-19 20:58:00,713 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:01,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:01,587 INFO L93 Difference]: Finished difference Result 247 states and 306 transitions. [2020-07-19 20:58:01,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 20:58:01,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 20:58:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:01,593 INFO L225 Difference]: With dead ends: 247 [2020-07-19 20:58:01,593 INFO L226 Difference]: Without dead ends: 158 [2020-07-19 20:58:01,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:58:01,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-19 20:58:01,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2020-07-19 20:58:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-19 20:58:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-07-19 20:58:01,633 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2020-07-19 20:58:01,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:01,633 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-07-19 20:58:01,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 20:58:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-07-19 20:58:01,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-19 20:58:01,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:01,636 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 20:58:01,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:58:01,637 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:01,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:01,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1086390402, now seen corresponding path program 1 times [2020-07-19 20:58:01,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:01,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313990955] [2020-07-19 20:58:01,638 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:01,960 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:02,076 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 20:58:02,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313990955] [2020-07-19 20:58:02,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:02,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:58:02,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339494853] [2020-07-19 20:58:02,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:58:02,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:02,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:58:02,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:58:02,079 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 9 states. [2020-07-19 20:58:02,463 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:02,791 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:03,034 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:03,257 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:04,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:04,550 INFO L93 Difference]: Finished difference Result 256 states and 321 transitions. [2020-07-19 20:58:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 20:58:04,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-19 20:58:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:04,554 INFO L225 Difference]: With dead ends: 256 [2020-07-19 20:58:04,554 INFO L226 Difference]: Without dead ends: 158 [2020-07-19 20:58:04,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 20:58:04,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-19 20:58:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2020-07-19 20:58:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-19 20:58:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-19 20:58:04,618 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2020-07-19 20:58:04,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:04,620 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-19 20:58:04,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:58:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-19 20:58:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-19 20:58:04,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:04,633 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 20:58:04,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:58:04,634 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:04,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash -848651131, now seen corresponding path program 1 times [2020-07-19 20:58:04,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:04,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353958043] [2020-07-19 20:58:04,635 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,031 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:05,128 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 20:58:05,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353958043] [2020-07-19 20:58:05,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:05,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 20:58:05,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121120116] [2020-07-19 20:58:05,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 20:58:05,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:05,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 20:58:05,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:58:05,131 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2020-07-19 20:58:05,473 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:06,610 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:07,225 INFO L93 Difference]: Finished difference Result 355 states and 448 transitions. [2020-07-19 20:58:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:58:07,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-19 20:58:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:07,230 INFO L225 Difference]: With dead ends: 355 [2020-07-19 20:58:07,230 INFO L226 Difference]: Without dead ends: 257 [2020-07-19 20:58:07,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 20:58:07,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-19 20:58:07,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 211. [2020-07-19 20:58:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-07-19 20:58:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 243 transitions. [2020-07-19 20:58:07,288 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 243 transitions. Word has length 69 [2020-07-19 20:58:07,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:07,288 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 243 transitions. [2020-07-19 20:58:07,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 20:58:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 243 transitions. [2020-07-19 20:58:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 20:58:07,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:07,293 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 20:58:07,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:58:07,293 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:07,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:07,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1442987939, now seen corresponding path program 1 times [2020-07-19 20:58:07,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:07,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244499243] [2020-07-19 20:58:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,631 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:07,766 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 20:58:07,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244499243] [2020-07-19 20:58:07,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:07,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:58:07,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930794656] [2020-07-19 20:58:07,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:58:07,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:07,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:58:07,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:58:07,771 INFO L87 Difference]: Start difference. First operand 211 states and 243 transitions. Second operand 9 states. [2020-07-19 20:58:08,432 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:09,486 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:09,822 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:10,408 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:10,652 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:11,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:11,774 INFO L93 Difference]: Finished difference Result 624 states and 785 transitions. [2020-07-19 20:58:11,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 20:58:11,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-19 20:58:11,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:11,779 INFO L225 