/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:37:37,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:37:37,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:37:37,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:37:37,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:37:37,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:37:37,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:37:37,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:37:37,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:37:37,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:37:37,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:37:37,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:37:37,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:37:37,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:37:37,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:37:37,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:37:37,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:37:37,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:37:37,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:37:37,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:37:37,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:37:37,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:37:37,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:37:37,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:37:37,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:37:37,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:37:37,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:37:37,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:37:37,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:37:37,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:37:37,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:37:37,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:37:37,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:37:37,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:37:37,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:37:37,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:37:37,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:37:37,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:37:37,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:37:37,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:37:37,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:37:37,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:37:37,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:37:37,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:37:37,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:37:37,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:37:37,904 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:37:37,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:37:37,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:37:37,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:37:37,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:37:37,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:37:37,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:37:37,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:37:37,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:37:37,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:37:37,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:37:37,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:37:37,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:37:37,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:37:37,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:37:37,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:37:37,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:37:37,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:37:37,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:37:37,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:37:38,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:37:38,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:37:38,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:37:38,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:37:38,375 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:37:38,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-11-06 21:37:38,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1baaf1b6e/e6c1504570aa44368348e3848c2d2780/FLAG42dc7d1a1 [2020-11-06 21:37:39,137 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:37:39,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-11-06 21:37:39,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1baaf1b6e/e6c1504570aa44368348e3848c2d2780/FLAG42dc7d1a1 [2020-11-06 21:37:39,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1baaf1b6e/e6c1504570aa44368348e3848c2d2780 [2020-11-06 21:37:39,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:37:39,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:37:39,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:37:39,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:37:39,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:37:39,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:39,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f58024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39, skipping insertion in model container [2020-11-06 21:37:39,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:39,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:37:39,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:37:39,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:37:39,816 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:37:39,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:37:39,993 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:37:39,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39 WrapperNode [2020-11-06 21:37:39,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:37:39,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:37:39,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:37:39,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:37:40,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... [2020-11-06 21:37:40,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:37:40,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:37:40,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:37:40,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:37:40,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:37:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:37:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:37:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:37:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:37:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:37:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:37:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:37:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:37:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:37:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:37:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-06 21:37:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 21:37:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 21:37:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:37:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:37:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:37:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:37:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:37:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:37:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:37:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:37:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:37:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:37:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:37:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:37:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:37:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:37:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:37:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:37:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:37:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:37:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:37:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:37:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:37:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:37:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-06 21:37:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:37:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-11-06 21:37:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:37:40,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:37:40,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:37:40,243 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:37:40,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:37:40,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:37:40,243 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:37:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:37:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:37:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:37:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:37:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:37:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:37:41,635 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:37:41,635 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:37:41,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:37:41 BoogieIcfgContainer [2020-11-06 