/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 FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:14:46,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:14:46,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:14:46,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:14:46,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:14:46,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:14:46,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:14:46,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:14:46,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:14:46,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:14:46,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:14:46,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:14:46,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:14:46,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:14:46,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:14:46,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:14:46,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:14:46,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:14:46,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:14:46,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:14:46,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:14:46,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:14:46,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:14:46,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:14:46,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:14:46,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:14:46,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:14:46,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:14:46,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:14:46,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:14:46,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:14:46,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:14:46,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:14:46,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:14:46,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:14:46,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:14:46,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:14:46,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:14:46,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:14:46,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:14:46,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:14:46,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 17:14:46,185 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:14:46,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:14:46,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:14:46,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:14:46,189 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:14:46,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:14:46,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:14:46,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:14:46,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:14:46,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:14:46,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:14:46,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:14:46,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:14:46,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:14:46,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:14:46,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:14:46,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:14:46,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:14:46,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:14:46,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:14:46,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:14:46,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:14:46,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:14:46,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:14:46,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:14:46,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:14:46,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:14:46,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:14:46,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:14:46,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:14:46,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:14:46,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:14:46,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:14:46,551 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:14:46,552 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:14:46,553 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-08-21 17:14:46,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69615cfe7/2e1b779d17ea43f6b76cc7b44fc9a4dc/FLAGcb285914b [2020-08-21 17:14:47,130 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:14:47,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-08-21 17:14:47,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69615cfe7/2e1b779d17ea43f6b76cc7b44fc9a4dc/FLAGcb285914b [2020-08-21 17:14:47,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69615cfe7/2e1b779d17ea43f6b76cc7b44fc9a4dc [2020-08-21 17:14:47,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:14:47,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:14:47,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:14:47,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:14:47,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:14:47,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:14:47" (1/1) ... [2020-08-21 17:14:47,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd964f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:47, skipping insertion in model container [2020-08-21 17:14:47,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:14:47" (1/1) ... [2020-08-21 17:14:47,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:14:47,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:14:47,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:14:48,013 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:14:48,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:14:48,123 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:14:48,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48 WrapperNode [2020-08-21 17:14:48,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:14:48,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:14:48,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:14:48,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:14:48,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... [2020-08-21 17:14:48,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:14:48,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:14:48,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:14:48,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:14:48,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 17:14:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:14:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:14:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 17:14:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 17:14:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 17:14:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 17:14:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 17:14:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 17:14:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 17:14:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 17:14:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 17:14:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 17:14:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 17:14:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 17:14:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 17:14:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 17:14:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 17:14:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 17:14:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 17:14:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 17:14:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 17:14:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:14:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:14:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 17:14:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 17:14:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 17:14:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 17:14:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:14:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 17:14:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 17:14:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:14:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 17:14:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 17:14:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:14:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 17:14:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 17:14:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 17:14:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 17:14:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 17:14:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 17:14:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 17:14:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 17:14:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 17:14:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 17:14:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 17:14:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 17:14:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 17:14:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 17:14:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 17:14:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 17:14:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 17:14:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 17:14:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 17:14:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 17:14:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 