Difference]: With dead ends: 624 [2020-07-19 20:58:11,779 INFO L226 Difference]: Without dead ends: 441 [2020-07-19 20:58:11,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 20:58:11,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-07-19 20:58:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 370. [2020-07-19 20:58:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-07-19 20:58:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 426 transitions. [2020-07-19 20:58:11,860 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 426 transitions. Word has length 83 [2020-07-19 20:58:11,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:11,860 INFO L479 AbstractCegarLoop]: Abstraction has 370 states and 426 transitions. [2020-07-19 20:58:11,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:58:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 426 transitions. [2020-07-19 20:58:11,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-19 20:58:11,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:11,863 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 20:58:11,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:58:11,863 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:11,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:11,863 INFO L82 PathProgramCache]: Analyzing trace with hash -142547263, now seen corresponding path program 1 times [2020-07-19 20:58:11,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:11,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024607359] [2020-07-19 20:58:11,864 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,178 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:12,383 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 20:58:12,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024607359] [2020-07-19 20:58:12,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:12,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 20:58:12,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164732839] [2020-07-19 20:58:12,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 20:58:12,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:12,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 20:58:12,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:58:12,387 INFO L87 Difference]: Start difference. First operand 370 states and 426 transitions. Second operand 10 states. [2020-07-19 20:58:13,192 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:14,413 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:15,502 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:15,755 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:16,040 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:16,472 INFO L93 Difference]: Finished difference Result 818 states and 1011 transitions. [2020-07-19 20:58:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 20:58:16,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2020-07-19 20:58:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:16,477 INFO L225 Difference]: With dead ends: 818 [2020-07-19 20:58:16,477 INFO L226 Difference]: Without dead ends: 476 [2020-07-19 20:58:16,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-19 20:58:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-07-19 20:58:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 369. [2020-07-19 20:58:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-07-19 20:58:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 423 transitions. [2020-07-19 20:58:16,564 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 423 transitions. Word has length 87 [2020-07-19 20:58:16,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:16,564 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 423 transitions. [2020-07-19 20:58:16,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 20:58:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 423 transitions. [2020-07-19 20:58:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 20:58:16,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:16,567 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:16,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 20:58:16,567 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:16,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:16,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1138633269, now seen corresponding path program 1 times [2020-07-19 20:58:16,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:16,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66940231] [2020-07-19 20:58:16,568 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,815 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:58:16,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66940231] [2020-07-19 20:58:16,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:16,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 20:58:16,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067865957] [2020-07-19 20:58:16,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 20:58:16,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:16,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 20:58:16,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:58:16,991 INFO L87 Difference]: Start difference. First operand 369 states and 423 transitions. Second operand 10 states. [2020-07-19 20:58:18,038 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:18,283 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 20:58:18,548 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:18,772 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:19,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:19,918 INFO L93 Difference]: Finished difference Result 825 states and 1040 transitions. [2020-07-19 20:58:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 20:58:19,918 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-19 20:58:19,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:19,922 INFO L225 Difference]: With dead ends: 825 [2020-07-19 20:58:19,922 INFO L226 Difference]: Without dead ends: 484 [2020-07-19 20:58:19,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 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 20:58:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-07-19 20:58:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 379. [2020-07-19 20:58:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-07-19 20:58:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2020-07-19 20:58:19,992 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 103 [2020-07-19 20:58:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:19,992 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2020-07-19 20:58:19,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 20:58:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2020-07-19 20:58:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 20:58:19,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:19,995 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:58:19,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 20:58:19,995 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:19,995 INFO L82 PathProgramCache]: Analyzing trace with hash 789639433, now seen corresponding path program 1 times [2020-07-19 20:58:19,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:19,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737149319] [2020-07-19 20:58:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,281 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:58:20,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737149319] [2020-07-19 20:58:20,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:20,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 20:58:20,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031543891] [2020-07-19 20:58:20,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 20:58:20,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:20,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 20:58:20,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:58:20,458 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 12 states. [2020-07-19 20:58:21,152 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:21,413 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:21,656 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:22,306 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:22,575 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:22,812 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:23,981 INFO L93 Difference]: Finished difference Result 845 states and 1062 transitions. [2020-07-19 20:58:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:58:23,981 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 103 [2020-07-19 20:58:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:23,985 INFO L225 Difference]: With dead ends: 845 [2020-07-19 20:58:23,985 INFO