21:37:41,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:37:41,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:37:41,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:37:41,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:37:41,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:37:39" (1/3) ... [2020-11-06 21:37:41,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6f9bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:37:41, skipping insertion in model container [2020-11-06 21:37:41,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:39" (2/3) ... [2020-11-06 21:37:41,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6f9bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:37:41, skipping insertion in model container [2020-11-06 21:37:41,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:37:41" (3/3) ... [2020-11-06 21:37:41,646 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-11-06 21:37:41,661 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:37:41,665 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:37:41,683 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:37:41,712 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:37:41,712 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:37:41,712 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:37:41,712 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:37:41,713 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:37:41,713 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:37:41,713 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:37:41,713 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:37:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-11-06 21:37:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-06 21:37:41,746 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:41,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:41,747 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:41,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:41,754 INFO L82 PathProgramCache]: Analyzing trace with hash 141090819, now seen corresponding path program 1 times [2020-11-06 21:37:41,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:41,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197383380] [2020-11-06 21:37:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,485 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-06 21:37:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:37:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:42,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197383380] [2020-11-06 21:37:42,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:42,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:37:42,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620791018] [2020-11-06 21:37:42,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:37:42,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:42,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:37:42,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:37:42,686 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 4 states. [2020-11-06 21:37:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:44,171 INFO L93 Difference]: Finished difference Result 308 states and 406 transitions. [2020-11-06 21:37:44,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:37:44,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-11-06 21:37:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:44,188 INFO L225 Difference]: With dead ends: 308 [2020-11-06 21:37:44,189 INFO L226 Difference]: Without dead ends: 171 [2020-11-06 21:37:44,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:37:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-06 21:37:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 135. [2020-11-06 21:37:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-06 21:37:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-11-06 21:37:44,301 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 52 [2020-11-06 21:37:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:44,302 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-11-06 21:37:44,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:37:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-11-06 21:37:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-06 21:37:44,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:44,306 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] [2020-11-06 21:37:44,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:37:44,307 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:44,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:44,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1253278566, now seen corresponding path program 1 times [2020-11-06 21:37:44,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:44,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090554452] [2020-11-06 21:37:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,722 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:37:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:37:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:44,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090554452] [2020-11-06 21:37:44,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:44,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:37:44,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600801308] [2020-11-06 21:37:44,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:37:44,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:44,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:37:44,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:37:44,841 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 5 states. [2020-11-06 21:37:45,570 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:37:46,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:46,661 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2020-11-06 21:37:46,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 21:37:46,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-11-06 21:37:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:46,667 INFO L225 Difference]: With dead ends: 240 [2020-11-06 21:37:46,671 INFO L226 Difference]: Without dead ends: 161 [2020-11-06 21:37:46,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:37:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-11-06 21:37:46,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 126. [2020-11-06 21:37:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-11-06 21:37:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-11-06 21:37:46,746 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 53 [2020-11-06 21:37:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:46,747 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-11-06 21:37:46,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:37:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-11-06 21:37:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-06 21:37:46,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:46,758 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] [2020-11-06 21:37:46,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:37:46,758 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1519182930, now seen corresponding path program 1 times [2020-11-06 21:37:46,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:46,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266013115] [2020-11-06 21:37:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,235 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:47,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:37:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:37:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:47,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266013115] [2020-11-06 21:37:47,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:47,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:37:47,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575700020] [2020-11-06 21:37:47,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:37:47,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:47,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:37:47,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:37:47,414 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 9 states. [2020-11-06 21:37:47,907 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:48,346 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:48,657 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:48,953 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:49,852 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:37:52,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:52,070 INFO L93 Difference]: Finished difference Result 431 states and 548 transitions. [2020-11-06 21:37:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:37:52,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-11-06 21:37:52,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:52,083 INFO L225 Difference]: With dead ends: 431 [2020-11-06 21:37:52,083 INFO L226 Difference]: Without dead ends: 333 [2020-11-06 21:37:52,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-11-06 21:37:52,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-11-06 21:37:52,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 262. [2020-11-06 21:37:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-06 21:37:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 321 transitions. [2020-11-06 21:37:52,218 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 321 transitions. Word has length 58 [2020-11-06 21:37:52,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:52,219 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 321 transitions. [2020-11-06 21:37:52,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:37:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 321 transitions. [2020-11-06 