17:14:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 17:14:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 17:14:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 17:14:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 17:14:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:14:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 17:14:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:14:49,435 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:14:49,436 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 17:14:49,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:14:49 BoogieIcfgContainer [2020-08-21 17:14:49,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:14:49,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:14:49,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:14:49,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:14:49,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:14:47" (1/3) ... [2020-08-21 17:14:49,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a1c536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:14:49, skipping insertion in model container [2020-08-21 17:14:49,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:14:48" (2/3) ... [2020-08-21 17:14:49,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a1c536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:14:49, skipping insertion in model container [2020-08-21 17:14:49,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:14:49" (3/3) ... [2020-08-21 17:14:49,455 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-08-21 17:14:49,467 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:14:49,477 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:14:49,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:14:49,516 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:14:49,516 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:14:49,516 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:14:49,517 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:14:49,517 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:14:49,517 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:14:49,517 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:14:49,517 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:14:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-08-21 17:14:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 17:14:49,550 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:49,551 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:49,552 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:49,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2020-08-21 17:14:49,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:49,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763697572] [2020-08-21 17:14:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,222 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:14:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 17:14:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 17:14:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:50,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763697572] [2020-08-21 17:14:50,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:50,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 17:14:50,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994140585] [2020-08-21 17:14:50,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 17:14:50,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:50,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 17:14:50,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:14:50,453 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 4 states. [2020-08-21 17:14:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:51,163 INFO L93 Difference]: Finished difference Result 255 states and 332 transitions. [2020-08-21 17:14:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 17:14:51,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 17:14:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:51,179 INFO L225 Difference]: With dead ends: 255 [2020-08-21 17:14:51,180 INFO L226 Difference]: Without dead ends: 141 [2020-08-21 17:14:51,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:14:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-08-21 17:14:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2020-08-21 17:14:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-21 17:14:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-21 17:14:51,277 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2020-08-21 17:14:51,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:51,278 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-21 17:14:51,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 17:14:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-21 17:14:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 17:14:51,282 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:51,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:51,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:14:51,283 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:51,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:51,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1025601363, now seen corresponding path program 1 times [2020-08-21 17:14:51,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:51,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646857886] [2020-08-21 17:14:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,616 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 17:14:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 17:14:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 17:14:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:51,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646857886] [2020-08-21 17:14:51,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:51,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 17:14:51,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845092741] [2020-08-21 17:14:51,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:14:51,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:51,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:14:51,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:14:51,694 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-08-21 17:14:52,225 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:14:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:52,891 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2020-08-21 17:14:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 17:14:52,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-21 17:14:52,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:52,894 INFO L225 Difference]: With dead ends: 200 [2020-08-21 17:14:52,895 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 17:14:52,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:14:52,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 17:14:52,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-08-21 17:14:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 17:14:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-08-21 17:14:52,929 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 60 [2020-08-21 17:14:52,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:52,930 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-08-21 17:14:52,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:14:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-08-21 17:14:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 17:14:52,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:52,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:52,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:14:52,933 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:52,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2020-08-21 17:14:52,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:52,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701180930] [2020-08-21 17:14:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,275 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:53,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:14:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 17:14:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 17:14:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:53,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701180930] [2020-08-21 17:14:53,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:53,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:14:53,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032408637] [2020-08-21 17:14:53,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:14:53,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:53,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:14:53,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:14:53,486 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2020-08-21 17:14:53,946 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:14:54,281 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:14:54,576 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:14:54,807 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:14:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:55,741 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2020-08-21 17:14:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:14:55,742 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 17:14:55,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:55,746 INFO L225 Difference]: With dead ends: 209 [2020-08-21 17:14:55,746 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 17:14:55,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:14:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 17:14:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-08-21 17:14:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 17:14:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-21 17:14:55,804 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 64 [2020-08-21 17:14:55,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:55,807 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-21 17:14:55,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:14:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-21 