L226 Difference]: Without dead ends: 494 [2020-07-19 20:58:23,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 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 20:58:23,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-07-19 20:58:24,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 387. [2020-07-19 20:58:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-19 20:58:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 441 transitions. [2020-07-19 20:58:24,072 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 441 transitions. Word has length 103 [2020-07-19 20:58:24,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:24,073 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 441 transitions. [2020-07-19 20:58:24,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 20:58:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2020-07-19 20:58:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 20:58:24,075 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:24,075 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:58:24,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 20:58:24,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:24,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:24,076 INFO L82 PathProgramCache]: Analyzing trace with hash 549099304, now seen corresponding path program 1 times [2020-07-19 20:58:24,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:24,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49962053] [2020-07-19 20:58:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,398 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:58:24,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49962053] [2020-07-19 20:58:24,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:24,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:58:24,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666960390] [2020-07-19 20:58:24,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:58:24,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:24,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:58:24,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:58:24,593 INFO L87 Difference]: Start difference. First operand 387 states and 441 transitions. Second operand 8 states. [2020-07-19 20:58:25,030 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:25,533 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:27,809 INFO L93 Difference]: Finished difference Result 1164 states and 1513 transitions. [2020-07-19 20:58:27,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 20:58:27,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-07-19 20:58:27,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:27,815 INFO L225 Difference]: With dead ends: 1164 [2020-07-19 20:58:27,815 INFO L226 Difference]: Without dead ends: 805 [2020-07-19 20:58:27,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:58:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-07-19 20:58:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 673. [2020-07-19 20:58:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-07-19 20:58:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 795 transitions. [2020-07-19 20:58:27,956 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 795 transitions. Word has length 103 [2020-07-19 20:58:27,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:27,956 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 795 transitions. [2020-07-19 20:58:27,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:58:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 795 transitions. [2020-07-19 20:58:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 20:58:27,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:27,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:58:27,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 20:58:27,960 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:27,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:27,960 INFO L82 PathProgramCache]: Analyzing trace with hash 290063790, now seen corresponding path program 1 times [2020-07-19 20:58:27,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:27,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689199533] [2020-07-19 20:58:27,961 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,249 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 20:58:28,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689199533] [2020-07-19 20:58:28,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131333140] [2020-07-19 20:58:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 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 20:58:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:28,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:58:28,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:58:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:29,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:58:29,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 20:58:29,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018748975] [2020-07-19 20:58:29,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:58:29,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:29,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:58:29,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:58:29,016 INFO L87 Difference]: Start difference. First operand 673 states and 795 transitions. Second operand 8 states. [2020-07-19 20:58:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:29,474 INFO L93 Difference]: Finished difference Result 1283 states and 1526 transitions. [2020-07-19 20:58:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:58:29,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-19 20:58:29,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:29,479 INFO L225 Difference]: With dead ends: 1283 [2020-07-19 20:58:29,479 INFO L226 Difference]: Without dead ends: 638 [2020-07-19 20:58:29,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 131 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:58:29,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-07-19 20:58:29,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2020-07-19 20:58:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-07-19 20:58:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 739 transitions. [2020-07-19 20:58:29,625 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 739 transitions. Word has length 107 [2020-07-19 20:58:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:29,625 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 739 transitions. [2020-07-19 20:58:29,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:58:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 739 transitions. [2020-07-19 20:58:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-19 20:58:29,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:29,630 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:58:29,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 20:58:29,844 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:29,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:29,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1933824326, now seen corresponding path program 1 times [2020-07-19 20:58:29,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:29,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748386423] [2020-07-19 20:58:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 [2020-07-19 20:58:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,135 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-19 20:58:30,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748386423] [2020-07-19 20:58:30,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320357584] [2020-07-19 20:58:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b6aeb04 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 20:58:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:30,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:58:30,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:58:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 20:58:30,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:58:30,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 20:58:30,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301341053] [2020-07-19 20:58:30,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:58:30,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:30,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:58:30,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 20:58:30,857 INFO L87 Difference]: Start difference. First operand 638 states and 739 transitions. Second operand 8 states. [2020-07-19 20:58:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:31,413 INFO L93 Difference]: Finished difference Result 1073 states and 1261 transitions. [2020-07-19 