21:37:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-06 21:37:52,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:52,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:52,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:37:52,221 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:52,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:52,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1973549188, now seen corresponding path program 1 times [2020-11-06 21:37:52,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:52,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502317017] [2020-11-06 21:37:52,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,585 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:52,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:37:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:37:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-06 21:37:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:52,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502317017] [2020-11-06 21:37:52,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:52,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:37:52,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42128733] [2020-11-06 21:37:52,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:37:52,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:52,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:37:52,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:37:52,753 INFO L87 Difference]: Start difference. First operand 262 states and 321 transitions. Second operand 9 states. [2020-11-06 21:37:53,248 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:54,422 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:54,924 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:55,252 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:55,532 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:57,067 INFO L93 Difference]: Finished difference Result 842 states and 1130 transitions. [2020-11-06 21:37:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-06 21:37:57,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-11-06 21:37:57,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:57,074 INFO L225 Difference]: With dead ends: 842 [2020-11-06 21:37:57,074 INFO L226 Difference]: Without dead ends: 608 [2020-11-06 21:37:57,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:37:57,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-11-06 21:37:57,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 471. [2020-11-06 21:37:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-11-06 21:37:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 581 transitions. [2020-11-06 21:37:57,287 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 581 transitions. Word has length 63 [2020-11-06 21:37:57,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:57,288 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 581 transitions. [2020-11-06 21:37:57,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:37:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 581 transitions. [2020-11-06 21:37:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-06 21:37:57,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:57,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:57,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:37:57,295 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:57,295 INFO L82 PathProgramCache]: Analyzing trace with hash -787130456, now seen corresponding path program 1 times [2020-11-06 21:37:57,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:57,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750994398] [2020-11-06 21:37:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,648 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:57,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:37:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:37:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:37:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-06 21:37:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:57,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750994398] [2020-11-06 21:37:57,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:57,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 21:37:57,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930948232] [2020-11-06 21:37:57,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 21:37:57,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:57,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 21:37:57,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 21:37:57,777 INFO L87 Difference]: Start difference. First operand 471 states and 581 transitions. Second operand 10 states. [2020-11-06 21:37:58,289 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:59,448 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:59,749 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:00,042 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:00,421 INFO L93 Difference]: Finished difference Result 892 states and 1210 transitions. [2020-11-06 21:38:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 21:38:00,421 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2020-11-06 21:38:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:00,424 INFO L225 Difference]: With dead ends: 892 [2020-11-06 21:38:00,424 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:38:00,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-11-06 21:38:00,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:38:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:38:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:38:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:38:00,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-11-06 21:38:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:00,431 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:38:00,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 21:38:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:38:00,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:38:00,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:38:00,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:38:00,725 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 6 [2020-11-06 21:38:04,034 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 6 [2020-11-06 21:38:06,189 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2020-11-06 21:38:06,378 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:06,596 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2020-11-06 21:38:06,795 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-11-06 21:38:07,013 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2020-11-06 21:38:07,417 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2020-11-06 21:38:07,882 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-11-06 21:38:08,299 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 17 [2020-11-06 21:38:08,570 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:09,012 WARN L194 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2020-11-06 21:38:09,231 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-11-06 21:38:09,605 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-11-06 21:38:09,985 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2020-11-06 21:38:10,174 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:10,369 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:10,744 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2020-11-06 21:38:10,970 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:11,385 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2020-11-06 21:38:11,804 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-11-06 21:38:11,998 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-11-06 21:38:12,238 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:12,438 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:12,646 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-11-06 21:38:13,053 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2020-11-06 21:38:13,457 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2020-11-06 21:38:13,865 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 11 [2020-11-06 21:38:14,235 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2020-11-06 21:38:14,255 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 21:38:14,256 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 21:38:14,256 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 21:38:14,256 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 21:38:14,256 INFO L266 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point L701-1(lines 701 705) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point L695-2(lines 695 716) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 670 725) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point L717(lines 694 718) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 670 725) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 670 725) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 726 785) no Hoare annotation was computed. [2020-11-06 21:38:14,257 INFO L266 CegarLoopResult]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 726 785) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point L752-2(lines 752 777) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point L778(lines 751 779) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 726 785) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point L771-1(line 771) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 472 478) the Hoare annotation is: true [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 472 478) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 479 487) no Hoare annotation