17:14:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-21 17:14:55,816 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:55,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:14:55,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:14:55,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:55,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:55,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2020-08-21 17:14:55,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:55,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502780865] [2020-08-21 17:14:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,153 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:14:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:14:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:14:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 17:14:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 17:14:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:14:56,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502780865] [2020-08-21 17:14:56,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:56,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:14:56,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155547740] [2020-08-21 17:14:56,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:14:56,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:56,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:14:56,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:14:56,269 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2020-08-21 17:14:56,702 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:14:58,036 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:14:58,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:14:58,352 INFO L93 Difference]: Finished difference Result 299 states and 376 transitions. [2020-08-21 17:14:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 17:14:58,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-08-21 17:14:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:14:58,361 INFO L225 Difference]: With dead ends: 299 [2020-08-21 17:14:58,361 INFO L226 Difference]: Without dead ends: 221 [2020-08-21 17:14:58,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:14:58,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-08-21 17:14:58,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2020-08-21 17:14:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-08-21 17:14:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2020-08-21 17:14:58,409 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 72 [2020-08-21 17:14:58,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:14:58,410 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2020-08-21 17:14:58,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:14:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2020-08-21 17:14:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-08-21 17:14:58,412 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:14:58,412 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] [2020-08-21 17:14:58,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:14:58,412 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:14:58,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:14:58,413 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2020-08-21 17:14:58,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:14:58,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190749075] [2020-08-21 17:14:58,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:14:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,703 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:14:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:14:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:14:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:14:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:14:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:14:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:14:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:14:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:14:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:14:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:14:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:14:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-21 17:14:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 17:14:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:14:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:14:58,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190749075] [2020-08-21 17:14:58,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:14:58,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:14:58,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192774093] [2020-08-21 17:14:58,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:14:58,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:14:58,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:14:58,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:14:58,821 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand 9 states. [2020-08-21 17:14:59,379 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:00,039 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:00,688 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:00,989 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:01,390 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:01,640 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:02,024 INFO L93 Difference]: Finished difference Result 370 states and 457 transitions. [2020-08-21 17:15:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 17:15:02,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-08-21 17:15:02,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:02,031 INFO L225 Difference]: With dead ends: 370 [2020-08-21 17:15:02,031 INFO L226 Difference]: Without dead ends: 220 [2020-08-21 17:15:02,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-21 17:15:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-08-21 17:15:02,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 177. [2020-08-21 17:15:02,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-08-21 17:15:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2020-08-21 17:15:02,072 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 86 [2020-08-21 17:15:02,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:02,073 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2020-08-21 17:15:02,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:15:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2020-08-21 17:15:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-21 17:15:02,075 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:02,075 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] [2020-08-21 17:15:02,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:15:02,075 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:02,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:02,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2020-08-21 17:15:02,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:02,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184672905] [2020-08-21 17:15:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,328 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:02,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:15:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:15:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 17:15:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:15:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:02,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184672905] [2020-08-21 17:15:02,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:02,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:15:02,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544907762] [2020-08-21 17:15:02,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:15:02,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:02,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:15:02,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:15:02,509 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 9 states. [2020-08-21 17:15:03,528 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:03,795 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:04,060 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:04,314 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:04,746 INFO L93 Difference]: Finished difference Result 368 states and 453 transitions. [2020-08-21 17:15:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 17:15:04,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-08-21 17:15:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:04,751 INFO L225 Difference]: With dead ends: 368 [2020-08-21 17:15:04,751 INFO L226 Difference]: Without dead ends: 219 [2020-08-21 17:15:04,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:15:04,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-08-21 17:15:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 182. [2020-08-21 17:15:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-08-21 17:15:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2020-08-21 17:15:04,788 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 87 [2020-08-21 17:15:04,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:04,789 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2020-08-21 17:15:04,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:15:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2020-08-21 17:15:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-21 17:15:04,790 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:04,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:04,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 17:15:04,791 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:04,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:04,791 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2020-08-21 17:15:04,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:04,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777576367] [2020-08-21 17:15:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,075 