20:58:31,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:58:31,413 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-07-19 20:58:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:31,414 INFO L225 Difference]: With dead ends: 1073 [2020-07-19 20:58:31,415 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 20:58:31,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 20:58:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 20:58:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 20:58:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 20:58:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 20:58:31,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-07-19 20:58:31,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:31,419 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 20:58:31,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:58:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 20:58:31,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 20:58:31,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:58:31,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 20:58:32,400 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-19 20:58:32,629 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 205 [2020-07-19 20:58:33,608 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-07-19 20:58:34,808 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 203 [2020-07-19 20:58:35,031 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-07-19 20:58:35,167 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-07-19 20:58:35,629 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 257 [2020-07-19 20:58:36,077 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-07-19 20:58:36,901 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-07-19 20:58:37,215 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2020-07-19 20:58:38,054 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-07-19 20:58:38,218 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 20:58:38,392 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:58:38,569 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:58:39,634 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2020-07-19 20:58:39,813 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 20:58:40,036 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-19 20:58:40,944 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 25 [2020-07-19 20:58:41,154 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-19 20:58:41,715 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-19 20:58:41,922 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:42,452 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-19 20:58:43,003 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2020-07-19 20:58:43,190 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 20:58:43,731 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 18 [2020-07-19 20:58:44,253 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-19 20:58:44,434 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 20:58:44,995 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-19 20:58:45,179 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 20:58:45,703 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-19 20:58:46,197 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-07-19 20:58:46,720 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-07-19 20:58:47,248 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 20:58:47,970 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-19 20:58:48,497 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-07-19 20:58:49,485 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-07-19 20:58:50,635 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 204 DAG size of output: 22 [2020-07-19 20:58:50,805 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 20:58:50,988 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:58:52,026 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 197 DAG size of output: 25 [2020-07-19 20:58:52,194 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 20:58:52,367 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-19 20:58:52,541 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 20:58:52,729 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:58:53,087 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-19 20:58:53,293 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:58:53,474 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:58:53,652 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-19 20:58:54,212 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 20:58:54,910 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 20:58:55,081 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 20:58:55,677 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-07-19 20:58:56,600 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 25 [2020-07-19 20:58:57,092 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2020-07-19 20:58:57,773 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 20:58:57,983 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-19 20:58:57,988 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 20:58:57,988 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 20:58:57,988 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 20:58:57,988 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 20:58:57,989 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 20:58:57,989 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 20:58:57,989 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 20:58:57,989 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 20:58:57,989 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 20:58:57,989 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 20:58:57,990 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 20:58:57,991 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-19 20:58:57,991 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-19 20:58:57,991 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-19 20:58:57,991 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-19 20:58:57,991 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-19 20:58:57,991 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,991 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,992 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,992 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-07-19 20:58:57,992 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-07-19 20:58:57,992 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 20:58:57,992 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-19 20:58:57,992 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,993 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,993 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,993 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-19 20:58:57,993 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-07-19 20:58:57,993 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-07-19 20:58:57,993 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-07-19 20:58:57,993 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 20:58:57,994 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-19 20:58:57,995 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 20:58:57,995 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point L698-1(line 698) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2020-07-19 20:58:57,996 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 20:58:57,997 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 20:58:57,998 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,998 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-07-19 20:58:57,998 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:57,998 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-07-19 20:58:57,998 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2020-07-19 20:58:57,998 INFO L271 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: true [2020-07-19 20:58:57,998 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-19 20:58:57,998 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2020-07-19 20:58:57,998 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2020-07-19 20:58:57,998 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 20:58:57,999 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2020-07-19 20:58:57,999 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2020-07-19 20:58:57,999 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-07-19 20:58:57,999 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2020-07-19 20:58:57,999 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2020-07-19 20:58:57,999 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2020-07-19 20:58:57,999 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 