was computed. [2020-11-06 21:38:14,258 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 479 487) the Hoare annotation is: true [2020-11-06 21:38:14,259 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 479 487) no Hoare annotation was computed. [2020-11-06 21:38:14,259 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 430 452) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,259 INFO L262 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,259 INFO L262 CegarLoopResult]: At program point L442-1(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,259 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 430 452) no Hoare annotation was computed. [2020-11-06 21:38:14,260 INFO L266 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-11-06 21:38:14,260 INFO L266 CegarLoopResult]: For program point L440-1(lines 440 447) no Hoare annotation was computed. [2020-11-06 21:38:14,260 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 21:38:14,260 INFO L262 CegarLoopResult]: At program point L437(line 437) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,260 INFO L262 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,260 INFO L262 CegarLoopResult]: At program point L436-1(line 436) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,260 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 430 452) no Hoare annotation was computed. [2020-11-06 21:38:14,260 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 384 407) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 384 407) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 384 407) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-11-06 21:38:14,261 INFO L266 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-11-06 21:38:14,262 INFO L262 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,262 INFO L266 CegarLoopResult]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2020-11-06 21:38:14,263 INFO L262 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,263 INFO L262 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,263 INFO L266 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-11-06 21:38:14,263 INFO L262 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 170 194) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,263 INFO L262 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,263 INFO L266 CegarLoopResult]: For program point L176-1(line 176) no Hoare annotation was computed. [2020-11-06 21:38:14,263 INFO L266 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-11-06 21:38:14,263 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 170 194) no Hoare annotation was computed. [2020-11-06 21:38:14,263 INFO L266 CegarLoopResult]: For program point stopSystemEXIT(lines 329 343) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L262 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L262 CegarLoopResult]: At program point stopSystemENTRY(lines 329 343) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point stopSystemFINAL(lines 329 343) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 265 273) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 265 273) the Hoare annotation is: true [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 265 273) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L269 CegarLoopResult]: At program point L317(line 317) the Hoare annotation is: true [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point L319-2(lines 319 323) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point L317-1(line 317) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L269 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 310 328) the Hoare annotation is: true [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 310 328) no Hoare annotation was computed. [2020-11-06 21:38:14,264 INFO L266 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 310 328) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point L281-2(lines 281 289) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 274 309) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 274 309) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point L293(lines 293 301) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point L293-2(lines 293 301) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 274 309) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 465 471) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 465 471) the Hoare annotation is: true [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 624 669) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 624 669) no Hoare annotation was computed. [2020-11-06 21:38:14,265 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 624 669) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point L961(lines 961 962) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point L957(lines 957 964) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 937 982) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point L951(lines 951 971) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 961 962) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 968 969) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 937 982) no Hoare annotation was computed. [2020-11-06 21:38:14,266 INFO L266 CegarLoopResult]: For program point L968(lines 968 969) no Hoare annotation was computed. [2020-11-06 21:38:14,267 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 937 982) no Hoare annotation was computed. [2020-11-06 21:38:14,267 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 416 426) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,267 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 416 426) no Hoare annotation was computed. [2020-11-06 21:38:14,267 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 416 426) no Hoare annotation was computed. [2020-11-06 21:38:14,267 INFO L262 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,267 INFO L269 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 254 264) the Hoare annotation is: true [2020-11-06 21:38:14,267 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 254 264) no Hoare annotation was computed. [2020-11-06 21:38:14,267 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 254 264) no Hoare annotation was computed. [2020-11-06 21:38:14,268 INFO L269 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-11-06 21:38:14,268 INFO L266 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-11-06 21:38:14,268 INFO L269 CegarLoopResult]: At program point deactivatePumpENTRY(lines 246 253) the Hoare annotation is: true [2020-11-06 21:38:14,268 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 246 253) no Hoare annotation was computed. [2020-11-06 21:38:14,268 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 246 253) no Hoare annotation was computed. [2020-11-06 21:38:14,268 INFO L262 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,268 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 196 220) no Hoare annotation was computed. [2020-11-06 21:38:14,268 INFO L266 CegarLoopResult]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2020-11-06 21:38:14,268 INFO L262 CegarLoopResult]: At program point processEnvironmentENTRY(lines 196 220) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,268 INFO L262 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,269 INFO L262 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,269 INFO L266 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-11-06 21:38:14,269 INFO L262 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,269 INFO L266 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-11-06 21:38:14,269 INFO L266 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-11-06 21:38:14,269 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2020-11-06 21:38:14,269 INFO L269 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2020-11-06 21:38:14,269 INFO L266 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-11-06 21:38:14,269 INFO L262 CegarLoopResult]: At program point testENTRY(lines 57 124) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,270 INFO L262 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,270 INFO L266 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-11-06 21:38:14,270 INFO L266 CegarLoopResult]: For program point testFINAL(lines 57 124) no Hoare annotation was computed. [2020-11-06 21:38:14,270 INFO L266 CegarLoopResult]: For program point L87-1(lines 87 93) no Hoare annotation was computed. [2020-11-06 21:38:14,270 INFO L262 CegarLoopResult]: At program point L114(lines 67 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,270 INFO L262 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,270 INFO L266 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-06 21:38:14,270 INFO L266 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-11-06 21:38:14,270 INFO L266 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-11-06 21:38:14,271 INFO L262 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,271 INFO L262 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,271 INFO L266 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-11-06 21:38:14,271 INFO L262 CegarLoopResult]: At program point L105-1(lines 97 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,271 INFO L266 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-11-06 21:38:14,271 INFO L262 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,271 INFO L266 CegarLoopResult]: For program point testEXIT(lines 57 124) no Hoare annotation was computed. [2020-11-06 21:38:14,271 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 915 916) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 922 923) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point L922(lines 922 923) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 891 936) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 