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:05,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:15:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:15:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 17:15:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:15:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:05,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777576367] [2020-08-21 17:15:05,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:05,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 17:15:05,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286957614] [2020-08-21 17:15:05,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:15:05,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:05,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:15:05,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:15:05,205 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand 11 states. [2020-08-21 17:15:06,104 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:06,456 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:06,758 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:07,428 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:07,701 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:07,938 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:08,503 INFO L93 Difference]: Finished difference Result 380 states and 472 transitions. [2020-08-21 17:15:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 17:15:08,504 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2020-08-21 17:15:08,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:08,506 INFO L225 Difference]: With dead ends: 380 [2020-08-21 17:15:08,506 INFO L226 Difference]: Without dead ends: 226 [2020-08-21 17:15:08,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-21 17:15:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-08-21 17:15:08,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 186. [2020-08-21 17:15:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-08-21 17:15:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2020-08-21 17:15:08,538 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2020-08-21 17:15:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:08,539 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2020-08-21 17:15:08,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:15:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2020-08-21 17:15:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-21 17:15:08,540 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:08,540 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:08,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 17:15:08,540 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2020-08-21 17:15:08,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:08,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260276226] [2020-08-21 17:15:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,935 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:08,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:15:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:08,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:15:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 17:15:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:15:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:09,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260276226] [2020-08-21 17:15:09,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:09,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:15:09,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39785739] [2020-08-21 17:15:09,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:15:09,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:09,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:15:09,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:15:09,088 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 7 states. [2020-08-21 17:15:09,899 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:10,398 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:11,762 INFO L93 Difference]: Finished difference Result 539 states and 681 transitions. [2020-08-21 17:15:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 17:15:11,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-08-21 17:15:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:11,768 INFO L225 Difference]: With dead ends: 539 [2020-08-21 17:15:11,768 INFO L226 Difference]: Without dead ends: 381 [2020-08-21 17:15:11,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-21 17:15:11,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-08-21 17:15:11,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 343. [2020-08-21 17:15:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-08-21 17:15:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 404 transitions. [2020-08-21 17:15:11,831 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 404 transitions. Word has length 87 [2020-08-21 17:15:11,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:11,832 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 404 transitions. [2020-08-21 17:15:11,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:15:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 404 transitions. [2020-08-21 17:15:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-08-21 17:15:11,833 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:11,833 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:11,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 17:15:11,834 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:11,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:11,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2020-08-21 17:15:11,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:11,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643233954] [2020-08-21 17:15:11,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,172 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:15:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 17:15:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 17:15:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 17:15:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-21 17:15:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:15:12,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643233954] [2020-08-21 17:15:12,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:15:12,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 17:15:12,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68949423] [2020-08-21 17:15:12,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 17:15:12,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:12,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 17:15:12,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 17:15:12,330 INFO L87 Difference]: Start difference. First operand 343 states and 404 transitions. Second operand 12 states. [2020-08-21 17:15:12,794 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:13,444 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:14,342 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:14,649 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:14,908 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 17:15:15,162 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:15,416 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:16,228 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:16,482 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:15:17,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:17,048 INFO L93 Difference]: Finished difference Result 937 states and 1174 transitions. [2020-08-21 17:15:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 17:15:17,049 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-08-21 17:15:17,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:17,053 INFO L225 Difference]: With dead ends: 937 [2020-08-21 17:15:17,054 INFO L226 Difference]: Without dead ends: 687 [2020-08-21 17:15:17,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 17:15:17,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-08-21 17:15:17,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 580. [2020-08-21 17:15:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-08-21 17:15:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 676 transitions. [2020-08-21 17:15:17,173 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 676 transitions. Word has length 91 [2020-08-21 17:15:17,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:17,173 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 676 transitions. [2020-08-21 17:15:17,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 17:15:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 676 transitions. [2020-08-21 17:15:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-21 17:15:17,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:15:17,176 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:15:17,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 17:15:17,176 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:15:17,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:15:17,177 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2020-08-21 17:15:17,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:15:17,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072562204] [2020-08-21 17:15:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:15:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,523 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:15:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:15:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:15:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:15:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:15:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:15:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 17:15:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 17:15:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 17:15:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 17:15:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:15:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-21 17:15:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:15:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 