/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:09:42,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:09:42,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:09:42,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:09:42,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:09:42,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:09:42,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:09:42,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:09:42,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:09:42,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:09:42,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:09:42,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:09:42,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:09:42,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:09:42,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:09:42,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:09:42,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:09:42,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:09:42,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:09:42,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:09:42,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:09:42,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:09:42,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:09:42,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:09:42,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:09:42,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:09:42,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:09:42,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:09:42,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:09:42,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:09:42,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:09:42,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:09:42,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:09:42,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:09:42,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:09:42,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:09:42,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:09:42,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:09:42,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:09:42,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:09:42,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:09:42,959 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 13:09:43,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:09:43,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:09:43,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:09:43,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:09:43,013 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:09:43,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:09:43,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:09:43,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:09:43,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:09:43,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:09:43,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:09:43,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:09:43,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:09:43,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:09:43,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:09:43,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:09:43,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:09:43,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:09:43,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:09:43,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:09:43,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:09:43,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:09:43,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:09:43,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:09:43,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:09:43,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:09:43,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:09:43,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:09:43,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:09:43,019 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 -> false [2020-08-21 13:09:43,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:09:43,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:09:43,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:09:43,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:09:43,362 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:09:43,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-08-21 13:09:43,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22ee2f1e7/3960586daac0490a9fa45cf5f2c61e35/FLAG2f3ce6977 [2020-08-21 13:09:43,967 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:09:43,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-08-21 13:09:43,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22ee2f1e7/3960586daac0490a9fa45cf5f2c61e35/FLAG2f3ce6977 [2020-08-21 13:09:44,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22ee2f1e7/3960586daac0490a9fa45cf5f2c61e35 [2020-08-21 13:09:44,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:09:44,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:09:44,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:09:44,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:09:44,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:09:44,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:44,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ba2538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44, skipping insertion in model container [2020-08-21 13:09:44,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:44,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:09:44,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:09:44,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:09:44,773 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:09:44,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:09:44,923 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:09:44,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44 WrapperNode [2020-08-21 13:09:44,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:09:44,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:09:44,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:09:44,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:09:44,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:44,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:44,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:44,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:44,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:45,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:45,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (1/1) ... [2020-08-21 13:09:45,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:09:45,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:09:45,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:09:45,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:09:45,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (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 13:09:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:09:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:09:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:09:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:09:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:09:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:09:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:09:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:09:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:09:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:09:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:09:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:09:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:09:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:09:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:09:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:09:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:09:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:09:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:09:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:09:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:09:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:09:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:09:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:09:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:09:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:09:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:09:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 13:09:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:09:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:09:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:09:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:09:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:09:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:09:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:09:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:09:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:09:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:09:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:09:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:09:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:09:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:09:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:09:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:09:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:09:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:09:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:09:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:09:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:09:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:09:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:09:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:09:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 13:09:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:09:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:09:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:09:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:09:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:09:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:09:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:09:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:09:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:09:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:09:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:09:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:09:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:09:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:09:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:09:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:09:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:09:46,213 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:09:46,214 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:09:46,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:09:46 BoogieIcfgContainer [2020-08-21 