891 936) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point L915(lines 915 916) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 891 936) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point L911(lines 911 918) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point L905(lines 905 925) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point L905-1(lines 905 925) no Hoare annotation was computed. [2020-11-06 21:38:14,272 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 221 228) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 221 228) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 221 228) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 569 577) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L269 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 569 577) the Hoare annotation is: true [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 569 577) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L262 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point L600(lines 600 610) no Hoare annotation was computed. [2020-11-06 21:38:14,273 INFO L262 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-11-06 21:38:14,273 INFO L266 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point L596(lines 596 613) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point L596-1(lines 588 616) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L262 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 588 616) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 588 616) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-11-06 21:38:14,274 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 580 587) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 580 587) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 580 587) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 455 464) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 455 464) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 455 464) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 788 890) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point L812(lines 812 816) no Hoare annotation was computed. [2020-11-06 21:38:14,275 INFO L266 CegarLoopResult]: For program point L876(lines 876 887) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 788 890) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L837-2(lines 837 857) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L858(lines 836 859) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 788 890) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L817(lines 817 833) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L838(lines 837 857) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L869-1(line 869) no Hoare annotation was computed. [2020-11-06 21:38:14,276 INFO L266 CegarLoopResult]: For program point L834(lines 834 875) no Hoare annotation was computed. [2020-11-06 21:38:14,277 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,277 INFO L262 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#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~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 21:38:14,277 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,277 INFO L266 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-11-06 21:38:14,277 INFO L266 CegarLoopResult]: For program point L240-1(lines 229 245) no Hoare annotation was computed. [2020-11-06 21:38:14,277 INFO L266 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 229 245) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point L234-1(line 234) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point activatePumpENTRY(lines 229 245) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-11-06 21:38:14,278 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-11-06 21:38:14,279 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,279 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,279 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,279 INFO L262 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,279 INFO L262 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,279 INFO L262 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-11-06 21:38:14,279 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 138 161) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,279 INFO L266 CegarLoopResult]: For program point L142(lines 141 160) no Hoare annotation was computed. [2020-11-06 21:38:14,279 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2020-11-06 21:38:14,280 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2020-11-06 21:38:14,280 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 354 383) no Hoare annotation was computed. [2020-11-06 21:38:14,280 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 354 383) the Hoare annotation is: true [2020-11-06 21:38:14,280 INFO L269 CegarLoopResult]: At program point L379(lines 354 383) the Hoare annotation is: true [2020-11-06 21:38:14,280 INFO L266 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-11-06 21:38:14,280 INFO L266 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-11-06 21:38:14,280 INFO L269 CegarLoopResult]: At program point L368-1(lines 368 372) the Hoare annotation is: true [2020-11-06 21:38:14,280 INFO L266 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-11-06 21:38:14,280 INFO L269 CegarLoopResult]: At program point L364-2(lines 364 378) the Hoare annotation is: true [2020-11-06 21:38:14,280 INFO L269 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: true [2020-11-06 21:38:14,280 INFO L266 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-11-06 21:38:14,281 INFO L269 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-11-06 21:38:14,281 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-11-06 21:38:14,281 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-11-06 21:38:14,281 INFO L266 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-11-06 21:38:14,281 INFO L269 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2020-11-06 21:38:14,281 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-11-06 21:38:14,281 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 408 414) no Hoare annotation was computed. [2020-11-06 21:38:14,281 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 408 414) the Hoare annotation is: true [2020-11-06 21:38:14,281 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-06 21:38:14,282 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L262 CegarLoopResult]: At program point startSystemENTRY(lines 344 351) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2020-11-06 21:38:14,282 INFO L266 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-06 21:38:14,283 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2020-11-06 21:38:14,283 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2020-11-06 21:38:14,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:38:14 BoogieIcfgContainer [2020-11-06 21:38:14,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:38:14,302 INFO L168 Benchmark]: Toolchain (without parser) took 34910.36 ms. Allocated memory was 151.0 MB in the beginning and 544.2 MB in the end (delta: 393.2 MB). Free memory was 126.2 MB in the beginning and 437.8 MB in the end (delta: -311.7 MB). Peak memory consumption was 333.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,303 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 79.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:38:14,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.51 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 103.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,304 INFO L168 Benchmark]: Boogie Preprocessor took 121.79 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 99.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,305 INFO L168 Benchmark]: RCFGBuilder took 1520.53 ms. Allocated memory is still 151.0 MB. Free memory was 99.5 MB in the beginning and 128.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,306 INFO L168 Benchmark]: TraceAbstraction took 32660.09 ms. Allocated memory was 151.0 MB in the beginning and 544.2 MB in the end (delta: 393.2 MB). Free memory was 127.6 MB in the beginning and 437.8 MB in the end (delta: -310.2 MB). Peak memory consumption was 334.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,310 INFO L339 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 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 79.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 592.51 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 103.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.79 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 99.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1520.53 ms. Allocated memory is still 151.0 MB. Free memory was 99.5 MB in the beginning and 128.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32660.09 ms. Allocated memory was 151.0 MB in the beginning and 544.2 MB in the end (delta: 393.2 MB). Free memory was 127.6 MB in the beginning and 437.8 MB in the end (delta: -310.2 MB). Peak memory consumption was 334.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 915]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 573 SDtfs, 1093 SDslu, 630 SDs, 0 SdLazy, 2826 SolverSat, 861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=471occurred 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: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 279 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 689 PreInvPairs, 816 NumberOfFragments, 870 HoareAnnotationTreeSize, 689 FomulaSimplifications, 357170 FormulaSimplificationTreeSizeReduction, 5.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21119 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 90979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...