17:15:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-21 17:15:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 17:15:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-21 17:15:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-21 17:15:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:15:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 17:15:17,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072562204] [2020-08-21 17:15:17,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:15:17,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 17:15:17,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490141564] [2020-08-21 17:15:17,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 17:15:17,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:15:17,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 17:15:17,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-21 17:15:17,764 INFO L87 Difference]: Start difference. First operand 580 states and 676 transitions. Second operand 16 states. [2020-08-21 17:15:18,345 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 17:15:18,682 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 17:15:18,944 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 17:15:19,207 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 17:15:19,810 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:20,091 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:20,784 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:15:21,129 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:21,982 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:22,259 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:22,562 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:15:22,867 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 17:15:23,363 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:23,861 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 17:15:24,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:15:24,091 INFO L93 Difference]: Finished difference Result 904 states and 1076 transitions. [2020-08-21 17:15:24,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-21 17:15:24,092 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 134 [2020-08-21 17:15:24,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:15:24,093 INFO L225 Difference]: With dead ends: 904 [2020-08-21 17:15:24,093 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:15:24,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=424, Invalid=1468, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 17:15:24,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:15:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:15:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:15:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:15:24,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-08-21 17:15:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:15:24,102 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:15:24,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 17:15:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:15:24,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:15:24,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 17:15:24,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:15:24,772 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-08-21 17:15:26,672 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 222 [2020-08-21 17:15:26,937 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-08-21 17:15:27,253 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2020-08-21 17:15:28,181 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-08-21 17:15:28,642 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-08-21 17:15:28,808 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 17:15:28,966 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 17:15:29,172 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-08-21 17:15:29,345 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 17:15:29,877 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-08-21 17:15:30,045 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 17:15:30,186 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 17:15:30,389 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:15:31,242 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2020-08-21 17:15:31,382 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 17:15:31,570 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-08-21 17:15:32,369 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-08-21 17:15:32,641 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-08-21 17:15:32,819 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 17:15:33,665 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 26 [2020-08-21 17:15:34,171 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-21 17:15:35,003 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-08-21 17:15:35,170 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 17:15:35,518 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 30 [2020-08-21 17:15:35,903 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-21 17:15:36,456 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-08-21 17:15:36,625 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 17:15:36,882 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-21 17:15:37,045 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 17:15:37,199 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-08-21 17:15:37,724 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 30 [2020-08-21 17:15:37,941 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-08-21 17:15:38,107 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 17:15:38,270 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-08-21 17:15:38,506 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-08-21 17:15:38,673 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 17:15:38,823 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 17:15:38,996 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-08-21 17:15:39,177 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-08-21 17:15:39,351 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-08-21 17:15:39,369 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-21 17:15:39,370 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-21 17:15:39,370 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 17:15:39,370 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-21 17:15:39,370 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-21 17:15:39,370 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-21 17:15:39,370 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-21 17:15:39,371 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2020-08-21 17:15:39,372 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2020-08-21 17:15:39,372 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2020-08-21 17:15:39,373 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 17:15:39,373 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2020-08-21 17:15:39,373 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2020-08-21 17:15:39,373 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-21 17:15:39,373 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-08-21 17:15:39,373 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2020-08-21 17:15:39,374 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2020-08-21 17:15:39,374 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-21 17:15:39,374 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2020-08-21 17:15:39,374 INFO L268 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-08-21 17:15:39,374 INFO L268 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-08-21 17:15:39,374 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-21 17:15:39,375 INFO L268 CegarLoopResult]: For program point L909-1(line 909) no Hoare annotation was computed. [2020-08-21 17:15:39,375 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2020-08-21 17:15:39,375 INFO L268 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-08-21 17:15:39,375 INFO L268 CegarLoopResult]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2020-08-21 17:15:39,375 INFO L271 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: true [2020-08-21 17:15:39,375 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-08-21 17:15:39,375 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 752 774) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,376 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,376 INFO L264 CegarLoopResult]: At program point L764-1(line 764) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,376 INFO L268 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-08-21 17:15:39,376 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2020-08-21 17:15:39,376 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2020-08-21 17:15:39,376 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-08-21 17:15:39,376 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,377 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,377 INFO L264 CegarLoopResult]: At program point L758-1(line 758) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,377 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2020-08-21 17:15:39,377 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2020-08-21 17:15:39,377 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2020-08-21 17:15:39,377 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2020-08-21 17:15:39,377 INFO L268 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-08-21 17:15:39,377 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-08-21 17:15:39,378 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point L603(lines 603 611) no Hoare annotation was computed. [2020-08-21 17:15:39,379 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2020-08-21 17:15:39,380 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-21 17:15:39,381 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-21 17:15:39,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-21 17:15:39,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-21 17:15:39,382 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,382 