13:09:46,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:09:46,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:09:46,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:09:46,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:09:46,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:09:44" (1/3) ... [2020-08-21 13:09:46,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653e8a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:09:46, skipping insertion in model container [2020-08-21 13:09:46,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:09:44" (2/3) ... [2020-08-21 13:09:46,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653e8a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:09:46, skipping insertion in model container [2020-08-21 13:09:46,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:09:46" (3/3) ... [2020-08-21 13:09:46,233 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-08-21 13:09:46,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:09:46,254 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:09:46,269 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:09:46,298 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:09:46,298 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:09:46,299 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:09:46,299 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:09:46,299 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:09:46,299 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:09:46,299 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:09:46,300 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:09:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-08-21 13:09:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 13:09:46,328 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:09:46,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:09:46,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:09:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:09:46,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1757322053, now seen corresponding path program 1 times [2020-08-21 13:09:46,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:09:46,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837293812] [2020-08-21 13:09:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:09:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,033 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:09:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:09:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:09:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:09:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:09:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:09:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:09:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:09:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:09:47,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837293812] [2020-08-21 13:09:47,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:09:47,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:09:47,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356132140] [2020-08-21 13:09:47,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:09:47,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:09:47,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:09:47,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:09:47,188 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-08-21 13:09:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:09:48,040 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-08-21 13:09:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:09:48,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 13:09:48,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:09:48,069 INFO L225 Difference]: With dead ends: 199 [2020-08-21 13:09:48,069 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 13:09:48,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:09:48,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 13:09:48,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-08-21 13:09:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-08-21 13:09:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-08-21 13:09:48,147 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-08-21 13:09:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:09:48,147 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-08-21 13:09:48,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:09:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-08-21 13:09:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 13:09:48,151 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:09:48,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:09:48,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:09:48,152 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:09:48,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:09:48,152 INFO L82 PathProgramCache]: Analyzing trace with hash -745095734, now seen corresponding path program 1 times [2020-08-21 13:09:48,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:09:48,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253410336] [2020-08-21 13:09:48,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:09:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,526 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:09:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:09:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:09:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:09:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:09:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:09:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:09:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:09:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:09:48,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253410336] [2020-08-21 13:09:48,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:09:48,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:09:48,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891277495] [2020-08-21 13:09:48,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:09:48,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:09:48,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:09:48,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:09:48,599 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-08-21 13:09:49,067 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:09:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:09:49,503 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-08-21 13:09:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:09:49,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 13:09:49,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:09:49,508 INFO L225 Difference]: With dead ends: 132 [2020-08-21 13:09:49,508 INFO L226 Difference]: Without dead ends: 93 [2020-08-21 13:09:49,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:09:49,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-21 13:09:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-08-21 13:09:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-21 13:09:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-08-21 13:09:49,536 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-08-21 13:09:49,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:09:49,536 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-08-21 13:09:49,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:09:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-08-21 13:09:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 13:09:49,538 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:09:49,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:09:49,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:09:49,539 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:09:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:09:49,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1066187872, now seen corresponding path program 1 times [2020-08-21 13:09:49,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:09:49,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [854572613] [2020-08-21 13:09:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:09:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,861 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:09:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:09:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:09:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:09:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:09:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:09:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:09:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:09:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:09:49,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [854572613] [2020-08-21 13:09:49,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:09:49,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:09:49,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371635122] [2020-08-21 13:09:49,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:09:49,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:09:49,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:09:49,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:09:49,954 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-08-21 13:09:50,244 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:09:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:09:50,720 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-08-21 13:09:50,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:09:50,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 13:09:50,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:09:50,723 INFO L225 Difference]: With dead ends: 141 [2020-08-21 13:09:50,723 INFO L226 Difference]: Without dead ends: 93 [2020-08-21 13:09:50,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:09:50,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-21 13:09:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-08-21 13:09:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-21 13:09:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-08-21 13:09:50,749 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-08-21 13:09:50,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:09:50,750 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-08-21 13:09:50,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:09:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-08-21 13:09:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 13:09:50,752 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:09:50,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:09:50,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:09:50,752 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:09:50,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:09:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1773574869, now seen corresponding path program 1 times [2020-08-21 13:09:50,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:09:50,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691294384] [2020-08-21 13:09:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:09:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,063 