20:58:57,999 INFO L268 CegarLoopResult]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2020-07-19 20:58:57,999 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 20:58:57,999 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse4 .cse1 .cse2) (or .cse3 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse2))) [2020-07-19 20:58:58,000 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2020-07-19 20:58:58,000 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-07-19 20:58:58,000 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 20:58:58,000 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:58:58,000 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-07-19 20:58:58,000 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-07-19 20:58:58,000 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2020-07-19 20:58:58,000 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2020-07-19 20:58:58,000 INFO L264 CegarLoopResult]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:58:58,000 INFO L264 CegarLoopResult]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L735(lines 734 779) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L764(lines 764 775) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:58:58,001 INFO L264 CegarLoopResult]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-19 20:58:58,001 INFO L264 CegarLoopResult]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2020-07-19 20:58:58,002 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:58:58,002 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point L941(lines 941 947) no Hoare annotation was computed. [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point L940(lines 940 950) no Hoare annotation was computed. [2020-07-19 20:58:58,003 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0) (or (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point L938-1(line 938) no Hoare annotation was computed. [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point L936(lines 936 953) no Hoare annotation was computed. [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2020-07-19 20:58:58,003 INFO L264 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2020-07-19 20:58:58,003 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point L845(lines 845 853) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 20:58:58,004 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 20:58:58,005 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-19 20:58:58,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point L630(lines 630 636) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2020-07-19 20:58:58,007 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L271 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: true [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,008 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,009 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-19 20:58:58,009 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2020-07-19 20:58:58,009 INFO L268 CegarLoopResult]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2020-07-19 20:58:58,009 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)) .cse4)) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2)))) [2020-07-19 20:58:58,009 INFO L264 CegarLoopResult]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse7 .cse5 .cse6)) (.cse1 (and .cse3 .cse7 .cse6)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse6) .cse0 .cse1 (and (<= 2 ~waterLevel~0) .cse6) .cse4 .cse2)))) [2020-07-19 20:58:58,009 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:58:58,009 INFO L268 CegarLoopResult]: For program point L536(lines 535 554) no Hoare annotation was computed. [2020-07-19 20:58:58,009 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:58:58,009 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2020-07-19 20:58:58,010 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2020-07-19 20:58:58,010 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-19 20:58:58,010 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-19 20:58:58,010 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-19 20:58:58,010 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-19 20:58:58,010 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-19 20:58:58,010 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-19 20:58:58,010 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-19 20:58:58,010 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-19 20:58:58,011 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-19 20:58:58,011 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-19 20:58:58,011 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2020-07-19 20:58:58,011 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2020-07-19 20:58:58,011 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2020-07-19 20:58:58,011 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 20:58:58,011 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-19 20:58:58,011 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-19 20:58:58,011 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-07-19 20:58:58,012 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-07-19 20:58:58,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,012 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 20:58:58,012 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 20:58:58,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:58:58,012 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-19 20:58:58,012 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-19 20:58:58,012 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:58:58,012 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-19 20:58:58,013 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-19 20:58:58,013 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-19 20:58:58,013 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-19 20:58:58,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:58:58 BoogieIcfgContainer [2020-07-19 20:58:58,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:58:58,032 INFO L168 Benchmark]: Toolchain (without parser) took 62572.48 ms. Allocated memory was 139.5 MB in the beginning and 864.6 MB in the end (delta: 725.1 MB). Free memory was 102.9 MB in the beginning and 146.7 MB in the end (delta: -43.7 MB). Peak memory consumption was 724.7 MB. Max. memory is 7.1 GB. [2020-07-19 20:58:58,032 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 20:58:58,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.32 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 170.9 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-19 20:58:58,034 INFO L168 Benchmark]: Boogie Preprocessor took 99.86 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 20:58:58,034 INFO L168 Benchmark]: RCFGBuilder took 1304.82 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.8 MB in the beginning and 194.4 MB in the end (delta: -27.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-19 20:58:58,035 INFO L168 Benchmark]: TraceAbstraction took 60486.63 ms. Allocated memory was 236.5 MB in the beginning and 864.6 MB in the end (delta: 628.1 MB). Free memory was 192.9 MB in the beginning and 146.7 MB in the end (delta: 46.3 MB). Peak memory consumption was 717.7 MB. Max. memory is 7.1 GB. [2020-07-19 20:58:58,038 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.32 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 170.9 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.86 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1304.82 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.8 MB in the beginning and 194.4 MB in the end (delta: -27.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60486.63 ms. Allocated memory was 236.5 MB in the beginning and 864.6 MB in the end (delta: 628.1 MB). Free memory was 192.9 MB in the beginning and 146.7 MB in the end (delta: 46.3 MB). Peak memory consumption was 717.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1607 SDtfs, 2567 SDslu, 2768 SDs, 0 SdLazy, 6077 SolverSat, 1608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 773 GetRequests, 590 SyntacticMatches, 7 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=673occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 665 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1535 PreInvPairs, 1618 NumberOfFragments, 1688 HoareAnnotationTreeSize, 1535 FomulaSimplifications, 75239425 FormulaSimplificationTreeSizeReduction, 5.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 1831755 FormulaSimplificationTreeSizeReductionInter, 20.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 396578 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1720 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 106/111 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...