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2020-08-21 17:15:39,382 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-08-21 17:15:39,382 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2020-08-21 17:15:39,382 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2020-08-21 17:15:39,382 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-08-21 17:15:39,383 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2020-08-21 17:15:39,383 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2020-08-21 17:15:39,384 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:39,384 INFO L268 CegarLoopResult]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2020-08-21 17:15:39,384 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse1 .cse0 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-21 17:15:39,384 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2020-08-21 17:15:39,384 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:39,384 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:39,385 INFO L268 CegarLoopResult]: For program point L531(lines 531 539) no Hoare annotation was computed. [2020-08-21 17:15:39,385 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 17:15:39,385 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-08-21 17:15:39,385 INFO L268 CegarLoopResult]: For program point L527(lines 527 544) no Hoare annotation was computed. [2020-08-21 17:15:39,385 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2020-08-21 17:15:39,385 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2020-08-21 17:15:39,385 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,386 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-21 17:15:39,386 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-08-21 17:15:39,386 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-08-21 17:15:39,386 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2020-08-21 17:15:39,386 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 17:15:39,386 INFO L264 CegarLoopResult]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 17:15:39,386 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-08-21 17:15:39,386 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-08-21 17:15:39,387 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-08-21 17:15:39,387 INFO L264 CegarLoopResult]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:15:39,387 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-08-21 17:15:39,387 INFO L264 CegarLoopResult]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 17:15:39,387 INFO L268 CegarLoopResult]: For program point L421(lines 420 465) no Hoare annotation was computed. [2020-08-21 17:15:39,387 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2020-08-21 17:15:39,387 INFO L268 CegarLoopResult]: For program point L450(lines 450 461) no Hoare annotation was computed. [2020-08-21 17:15:39,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-08-21 17:15:39,388 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-21 17:15:39,389 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2020-08-21 17:15:39,390 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2020-08-21 17:15:39,391 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2020-08-21 17:15:39,391 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,391 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 17:15:39,391 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,391 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2020-08-21 17:15:39,391 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2020-08-21 17:15:39,392 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 17:15:39,392 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2020-08-21 17:15:39,392 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2020-08-21 17:15:39,392 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-08-21 17:15:39,392 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2020-08-21 17:15:39,392 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-08-21 17:15:39,392 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2020-08-21 17:15:39,392 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-08-21 17:15:39,392 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2020-08-21 17:15:39,393 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-21 17:15:39,393 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2020-08-21 17:15:39,394 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-21 17:15:39,394 INFO L264 CegarLoopResult]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-21 17:15:39,394 INFO L264 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-21 17:15:39,394 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse3 .cse4) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse5 .cse6 .cse3)))) [2020-08-21 17:15:39,394 INFO L268 CegarLoopResult]: For program point L495(lines 491 513) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L268 CegarLoopResult]: For program point L493(lines 491 513) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L271 CegarLoopResult]: At program point L704(lines 679 708) the Hoare annotation is: true [2020-08-21 17:15:39,395 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2020-08-21 17:15:39,395 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-08-21 17:15:39,395 INFO L271 CegarLoopResult]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2020-08-21 17:15:39,396 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-08-21 17:15:39,396 INFO L271 CegarLoopResult]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2020-08-21 17:15:39,396 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-08-21 17:15:39,396 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-08-21 17:15:39,396 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2020-08-21 17:15:39,396 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2020-08-21 17:15:39,396 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2020-08-21 17:15:39,396 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-21 17:15:39,397 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2020-08-21 17:15:39,397 INFO L268 CegarLoopResult]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2020-08-21 17:15:39,397 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2020-08-21 17:15:39,397 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2020-08-21 17:15:39,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,397 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 17:15:39,397 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:15:39,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:15:39,398 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2020-08-21 17:15:39,398 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-21 17:15:39,398 INFO L268 CegarLoopResult]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2020-08-21 17:15:39,398 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2020-08-21 17:15:39,398 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-08-21 17:15:39,398 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2020-08-21 17:15:39,398 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2020-08-21 17:15:39,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:15:39 BoogieIcfgContainer [2020-08-21 17:15:39,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:15:39,419 INFO L168 Benchmark]: Toolchain (without parser) took 51939.05 ms. Allocated memory was 142.6 MB in the beginning and 679.5 MB in the end (delta: 536.9 MB). Free memory was 104.4 MB in the beginning and 333.9 MB in the end (delta: -229.5 MB). Peak memory consumption was 538.7 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:39,420 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 17:15:39,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.12 ms. Allocated memory was 142.6 MB in the beginning and 205.0 MB in the end (delta: 62.4 MB). Free memory was 104.2 MB in the beginning and 173.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:39,421 INFO L168 Benchmark]: Boogie Preprocessor took 89.74 ms. Allocated memory is still 205.0 MB. Free memory was 173.4 MB in the beginning and 169.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:39,422 INFO L168 Benchmark]: RCFGBuilder took 1230.98 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 189.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:39,422 INFO L168 Benchmark]: TraceAbstraction took 49969.46 ms. Allocated memory was 233.3 MB in the beginning and 679.5 MB in the end (delta: 446.2 MB). Free memory was 188.3 MB in the beginning and 333.9 MB in the end (delta: -145.6 MB). Peak memory consumption was 531.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:15:39,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.12 ms. Allocated memory was 142.6 MB in the beginning and 205.0 MB in the end (delta: 62.4 MB). Free memory was 104.2 MB in the beginning and 173.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.74 ms. Allocated memory is still 205.0 MB. Free memory was 173.4 MB in the beginning and 169.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.98 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 189.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49969.46 ms. Allocated memory was 233.3 MB in the beginning and 679.5 MB in the end (delta: 446.2 MB). Free memory was 188.3 MB in the beginning and 333.9 MB in the end (delta: -145.6 MB). Peak memory consumption was 531.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || !(\old(waterLevel) == 1)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1163 SDtfs, 2472 SDslu, 1740 SDs, 0 SdLazy, 6018 SolverSat, 1625 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 303 SyntacticMatches, 3 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 384 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 759 PreInvPairs, 818 NumberOfFragments, 1594 HoareAnnotationTreeSize, 759 FomulaSimplifications, 18161414 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 131731 FormulaSimplificationTreeSizeReductionInter, 11.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 827 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 817 ConstructedInterpolants, 0 QuantifiedInterpolants, 280923 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 59/65 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...