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:09:51,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:09:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:09:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:09:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:09:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:09:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 13:09:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 13:09:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 13:09:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:09:51,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691294384] [2020-08-21 13:09:51,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:09:51,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 13:09:51,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717227015] [2020-08-21 13:09:51,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 13:09:51,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:09:51,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 13:09:51,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 13:09:51,200 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 11 states. [2020-08-21 13:09:51,720 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:09:52,021 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:09:52,270 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:09:52,520 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:09:53,030 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:09:53,565 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:09:53,831 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:09:54,089 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:09:54,331 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:09:54,576 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:09:54,841 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:09:55,103 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:09:55,332 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:09:55,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:09:55,810 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2020-08-21 13:09:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 13:09:55,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-08-21 13:09:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:09:55,815 INFO L225 Difference]: With dead ends: 217 [2020-08-21 13:09:55,815 INFO L226 Difference]: Without dead ends: 169 [2020-08-21 13:09:55,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-08-21 13:09:55,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-08-21 13:09:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 153. [2020-08-21 13:09:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-08-21 13:09:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-08-21 13:09:55,861 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 54 [2020-08-21 13:09:55,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:09:55,861 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-08-21 13:09:55,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 13:09:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-08-21 13:09:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-21 13:09:55,863 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:09:55,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:09:55,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:09:55,864 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:09:55,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:09:55,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1393150715, now seen corresponding path program 1 times [2020-08-21 13:09:55,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:09:55,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993254930] [2020-08-21 13:09:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:09:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,095 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:09:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:09:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:09:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:09:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:09:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:09:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 13:09:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:09:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:09:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 13:09:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:09:56,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993254930] [2020-08-21 13:09:56,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:09:56,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:09:56,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102941361] [2020-08-21 13:09:56,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:09:56,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:09:56,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:09:56,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:09:56,156 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 5 states. [2020-08-21 13:09:56,468 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:09:56,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:09:56,907 INFO L93 Difference]: Finished difference Result 242 states and 296 transitions. [2020-08-21 13:09:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 13:09:56,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-08-21 13:09:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:09:56,933 INFO L225 Difference]: With dead ends: 242 [2020-08-21 13:09:56,933 INFO L226 Difference]: Without dead ends: 148 [2020-08-21 13:09:56,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 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 13:09:56,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-21 13:09:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2020-08-21 13:09:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-08-21 13:09:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 153 transitions. [2020-08-21 13:09:56,968 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 153 transitions. Word has length 58 [2020-08-21 13:09:56,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:09:56,969 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 153 transitions. [2020-08-21 13:09:56,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:09:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2020-08-21 13:09:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-21 13:09:56,971 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:09:56,971 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:09:56,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:09:56,972 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:09:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:09:56,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1464178856, now seen corresponding path program 1 times [2020-08-21 13:09:56,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:09:56,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319190061] [2020-08-21 13:09:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:09:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,218 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:09:57,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:09:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:09:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:09:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:09:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:09:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 13:09:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:09:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:09:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 13:09:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:09:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 13:09:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 13:09:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 13:09:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-21 13:09:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:09:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 13:09:57,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319190061] [2020-08-21 13:09:57,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:09:57,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:09:57,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836265152] [2020-08-21 13:09:57,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:09:57,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:09:57,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:09:57,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:09:57,366 INFO L87 Difference]: Start difference. First operand 136 states and 153 transitions. Second operand 8 states. [2020-08-21 13:09:57,987 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 13:09:58,542 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:09:58,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:09:58,957 INFO L93 Difference]: Finished difference Result 183 states and 214 transitions. [2020-08-21 13:09:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:09:58,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-08-21 13:09:58,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:09:58,959 INFO L225 Difference]: With dead ends: 183 [2020-08-21 13:09:58,959 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:09:58,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-08-21 13:09:58,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:09:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:09:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:09:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:09:58,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-08-21 13:09:58,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:09:58,962 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:09:58,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:09:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:09:58,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:09:58,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:09:58,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:10:00,992 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-21 13:10:01,316 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-21 13:10:01,752 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-21 13:10:02,125 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-21 13:10:02,538 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-21 13:10:02,893 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-21 13:10:03,144 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:03,770 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-08-21 13:10:03,920 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-08-21 13:10:04,417 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-08-21 13:10:05,013 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 21 [2020-08-21 13:10:05,164 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-08-21 13:10:05,524 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-08-21 13:10:06,209 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-08-21 13:10:06,841 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-08-21 13:10:06,995 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-08-21 13:10:07,142 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-08-21 13:10:07,664 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-08-21 13:10:07,669 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-08-21 13:10:07,669 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-08-21 13:10:07,669 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-08-21 13:10:07,670 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-08-21 13:10:07,671 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-08-21 13:10:07,672 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-08-21 13:10:07,672 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-08-21 13:10:07,672 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-08-21 13:10:07,672 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-08-21 13:10:07,672 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2020-08-21 13:10:07,672 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2020-08-21 13:10:07,672 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-08-21 13:10:07,672 INFO L268 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2020-08-21 13:10:07,673 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-08-21 13:10:07,673 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-08-21 13:10:07,673 INFO L268 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2020-08-21 13:10:07,673 INFO L268 CegarLoopResult]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2020-08-21 13:10:07,673 INFO L271 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-08-21 13:10:07,673 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-08-21 13:10:07,673 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,673 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2020-08-21 13:10:07,674 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:10:07,674 INFO L264 CegarLoopResult]: At program point L176-1(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:10:07,674 INFO L268 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2020-08-21 13:10:07,674 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2020-08-21 13:10:07,674 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2020-08-21 13:10:07,674 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 13:10:07,675 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,675 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,675 INFO L264 CegarLoopResult]: At program point L170-1(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,675 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-08-21 13:10:07,675 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-21 13:10:07,675 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-08-21 13:10:07,675 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-08-21 13:10:07,676 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2020-08-21 13:10:07,677 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point L272(lines 272 280) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 265 300) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point L272-2(lines 272 280) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-08-21 13:10:07,678 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-08-21 13:10:07,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-08-21 13:10:07,679 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-08-21 13:10:07,680 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 245 255) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 237 244) no Hoare annotation was computed. [2020-08-21 13:10:07,681 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2020-08-21 13:10:07,682 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2020-08-21 13:10:07,682 INFO L268 CegarLoopResult]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2020-08-21 13:10:07,682 INFO L264 CegarLoopResult]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,682 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-08-21 13:10:07,682 INFO L268 CegarLoopResult]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2020-08-21 13:10:07,682 INFO L264 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 13:10:07,682 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-08-21 13:10:07,683 INFO L264 CegarLoopResult]: At program point L348-2(lines 342 353) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-08-21 13:10:07,683 INFO L268 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2020-08-21 13:10:07,683 INFO L268 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2020-08-21 13:10:07,683 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-08-21 13:10:07,683 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-08-21 13:10:07,683 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2020-08-21 13:10:07,683 INFO L264 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-08-21 13:10:07,684 INFO L264 CegarLoopResult]: At program point L355(lines 312 357) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-08-21 13:10:07,684 INFO L268 CegarLoopResult]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2020-08-21 13:10:07,684 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-08-21 13:10:07,684 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-08-21 13:10:07,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-08-21 13:10:07,684 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-08-21 13:10:07,684 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-08-21 13:10:07,685 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 415 437) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-08-21 13:10:07,686 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-08-21 13:10:07,687 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-08-21 13:10:07,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,688 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~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:10:07,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,688 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2020-08-21 13:10:07,688 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2))) [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,689 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,690 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,690 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-08-21 13:10:07,690 INFO L264 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-08-21 13:10:07,690 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-08-21 13:10:07,690 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-08-21 13:10:07,691 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2020-08-21 13:10:07,691 INFO L268 CegarLoopResult]: For program point L202(lines 201 220) no Hoare annotation was computed. [2020-08-21 13:10:07,691 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2020-08-21 13:10:07,691 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-08-21 13:10:07,691 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-08-21 13:10:07,691 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-08-21 13:10:07,691 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-08-21 13:10:07,691 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-08-21 13:10:07,692 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-08-21 13:10:07,692 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-08-21 13:10:07,692 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-08-21 13:10:07,692 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-08-21 13:10:07,692 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 13:10:07,692 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2020-08-21 13:10:07,692 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 406 414) no Hoare annotation was computed. [2020-08-21 13:10:07,692 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2020-08-21 13:10:07,693 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2020-08-21 13:10:07,693 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2020-08-21 13:10:07,693 INFO L268 CegarLoopResult]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2020-08-21 13:10:07,693 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-08-21 13:10:07,693 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-08-21 13:10:07,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,693 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-08-21 13:10:07,693 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:10:07,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:10:07,694 INFO L268 CegarLoopResult]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2020-08-21 13:10:07,694 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2020-08-21 13:10:07,694 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-08-21 13:10:07,694 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 13:10:07,694 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 13:10:07,695 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 13:10:07,695 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 13:10:07,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:10:07 BoogieIcfgContainer [2020-08-21 13:10:07,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:10:07,713 INFO L168 Benchmark]: Toolchain (without parser) took 23420.73 ms. Allocated memory was 140.5 MB in the beginning and 600.8 MB in the end (delta: 460.3 MB). Free memory was 102.3 MB in the beginning and 532.5 MB in the end (delta: -430.1 MB). Peak memory consumption was 451.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:07,714 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:10:07,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.34 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 171.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:07,715 INFO L168 Benchmark]: Boogie Preprocessor took 92.05 ms. Allocated memory is still 203.4 MB. Free memory was 171.8 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:07,716 INFO L168 Benchmark]: RCFGBuilder took 1205.85 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 201.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:07,717 INFO L168 Benchmark]: TraceAbstraction took 21486.62 ms. Allocated memory was 235.9 MB in the beginning and 600.8 MB in the end (delta: 364.9 MB). Free memory was 201.3 MB in the beginning and 532.5 MB in the end (delta: -331.2 MB). Peak memory consumption was 454.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:07,721 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.34 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 171.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.05 ms. Allocated memory is still 203.4 MB. Free memory was 171.8 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.85 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 201.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21486.62 ms. Allocated memory was 235.9 MB in the beginning and 600.8 MB in the end (delta: 364.9 MB). Free memory was 201.3 MB in the beginning and 532.5 MB in the end (delta: -331.2 MB). Peak memory consumption was 454.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 <= systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(1 <= systemActive) || (\old(waterLevel) == waterLevel && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (2 <= waterLevel && splverifierCounter == 0)) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 413 SDtfs, 666 SDslu, 278 SDs, 0 SdLazy, 1255 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 744 HoareAnnotationTreeSize, 188 FomulaSimplifications, 27955 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 40 FomulaSimplificationsInter, 8058 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 99467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 19/26 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...